/* =========================================================================
   SLEEK DARK MODE & GLASSMORPHISM PREMIUM STYLING SYSTEM - v2.0
   Full ERP UI Overhaul - Phase 2
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-primary: #090d16;
    --bg-secondary: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.45);
    --bg-card-solid: #1e293b;
    --bg-sidebar: rgba(10, 15, 26, 0.92);
    --bg-topbar: rgba(10, 15, 26, 0.8);
    --bg-hover: rgba(255, 255, 255, 0.05);
    --bg-active: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #b0bec5;
    --text-muted: #64748b;
    --color-accent: #0d9488;         /* Teal */
    --color-accent-hover: #14b8a6;   /* Light Teal */
    --color-accent-glow: rgba(13, 148, 136, 0.25);
    --color-accent-soft: rgba(13, 148, 136, 0.12);
    --border-light: rgba(255, 255, 255, 0.08);
    --border-medium: rgba(255, 255, 255, 0.12);
    --border-focus: rgba(13, 148, 136, 0.5);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 15px var(--color-accent-glow);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Soft Pastel Status Tints */
    --status-success: #10b981;
    --status-success-bg: rgba(16, 185, 129, 0.15);
    --status-warning: #f59e0b;
    --status-warning-bg: rgba(245, 158, 11, 0.15);
    --status-danger: #ef4444;
    --status-danger-bg: rgba(239, 68, 68, 0.15);
    --status-info: #0ea5e9;
    --status-info-bg: rgba(14, 165, 233, 0.15);
    --status-purple: #a78bfa;
    --status-purple-bg: rgba(167, 139, 250, 0.15);
    --badge-text-color: #ffffff;
    --sidebar-sub-active-color: #ffffff;
    --sidebar-sub-color: #b9cedf;
}

/* ==========================================================================
   1. TYPOGRAPHY & GLOBAL SYSTEM
   ========================================================================== */
body {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    font-family: 'Inter', sans-serif !important;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, .card-title, .logo-header .logo {
    color: var(--text-primary) !important;
    font-family: 'Inter', sans-serif !important;
    font-weight: 600 !important;
    letter-spacing: -0.01em;
}

p, span, label, td, th, li, div {
    font-family: 'Inter', sans-serif !important;
}

.card-category {
    color: var(--text-secondary) !important;
    font-size: 0.8rem !important;
    font-weight: 500 !important;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.text-muted {
    color: var(--text-muted) !important;
}

.logo h3 {
    font-size: 1.2rem !important;
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #14b8a6, #0ea5e9) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
}

.logo h3 i {
    color: #14b8a6 !important;
    -webkit-text-fill-color: initial !important;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--color-accent-hover);
}

/* ==========================================================================
   2. CUSTOM SCROLLBAR
   ========================================================================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

/* ==========================================================================
   3. LAYOUT WRAPPER
   ========================================================================== */
.wrapper {
    background-color: var(--bg-primary) !important;
}

.main-panel {
    background-color: var(--bg-primary) !important;
    min-height: 100vh;
}

/* Page Content Fade-In */
.page-inner {
    animation: fadeInUp 0.4s ease-out;
}

/* ==========================================================================
   4. SIDEBAR GLASSMORPHISM
   ========================================================================== */
.sidebar {
    background: var(--bg-sidebar) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-light) !important;
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5) !important;
    transition: width var(--transition-smooth), transform var(--transition-smooth) !important;
}

.sidebar .sidebar-logo {
    border-bottom: 1px solid var(--border-light) !important;
    background: transparent !important;
}

.navbar-header,
.navbar-header[data-background-color] {
    background: #0a0f1a !important;
}

.logo-header,
.logo-header[data-background-color] {
    background: transparent !important;
    border-bottom: 1px solid var(--border-light) !important;
}

.sidebar .nav-item a {
    color: var(--text-secondary) !important;
    border-radius: var(--radius-sm);
    margin: 3px 12px !important;
    padding: 10px 15px !important;
    transition: all var(--transition-fast) !important;
    position: relative !important;
}

.sidebar .nav-item a i {
    color: var(--text-secondary) !important;
    font-size: 1.1rem !important;
    width: 25px;
    transition: color var(--transition-fast);
}

.sidebar .nav-item a:hover,
.sidebar .nav-item.active > a {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

.sidebar .nav-item a:hover i,
.sidebar .nav-item.active > a i {
    color: var(--color-accent) !important;
}

/* Disable default active menu indicator for all links first to prevent inheritance/leakage */
.sidebar .nav .nav-item a::before,
.sidebar .nav .nav-item.active a::before,
.sidebar .nav-collapse li a::before,
.sidebar .nav-collapse li.active a::before {
    display: none !important;
}

/* Enable active menu indicator ONLY for the direct active items */
.sidebar .nav .nav-item.active > a::before,
.sidebar .nav .nav-collapse li.active > a::before {
    display: block !important;
    content: '' !important;
    position: absolute !important;
    left: 0 !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 3px !important;
    height: 60% !important;
    background: var(--color-accent) !important;
    border-radius: 0 4px 4px 0 !important;
    opacity: 1 !important;
    z-index: 10 !important;
}

.sidebar .nav-section .text-section {
    color: var(--color-accent) !important;
    font-weight: 700 !important;
    font-size: 0.7rem !important;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-top: 15px !important;
    opacity: 0.8;
    padding-left: 15px !important;
}

/* Sidebar sub-items */
.sidebar .nav-collapse .sub-item {
    font-size: 0.88rem !important;
}

.sidebar .nav-collapse li a {
    padding: 8px 15px !important;
    margin: 1px 8px !important;
    position: relative !important;
}

/* ==========================================================================
   5. TOPBAR GLASSMORPHISM
   ========================================================================== */
.main-header {
    background: var(--bg-topbar) !important;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-light) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2) !important;
}

.navbar-header {
    background: transparent !important;
}

/* Topbar notification badge */
.topbar-icon .nav-link {
    position: relative;
    color: var(--text-secondary) !important;
    transition: color var(--transition-fast);
}

.topbar-icon .nav-link:hover {
    color: var(--text-primary) !important;
}

.topbar-icon .notification {
    background: var(--status-danger) !important;
    font-size: 0.65rem;
    min-width: 18px !important;
    height: 18px !important;
    border-radius: 50% !important; /* Force circular shape */
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    animation: pulseGlow 2s infinite;
    aspect-ratio: 1 / 1 !important;
}

/* Profile area */
.profile-username .op-7 {
    color: var(--text-muted) !important;
}
.profile-username .fw-bold {
    color: var(--text-primary) !important;
}

.avatar-img {
    border: 2px solid var(--border-light) !important;
    transition: border-color var(--transition-fast);
}
.avatar-img:hover {
    border-color: var(--color-accent) !important;
}

/* Nav Search Override */
.main-header .navbar-header .nav-search .input-group {
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
    padding: 6px 12px !important;
    border-radius: 4px !important;
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
}

.main-header .navbar-header .nav-search .input-group .form-control {
    background: rgba(255, 255, 255, 0.08) !important;
    border: none !important;
    color: #ffffff !important;
    border-radius: 20px !important;
    padding: 6px 16px !important;
    height: 32px !important;
    font-size: 0.85rem !important;
    transition: all var(--transition-normal) !important;
    width: 220px !important;
}

.main-header .navbar-header .nav-search .input-group .form-control::placeholder {
    color: rgba(255, 255, 255, 0.4) !important;
}
.main-header .navbar-header .nav-search .input-group .form-control::-webkit-input-placeholder {
    color: rgba(255, 255, 255, 0.4) !important;
}

.main-header .navbar-header .nav-search .input-group .form-control:focus {
    background: rgba(255, 255, 255, 0.12) !important;
    box-shadow: none !important;
    width: 260px !important;
}

.main-header .navbar-header .nav-search .input-group .input-group-append {
    display: flex !important;
    align-items: center !important;
}

.main-header .navbar-header .nav-search .input-group .btn-search {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    color: #ffffff !important;
    font-size: 0.95rem !important;
    cursor: pointer !important;
    position: static !important;
    transform: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.main-header .navbar-header .nav-search .input-group .btn-search:hover {
    color: var(--color-accent) !important;
    transform: scale(1.1) !important;
}

/* ==========================================================================
   6. CARDS (GLASSMORPHIC FLAT VIEW)
   ========================================================================== */
.card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-md) !important;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg) !important;
    border-color: var(--border-medium) !important;
}

.card-header {
    background: rgba(255, 255, 255, 0.02) !important;
    border-bottom: 1px solid var(--border-light) !important;
    padding: 1.25rem 1.5rem !important;
}

.card-body {
    padding: 1.5rem !important;
    color: var(--text-primary) !important;
}

.card-profile .card-body {
    padding-top: 5rem !important;
}

.card-footer {
    background: rgba(255, 255, 255, 0.02) !important;
    border-top: 1px solid var(--border-light) !important;
    padding: 1rem 1.5rem !important;
}

/* ==========================================================================
   7. STAT CARDS (KPI CARDS) - Dashboard Widgets
   ========================================================================== */
.card-stats.card-round {
    border-radius: var(--radius-lg) !important;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card-stats.card-round::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card-stats.card-round:hover::before {
    opacity: 1;
}

.card-stats.card-round:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4) !important;
}

.card-stats .card-body {
    padding: 1.25rem 1.5rem !important;
}

.card-stats .card-title {
    font-size: 1.75rem !important;
    font-weight: 700 !important;
    margin-bottom: 0 !important;
    line-height: 1.2;
}

/* Icon container */
.icon-big {
    width: 52px !important;
    height: 52px !important;
    border-radius: var(--radius-md) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 1.3rem !important;
    transition: transform var(--transition-normal);
}

.card-stats:hover .icon-big {
    transform: scale(1.1);
}

.icon-big.icon-success, .icon-big.icon-success i {
    background: var(--status-success-bg) !important;
    color: var(--status-success) !important;
}
.icon-big.icon-primary, .icon-big.icon-primary i {
    background: var(--status-info-bg) !important;
    color: var(--status-info) !important;
}
.icon-big.icon-warning, .icon-big.icon-warning i {
    background: var(--status-warning-bg) !important;
    color: var(--status-warning) !important;
}
.icon-big.icon-danger, .icon-big.icon-danger i {
    background: var(--status-danger-bg) !important;
    color: var(--status-danger) !important;
}
.icon-big.icon-info, .icon-big.icon-info i {
    background: var(--status-info-bg) !important;
    color: var(--status-info) !important;
}
.icon-big.icon-secondary, .icon-big.icon-secondary i {
    background: rgba(100, 116, 139, 0.15) !important;
    color: var(--text-muted) !important;
}

.bubble-shadow-small {
    box-shadow: none !important;
}

/* Trend indicators */
.card-stats .text-success {
    color: var(--status-success) !important;
}
.card-stats .text-danger {
    color: var(--status-danger) !important;
}
.card-stats .text-warning {
    color: var(--status-warning) !important;
}

/* ==========================================================================
   8. BORDERLESS TABLES
   ========================================================================== */
.table-responsive {
    border: none !important;
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.table {
    color: var(--text-primary) !important;
    border-collapse: collapse !important;
    width: 100% !important;
}

.table th {
    background: rgba(255, 255, 255, 0.03) !important;
    color: var(--color-accent) !important;
    font-weight: 600 !important;
    font-size: 0.8rem !important;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: none !important;
    padding: 12px 16px !important;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}

.table td {
    border: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04) !important;
    padding: 14px 16px !important;
    vertical-align: middle !important;
    color: var(--text-primary) !important;
    font-size: 0.9rem;
}

.table tbody tr,
.table tbody td,
table.dataTable tbody tr,
table.dataTable tbody td,
.task-row,
.task-row td {
    background-color: transparent !important;
    color: var(--text-primary) !important;
}

.table-striped tbody tr:nth-of-type(odd),
.table-striped tbody tr:nth-of-type(odd) td {
    background-color: rgba(255, 255, 255, 0.015) !important;
}

.table-hover tbody tr {
    transition: background-color var(--transition-fast);
}

.table-hover tbody tr:hover,
.table-hover tbody tr:hover td {
    background-color: rgba(255, 255, 255, 0.04) !important;
}

/* Table sort indicators */
.table th[data-sort] {
    cursor: pointer;
}
.table th[data-sort]:hover {
    color: var(--color-accent-hover) !important;
}

/* ==========================================================================
   9. PAGINATION
   ========================================================================== */
.pagination {
    gap: 4px;
}

.page-item .page-link {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-secondary) !important;
    border-radius: var(--radius-sm) !important;
    padding: 8px 14px !important;
    font-weight: 500;
    transition: all var(--transition-fast);
    min-width: 38px;
    text-align: center;
}

.page-item .page-link:hover {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-medium) !important;
}

.page-item.active .page-link {
    background: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
    color: #fff !important;
    box-shadow: var(--shadow-glow);
}

.page-item.disabled .page-link {
    opacity: 0.3;
    pointer-events: none;
}

/* ==========================================================================
   10. FORMS & GLOW INPUTS
   ========================================================================== */
.form-label, label {
    color: var(--text-secondary) !important;
    font-weight: 500 !important;
    font-size: 0.85rem !important;
    margin-bottom: 6px !important;
}

.form-control, .form-select, textarea.form-control {
    background-color: rgba(15, 23, 42, 0.5) !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius-sm) !important;
    padding: 10px 14px !important;
    font-size: 0.9rem !important;
    transition: all 0.2s ease-in-out !important;
}

.form-control:focus, .form-select:focus, textarea.form-control:focus {
    background-color: rgba(15, 23, 42, 0.8) !important;
    border-color: var(--border-focus) !important;
    box-shadow: 0 0 0 3px var(--color-accent-glow), 0 0 15px var(--color-accent-glow) !important;
    color: var(--text-primary) !important;
    outline: none !important;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.7;
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
    background-position: right 12px center !important;
    background-size: 14px 12px !important;
    padding-right: 40px !important;
}

/* Input Groups */
.input-group-text {
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-secondary) !important;
}

/* Checkbox & Radio */
.form-check-input {
    background-color: rgba(15, 23, 42, 0.5) !important;
    border: 1px solid var(--border-medium) !important;
}

.form-check-input:checked {
    background-color: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
}

.form-check-label {
    color: var(--text-primary) !important;
}

/* ==========================================================================
   11. BUTTONS
   ========================================================================== */
.btn {
    border-radius: 12px !important;
    font-weight: 600 !important;
    padding: 8px 18px !important;
    font-size: 0.85rem !important;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
    border: 1px solid transparent !important;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
}

.btn-round {
    border-radius: 20px !important;
}

.btn:active {
    transform: scale(0.95) translateY(0.5px) !important;
}

.btn-primary {
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.75), rgba(15, 118, 110, 0.75)) !important;
    color: #ffffff !important;
    border: 1px solid rgba(20, 184, 166, 0.25) !important;
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.15) !important;
    backdrop-filter: blur(4px);
}

.btn-primary:hover {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.85), rgba(13, 148, 136, 0.85)) !important;
    border-color: rgba(20, 184, 166, 0.45) !important;
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.35), 0 0 10px rgba(20, 184, 166, 0.2) !important;
    transform: translateY(-1.5px) !important;
    color: #ffffff !important;
}

.btn-success {
    background: linear-gradient(135deg, rgba(5, 150, 105, 0.75), rgba(4, 120, 87, 0.75)) !important;
    color: #ffffff !important;
    border: 1px solid rgba(16, 185, 129, 0.25) !important;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15) !important;
    backdrop-filter: blur(4px);
}
.btn-success:hover {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.85), rgba(5, 150, 105, 0.85)) !important;
    border-color: rgba(16, 185, 129, 0.45) !important;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35), 0 0 10px rgba(16, 185, 129, 0.2) !important;
    transform: translateY(-1.5px) !important;
    color: #ffffff !important;
}

.btn-danger {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.75), rgba(185, 28, 28, 0.75)) !important;
    color: #ffffff !important;
    border: 1px solid rgba(239, 68, 68, 0.25) !important;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.15) !important;
    backdrop-filter: blur(4px);
}
.btn-danger:hover {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.85), rgba(220, 38, 38, 0.85)) !important;
    border-color: rgba(239, 68, 68, 0.45) !important;
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35), 0 0 10px rgba(239, 68, 68, 0.2) !important;
    transform: translateY(-1.5px) !important;
    color: #ffffff !important;
}

.btn-warning {
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.75), rgba(180, 83, 9, 0.75)) !important;
    color: #ffffff !important;
    border: 1px solid rgba(245, 158, 11, 0.25) !important;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15) !important;
    backdrop-filter: blur(4px);
}
.btn-warning:hover {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.85), rgba(217, 119, 6, 0.85)) !important;
    border-color: rgba(245, 158, 11, 0.45) !important;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35), 0 0 10px rgba(245, 158, 11, 0.2) !important;
    transform: translateY(-1.5px) !important;
    color: #ffffff !important;
}

.btn-info {
    background: linear-gradient(135deg, rgba(2, 132, 199, 0.75), rgba(3, 105, 161, 0.75)) !important;
    color: #ffffff !important;
    border: 1px solid rgba(14, 165, 233, 0.25) !important;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.15) !important;
    backdrop-filter: blur(4px);
}
.btn-info:hover {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.85), rgba(2, 132, 199, 0.85)) !important;
    border-color: rgba(14, 165, 233, 0.45) !important;
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.35), 0 0 10px rgba(14, 165, 233, 0.2) !important;
    transform: translateY(-1.5px) !important;
    color: #ffffff !important;
}

.btn-secondary {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03)) !important;
    color: var(--text-primary) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    backdrop-filter: blur(4px);
}
.btn-secondary:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05)) !important;
    border-color: rgba(255, 255, 255, 0.15) !important;
    transform: translateY(-1.5px) !important;
}

.btn-light, .btn-link {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)) !important;
    color: var(--text-primary) !important;
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
    backdrop-filter: blur(4px);
}

.btn-light:hover, .btn-link:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04)) !important;
    border-color: rgba(255, 255, 255, 0.12) !important;
    transform: translateY(-1.5px) !important;
    color: var(--text-primary) !important;
}

.btn-outline-primary {
    background: transparent !important;
    color: var(--color-accent) !important;
    border: 1px solid var(--color-accent) !important;
}
.btn-outline-primary:hover {
    background: var(--color-accent-soft) !important;
    color: var(--color-accent-hover) !important;
    border-color: var(--color-accent-hover) !important;
    transform: translateY(-1.5px) !important;
}

/* Icon style inside buttons (Flat style) */
.btn i {
    margin-right: 6px;
    font-size: 0.95em;
    vertical-align: middle;
    transition: color 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* Button group - View toggle (List/Kanban) */
.btn-group-view-toggle .btn {
    padding: 8px 16px !important;
    font-size: 0.85rem !important;
}
.btn-group-view-toggle .btn.active {
    background: var(--color-accent) !important;
    color: #fff !important;
}

/* ==========================================================================
   12. BADGES (SOFT TINTS)
   ========================================================================== */
.badge {
    padding: 5px 10px !important;
    border-radius: 6px !important;
    font-weight: 500 !important;
    font-size: 0.75rem !important;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    border: 1px solid transparent;
}

.badge-success, .badge.bg-success {
    background-color: var(--status-success-bg) !important;
    color: var(--status-success) !important;
    border-color: rgba(16, 185, 129, 0.2) !important;
}

.badge-warning, .badge.bg-warning {
    background-color: var(--status-warning-bg) !important;
    color: var(--status-warning) !important;
    border-color: rgba(245, 158, 11, 0.2) !important;
}

.badge-danger, .badge.bg-danger {
    background-color: var(--status-danger-bg) !important;
    color: var(--status-danger) !important;
    border-color: rgba(239, 68, 68, 0.2) !important;
}

.badge-info, .badge.bg-info, .badge-primary, .badge.bg-primary {
    background-color: var(--status-info-bg) !important;
    color: var(--status-info) !important;
    border-color: rgba(14, 165, 233, 0.2) !important;
}

.badge-secondary, .badge.bg-secondary {
    background-color: rgba(100, 116, 139, 0.15) !important;
    color: var(--text-secondary) !important;
    border-color: rgba(100, 116, 139, 0.2) !important;
}

.badge.bg-dark {
    background-color: rgba(255, 255, 255, 0.08) !important;
    color: var(--text-primary) !important;
}

/* ==========================================================================
   13. DROPDOWN CUSTOM MENU
   ========================================================================== */
.dropdown-menu {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5) !important;
    padding: 6px !important;
    animation: fadeInDown 0.2s ease;
}

.dropdown-item {
    color: var(--text-secondary) !important;
    border-radius: var(--radius-sm) !important;
    padding: 10px 15px !important;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.dropdown-item:hover {
    background-color: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

.dropdown-item.active, .dropdown-item:active {
    background-color: var(--color-accent-soft) !important;
    color: var(--color-accent) !important;
}

.dropdown-divider {
    border-color: var(--border-light) !important;
}

/* Notification dropdown */
.notif-box {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-lg) !important;
    width: 360px !important;
}

.dropdown-title {
    color: var(--text-primary) !important;
    background: transparent !important;
    border-bottom: 1px solid var(--border-light) !important;
    font-weight: 600;
    padding: 15px 20px !important;
}

.notif-center a {
    border-bottom: 1px solid rgba(255, 255, 255, 0.03) !important;
    padding: 12px 16px !important;
    transition: background var(--transition-fast);
}

.notif-center a:hover {
    background: var(--bg-hover) !important;
}

.notif-content .block {
    color: var(--text-primary) !important;
    font-size: 0.85rem;
}

.notif-content .time {
    color: var(--text-muted) !important;
    font-size: 0.75rem;
}

.notif-icon {
    border-radius: var(--radius-sm) !important;
}

.see-all {
    color: var(--color-accent) !important;
    border-top: 1px solid var(--border-light) !important;
    padding: 12px !important;
    font-weight: 500;
}

/* User dropdown */
.dropdown-user {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-lg) !important;
    min-width: 240px !important;
}

.user-box {
    padding: 15px !important;
}

.user-box .u-text h4 {
    color: var(--text-primary) !important;
    font-size: 1rem !important;
}

.user-box .u-text p {
    color: var(--text-muted) !important;
}

/* ==========================================================================
   14. MODALS OVERRIDES
   ========================================================================== */
.modal-content {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6) !important;
}

.modal-header {
    border-bottom: 1px solid var(--border-light) !important;
    padding: 20px 24px !important;
}

.modal-header .modal-title {
    font-weight: 600;
    color: var(--text-primary) !important;
}

.modal-body {
    padding: 24px !important;
}

.modal-footer {
    border-top: 1px solid var(--border-light) !important;
    padding: 16px 24px !important;
}

.btn-close {
    filter: invert(1) grayscale(1) brightness(2);
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.btn-close:hover {
    opacity: 1;
}

.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.7) !important;
}

/* ==========================================================================
   15. ALERT MESSAGES
   ========================================================================== */
.alert {
    border-radius: var(--radius-md) !important;
    border: 1px solid transparent !important;
    padding: 15px 20px !important;
    font-weight: 500 !important;
    backdrop-filter: blur(10px);
}

.alert-success {
    background-color: var(--status-success-bg) !important;
    color: var(--status-success) !important;
    border-color: rgba(16, 185, 129, 0.2) !important;
}

.alert-warning {
    background-color: var(--status-warning-bg) !important;
    color: var(--status-warning) !important;
    border-color: rgba(245, 158, 11, 0.2) !important;
}

.alert-info {
    background-color: var(--status-info-bg) !important;
    color: var(--status-info) !important;
    border-color: rgba(14, 165, 233, 0.2) !important;
}

.alert-danger {
    background-color: var(--status-danger-bg) !important;
    color: var(--status-danger) !important;
    border-color: rgba(239, 68, 68, 0.2) !important;
}

/* ==========================================================================
   16. BREADCRUMBS & PAGE HEADER
   ========================================================================== */
.breadcrumbs {
    background: transparent !important;
    padding-left: 0 !important;
}

.breadcrumbs li a {
    color: var(--text-secondary) !important;
}

.breadcrumbs li a:hover {
    color: var(--color-accent) !important;
}

.breadcrumbs li.separator i {
    color: rgba(255,255,255,0.2) !important;
}

.page-header h3 {
    font-size: 1.6rem !important;
    font-weight: 700 !important;
}

.page-header .page-title {
    color: var(--text-primary) !important;
}

/* ==========================================================================
   17. TABS & NAV PILLS
   ========================================================================== */
/* Dashboard Tabs */
#dashboard-tabs.nav-pills {
    background: rgba(255, 255, 255, 0.03) !important;
    padding: 5px !important;
    border-radius: var(--radius-md) !important;
    border: 1px solid var(--border-light) !important;
    display: inline-flex !important;
    gap: 4px;
}

#dashboard-tabs .nav-link {
    background: transparent !important;
    color: var(--text-secondary) !important;
    border-radius: var(--radius-sm) !important;
    font-weight: 500 !important;
    padding: 8px 18px !important;
    transition: all var(--transition-normal) !important;
    border: none !important;
    font-size: 0.88rem !important;
}

#dashboard-tabs .nav-link:hover {
    color: var(--text-primary) !important;
    background: var(--bg-hover) !important;
}

#dashboard-tabs .nav-link.active {
    background: var(--color-accent) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 15px var(--color-accent-glow) !important;
}

/* Generic Nav Tabs */
.nav-tabs {
    border-bottom: 1px solid var(--border-light) !important;
}

.nav-tabs .nav-link {
    color: var(--text-secondary) !important;
    border: none !important;
    border-bottom: 2px solid transparent !important;
    padding: 10px 20px !important;
    font-weight: 500 !important;
    transition: all var(--transition-fast);
    background: transparent !important;
}

.nav-tabs .nav-link:hover {
    color: var(--text-primary) !important;
    border-bottom-color: rgba(255, 255, 255, 0.1) !important;
}

.nav-tabs .nav-link.active {
    color: var(--color-accent) !important;
    border-bottom-color: var(--color-accent) !important;
    background: transparent !important;
}

/* Nav Pills (generic) */
.nav-pills .nav-link {
    color: var(--text-secondary) !important;
    border-radius: var(--radius-sm) !important;
    padding: 8px 16px !important;
    transition: all var(--transition-fast);
}

.nav-pills .nav-link.active {
    background: var(--color-accent) !important;
    color: #fff !important;
}

/* ==========================================================================
   18. KANBAN BOARD
   ========================================================================== */
.kanban-board {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding: 8px 0;
    min-height: 400px;
}

.kanban-column {
    min-width: 300px;
    max-width: 320px;
    flex-shrink: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
}

.kanban-column-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    font-size: 0.9rem;
}

.kanban-column-header .badge {
    font-size: 0.7rem !important;
    padding: 3px 8px !important;
}

.kanban-column-body {
    padding: 12px;
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.kanban-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 14px;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.kanban-card:hover {
    border-color: var(--border-medium);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.kanban-card .kanban-card-title {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.kanban-card .kanban-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.kanban-card .kanban-card-meta .avatar-xs {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.kanban-card .priority-indicator {
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 3px;
    border-radius: 0 3px 3px 0;
}

.kanban-card .priority-indicator.priority-high { background: var(--status-danger); }
.kanban-card .priority-indicator.priority-medium { background: var(--status-warning); }
.kanban-card .priority-indicator.priority-low { background: var(--status-success); }

/* Kanban column color accents */
.kanban-column[data-status="pending"] .kanban-column-header { border-top: 3px solid var(--status-warning); border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.kanban-column[data-status="in_progress"] .kanban-column-header { border-top: 3px solid var(--status-info); border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.kanban-column[data-status="review"] .kanban-column-header { border-top: 3px solid var(--status-purple); border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.kanban-column[data-status="done"] .kanban-column-header { border-top: 3px solid var(--status-success); border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.kanban-column[data-status="cancelled"] .kanban-column-header { border-top: 3px solid var(--status-danger); border-radius: var(--radius-lg) var(--radius-lg) 0 0; }

/* ==========================================================================
   19. CALENDAR WIDGET
   ========================================================================== */
.erp-calendar {
    width: 100%;
    border-collapse: separate;
    border-spacing: 4px;
}

.erp-calendar th {
    text-align: center;
    padding: 10px 8px;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: transparent !important;
    border: none !important;
}

.erp-calendar td {
    text-align: center;
    padding: 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.88rem;
    position: relative;
    border: none !important;
    background: transparent !important;
    color: var(--text-primary) !important;
    vertical-align: top;
    height: 45px;
}

.erp-calendar td:hover {
    background: var(--bg-hover) !important;
}

.erp-calendar td.today {
    background: var(--color-accent-soft) !important;
    color: var(--color-accent) !important;
    font-weight: 700;
    border: 1px solid var(--color-accent) !important;
}

.erp-calendar td.has-event::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
}

.erp-calendar td.event-pending::after { background: var(--status-warning); }
.erp-calendar td.event-approved::after { background: var(--status-success); }
.erp-calendar td.event-rejected::after { background: var(--status-danger); }

.erp-calendar td.other-month {
    color: var(--text-muted) !important;
    opacity: 0.3;
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.calendar-header h5 {
    font-weight: 600;
    margin: 0;
}

.calendar-nav-btn {
    background: var(--bg-hover);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calendar-nav-btn:hover {
    background: var(--bg-active);
    color: var(--text-primary);
}

/* ==========================================================================
   20. CHAT MESSENGER LAYOUT
   ========================================================================== */
.chat-container {
    display: flex;
    height: calc(100vh - 180px);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    background: var(--bg-card);
}

/* Chat sidebar */
.chat-sidebar {
    width: 320px;
    min-width: 320px;
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    background: rgba(15, 23, 42, 0.4);
}

.chat-sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-light);
}

.chat-sidebar-header h5 {
    margin: 0 0 12px 0;
    font-weight: 600;
    font-size: 1.1rem;
}

.chat-sidebar-search .form-control {
    border-radius: 20px !important;
    padding: 8px 16px !important;
    font-size: 0.85rem !important;
}

.chat-sidebar-list {
    flex: 1;
    overflow-y: auto;
}

.chat-conversation-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    cursor: pointer;
    transition: background var(--transition-fast);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.chat-conversation-item:hover {
    background: var(--bg-hover);
}

.chat-conversation-item.active {
    background: var(--color-accent-soft);
    border-left: 3px solid var(--color-accent);
}

.chat-conversation-item .chat-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
}

.chat-conversation-item .chat-conv-info {
    flex: 1;
    min-width: 0;
}

.chat-conversation-item .chat-conv-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.chat-conversation-item .chat-conv-last-msg {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-conversation-item .chat-conv-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.chat-conversation-item .chat-unread-badge {
    background: var(--color-accent);
    color: #fff;
    font-size: 0.65rem;
    min-width: 20px;
    height: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Chat main area */
.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.chat-main-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(15, 23, 42, 0.3);
}

.chat-main-header .chat-header-name {
    font-weight: 600;
    font-size: 1rem;
}

.chat-main-header .chat-header-status {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-message {
    display: flex;
    gap: 8px;
    max-width: 75%;
}

.chat-message.sent {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-message .chat-bubble {
    padding: 10px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.5;
    position: relative;
}

.chat-message.received .chat-bubble {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.chat-message.sent .chat-bubble {
    background: linear-gradient(135deg, #0d9488, #0f766e);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chat-message .chat-time {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-align: right;
}

.chat-message.sent .chat-time {
    text-align: left;
}

/* Chat input */
.chat-input-area {
    padding: 16px 20px;
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(15, 23, 42, 0.3);
}

.chat-input-area .form-control {
    border-radius: 20px !important;
    padding: 10px 20px !important;
    flex: 1;
}

.chat-input-area .btn-send {
    width: 42px;
    height: 42px;
    border-radius: 50% !important;
    padding: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent) !important;
    color: #fff !important;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.chat-input-area .btn-send:hover {
    background: var(--color-accent-hover) !important;
    box-shadow: var(--shadow-glow);
    transform: scale(1.05);
}

/* ==========================================================================
   21. PROGRESS BARS
   ========================================================================== */
.progress {
    background: rgba(255, 255, 255, 0.06) !important;
    border-radius: 20px !important;
    height: 8px !important;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover)) !important;
    border-radius: 20px !important;
    transition: width 0.6s ease;
}

.progress-bar.bg-success { background: linear-gradient(90deg, #059669, #10b981) !important; }
.progress-bar.bg-warning { background: linear-gradient(90deg, #d97706, #f59e0b) !important; }
.progress-bar.bg-danger { background: linear-gradient(90deg, #dc2626, #ef4444) !important; }
.progress-bar.bg-info { background: linear-gradient(90deg, #0284c7, #0ea5e9) !important; }

/* ==========================================================================
   22. TOOLTIPS & POPOVERS
   ========================================================================== */
.tooltip-inner {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-light);
    color: var(--text-primary) !important;
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-size: 0.8rem;
    box-shadow: var(--shadow-sm);
}

.popover {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-md) !important;
}

.popover-header {
    background: rgba(255, 255, 255, 0.03) !important;
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--border-light) !important;
}

.popover-body {
    color: var(--text-primary) !important;
}

/* ==========================================================================
   23. SWEETALERT GLASS
   ========================================================================== */
.sweet-alert, .swal2-popup {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-lg) !important;
    color: var(--text-primary) !important;
}

.sweet-alert h2, .sweet-alert p,
.swal2-title, .swal2-html-container {
    color: var(--text-primary) !important;
}

.swal2-actions .swal2-confirm {
    background: linear-gradient(135deg, #0d9488, #0f766e) !important;
    border-radius: var(--radius-sm) !important;
}

/* ==========================================================================
   24. LISTS & LIST GROUPS
   ========================================================================== */
.list-group-item {
    background: transparent !important;
    border-color: var(--border-light) !important;
    color: var(--text-primary) !important;
    transition: background var(--transition-fast);
}

.list-group-item:hover {
    background: var(--bg-hover) !important;
}

.list-group-item.active {
    background: var(--color-accent-soft) !important;
    border-color: var(--color-accent) !important;
    color: var(--color-accent) !important;
}

/* ==========================================================================
   25. ACCORDION
   ========================================================================== */
.accordion-item {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-md) !important;
    margin-bottom: 8px;
}

.accordion-button {
    background: transparent !important;
    color: var(--text-primary) !important;
    font-weight: 500;
    box-shadow: none !important;
    padding: 16px 20px;
}

.accordion-button::after {
    filter: invert(1);
}

.accordion-button:not(.collapsed) {
    color: var(--color-accent) !important;
    border-bottom: 1px solid var(--border-light);
}

.accordion-body {
    color: var(--text-primary) !important;
    padding: 20px !important;
}

/* ==========================================================================
   26. IMPERSONATE MODE ALERT BAR
   ========================================================================== */
.bg-danger.text-white.text-center {
    background-color: rgba(220, 38, 38, 0.8) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(220, 38, 38, 0.2);
}

/* ==========================================================================
   27. FILTER BAR
   ========================================================================== */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.filter-bar .form-control,
.filter-bar .form-select {
    max-width: 200px;
    padding: 8px 12px !important;
    font-size: 0.85rem !important;
}

.filter-bar .btn {
    padding: 8px 16px !important;
    font-size: 0.85rem !important;
}

/* ==========================================================================
   28. DATA CARDS (for user profiles, project cards, etc.)
   ========================================================================== */
.data-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    transition: all var(--transition-normal);
}

.data-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-medium);
}

.data-card .data-card-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 12px;
    border: 3px solid var(--border-light);
}

.data-card .data-card-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.data-card .data-card-role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================================================
   29. TIMELINE / ACTIVITY FEED
   ========================================================================== */
.activity-feed {
    position: relative;
    padding-left: 30px;
}

.activity-feed::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-light);
}

.activity-item {
    position: relative;
    padding: 12px 0;
}

.activity-item::before {
    content: '';
    position: absolute;
    left: -25px;
    top: 16px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 2px solid var(--bg-primary);
    z-index: 1;
}

.activity-item .activity-content {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 12px 16px;
}

.activity-item .activity-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* ==========================================================================
   30. EMPTY STATES
   ========================================================================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-muted);
    opacity: 0.3;
    margin-bottom: 16px;
}

.empty-state h4 {
    color: var(--text-secondary) !important;
    font-weight: 600;
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   31. MICRO-ANIMATIONS
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(239, 68, 68, 0);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg,
        rgba(255, 255, 255, 0.03) 25%,
        rgba(255, 255, 255, 0.06) 50%,
        rgba(255, 255, 255, 0.03) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

/* Stagger animation for list items */
.stagger-item {
    animation: fadeInUp 0.4s ease-out both;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.3s; }

/* ==========================================================================
   32. RESPONSIVE DESIGN
   ========================================================================== */
/* Large Tablets */
@media (max-width: 1024px) {
    .kanban-board {
        gap: 12px;
    }
    .kanban-column {
        min-width: 260px;
    }
    .chat-sidebar {
        width: 280px;
        min-width: 280px;
    }
}

/* Tablets & Small Laptops */
@media (max-width: 991px) {
    .main-header .navbar-header {
        background: var(--bg-sidebar) !important;
    }

    .chat-container {
        height: calc(100vh - 160px);
    }

    .filter-bar .form-control,
    .filter-bar .form-select {
        max-width: 160px;
    }
}

/* Small Tablets */
@media (max-width: 768px) {
    .kanban-board {
        flex-direction: column;
    }
    .kanban-column {
        min-width: 100%;
        max-width: 100%;
    }

    .chat-container {
        flex-direction: column;
        height: auto;
    }
    .chat-sidebar {
        width: 100%;
        min-width: 100%;
        max-height: 300px;
        border-right: none;
        border-bottom: 1px solid var(--border-light);
    }
    .chat-main {
        min-height: 400px;
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .filter-bar .form-control,
    .filter-bar .form-select {
        max-width: 100%;
    }

    #dashboard-tabs.nav-pills {
        flex-wrap: nowrap !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .card-stats .card-title {
        font-size: 1.4rem !important;
    }

    .notif-box {
        width: 300px !important;
    }
}

/* Mobile Phones */
@media (max-width: 576px) {
    .page-inner {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }

    .card {
        border-radius: var(--radius-md) !important;
    }

    .card-body {
        padding: 1rem !important;
    }

    .card-stats .card-title {
        font-size: 1.2rem !important;
    }

    .table td, .table th {
        padding: 10px 8px !important;
        font-size: 0.8rem;
    }

    .btn {
        padding: 8px 14px !important;
        font-size: 0.85rem !important;
    }

    #dashboard-tabs .nav-link {
        padding: 6px 12px !important;
        font-size: 0.8rem !important;
    }

    .chat-sidebar {
        max-height: 250px;
    }

    .chat-message {
        max-width: 90%;
    }

    .modal-content {
        border-radius: var(--radius-lg) !important;
        margin: 8px;
    }

    .nav-pills, .nav-tabs {
        flex-wrap: nowrap !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .nav-pills::-webkit-scrollbar, .nav-tabs::-webkit-scrollbar {
        display: none;
    }
}

/* Extra Small */
@media (max-width: 320px) {
    .card-stats .card-body {
        padding: 0.75rem !important;
    }
    .icon-big {
        width: 40px !important;
        height: 40px !important;
        font-size: 1rem !important;
    }
}

/* ==========================================================================
   33. PRINT STYLES
   ========================================================================== */
@media print {
    body {
        background: #fff !important;
        color: #000 !important;
    }

    .sidebar, .main-header, .btn, .nav-pills, .nav-tabs,
    .chat-input-area, .filter-bar, .no-print {
        display: none !important;
    }

    .main-panel {
        margin: 0 !important;
        width: 100% !important;
    }

    .card {
        background: #fff !important;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
        break-inside: avoid;
    }

    .table th {
        background: #f5f5f5 !important;
        color: #333 !important;
    }

    .table td {
        color: #333 !important;
        border-bottom: 1px solid #eee !important;
    }

    .badge {
        border: 1px solid #999 !important;
    }

    a { color: #333 !important; text-decoration: none !important; }
}

/* ==========================================================================
   34. MISC UTILITIES
   ========================================================================== */
/* Text color overrides for dark mode */
.text-dark {
    color: var(--text-primary) !important;
}

.text-body {
    color: var(--text-primary) !important;
}

.text-primary {
    color: var(--color-accent) !important;
}

.bg-white, .bg-light {
    background-color: var(--bg-card) !important;
}

/* Border overrides */
.border {
    border-color: var(--border-light) !important;
}

.border-top, .border-bottom, .border-start, .border-end {
    border-color: var(--border-light) !important;
}

/* DataTables override */
.dataTables_wrapper {
    color: var(--text-primary) !important;
}

.dataTables_length label,
.dataTables_filter label,
.dataTables_info {
    color: var(--text-secondary) !important;
}

.dataTables_length select,
.dataTables_filter input {
    background: rgba(15, 23, 42, 0.5) !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius-sm) !important;
    padding: 6px 12px !important;
}

.dataTables_paginate .paginate_button {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-secondary) !important;
    border-radius: var(--radius-sm) !important;
    margin: 0 2px;
}

.dataTables_paginate .paginate_button:hover {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-medium) !important;
}

.dataTables_paginate .paginate_button.current {
    background: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
    color: #fff !important;
}

/* Select2 override for dark mode */
.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
    background-color: rgba(15, 23, 42, 0.5) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-sm) !important;
    color: var(--text-primary) !important;
    min-height: 40px !important;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--text-primary) !important;
}

.select2-dropdown {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-sm) !important;
}

.select2-results__option {
    color: var(--text-primary) !important;
    padding: 8px 14px !important;
}

.select2-results__option--highlighted[aria-selected] {
    background-color: var(--color-accent-soft) !important;
    color: var(--color-accent) !important;
}

.select2-search--dropdown .select2-search__field {
    background: rgba(15, 23, 42, 0.5) !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-primary) !important;
}

/* Select2 Multiple Choice Tags (Chips) overrides for dark theme */
.select2-container--default .select2-selection--multiple .select2-selection__choice {
    background-color: rgba(13, 148, 136, 0.2) !important;
    border: 1px solid rgba(13, 148, 136, 0.4) !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius-sm) !important;
    padding: 3px 10px 3px 6px !important;
    margin: 5px 5px 0 0 !important;
    display: inline-flex !important;
    align-items: center !important;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove {
    color: #f87171 !important;
    border: none !important;
    border-right: 1px solid rgba(255, 255, 255, 0.15) !important;
    margin-right: 8px !important;
    padding: 0 8px 0 0 !important;
    background: transparent !important;
    font-weight: bold !important;
    transition: color var(--transition-fast) !important;
}

.select2-container--default .select2-selection--multiple .select2-selection__choice__remove:hover {
    color: #ef4444 !important;
    background: transparent !important;
}

/* Fix input field position and style in select2 multiple selection */
.select2-container--default .select2-selection--multiple .select2-search--inline .select2-search__field {
    color: var(--text-primary) !important;
    margin-top: 5px !important;
    background: transparent !important;
    border: none !important;
}

/* Flatpickr (Date picker) override */
.flatpickr-calendar {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-lg) !important;
}

.flatpickr-months .flatpickr-month {
    background: transparent !important;
    color: var(--text-primary) !important;
}

.flatpickr-day {
    color: var(--text-primary) !important;
}

.flatpickr-day.selected {
    background: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
}

.flatpickr-day:hover {
    background: var(--bg-hover) !important;
}

/* Scrollbar for sidebar */
.scrollbar-inner > .scroll-element {
    background: transparent !important;
}

.scrollbar-inner > .scroll-element .scroll-bar {
    background: rgba(255, 255, 255, 0.15) !important;
    border-radius: 3px;
}

/* ==========================================================================
   35. INPUTS, BUTTONS & ACCENTS TEAL THEME OVERRIDES
   ========================================================================== */
.form-control,
.form-select {
    background-color: rgba(15, 23, 42, 0.45) !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-primary) !important;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-accent) !important;
    background-color: rgba(15, 23, 42, 0.6) !important;
    color: var(--text-primary) !important;
    box-shadow: var(--shadow-glow) !important;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
}

/* Override select option background */
.form-select option {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

/* Button primary overrides to match Teal accent */
.btn-primary {
    background-color: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
    color: #fff !important;
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.3) !important;
    transition: all var(--transition-fast) !important;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: var(--color-accent-hover) !important;
    border-color: var(--color-accent-hover) !important;
    box-shadow: 0 6px 20px rgba(20, 184, 166, 0.4) !important;
}

/* Button outline primary overrides */
.btn-outline-primary {
    color: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
    background: transparent !important;
    transition: all var(--transition-fast) !important;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn-outline-primary:active {
    color: #fff !important;
    background-color: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.3) !important;
}

/* Primary border helper overrides */
.border-primary {
    border-color: var(--color-accent) !important;
}

/* Dark utility class definition */
.bg-dark-light {
    background-color: rgba(30, 41, 59, 0.6) !important;
}

/* ==========================================================================
   36. COMMENTS CHAT & POLL OVERRIDES FOR DARK MODE
   ========================================================================== */
/* Chat Comment Bubble */
.cmt-content-box {
    background-color: var(--bg-card-solid) !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-primary) !important;
}

/* My Comment Bubble (Teal transparent glow) */
.cmt-content-box.cmt-me {
    background-color: rgba(13, 148, 136, 0.25) !important;
    border: 1px solid rgba(13, 148, 136, 0.45) !important;
    color: var(--text-primary) !important;
}

/* Poll Container */
.poll-container {
    border-color: rgba(13, 148, 136, 0.5) !important;
    background-color: var(--bg-card-solid) !important;
}

.poll-header {
    background-color: rgba(13, 148, 136, 0.15) !important;
    border-bottom: 1px solid var(--border-light) !important;
}

.poll-body {
    background-color: transparent !important;
    color: var(--text-primary) !important;
}

.poll-voter-badge {
    background-color: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-secondary) !important;
}

/* ==========================================================================
   37. FORM CHECKBOXES, RADIOS & SWITCHES OVERRIDES
   ========================================================================== */
.form-check-input {
    background-color: rgba(30, 41, 59, 0.5) !important;
    border: 1.5px solid rgba(255, 255, 255, 0.25) !important;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.form-check-input:focus {
    border-color: var(--color-accent) !important;
    box-shadow: var(--shadow-glow) !important;
}

.form-check-input:checked {
    background-color: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
}

/* Specific to Switches for better visibility when unchecked */
.form-switch .form-check-input {
    background-color: #2e384d !important;
    border: 1px solid #475569 !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='%2370a3ff'/%3E%3C/svg%3E") !important;
    width: 2.2em !important;
    height: 1.2em !important;
    cursor: pointer;
}

.form-switch .form-check-input:checked {
    background-color: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='%23ffffff'/%3E%3C/svg%3E") !important;
}

/* ==========================================================================
   14. CONTRAST OPTIMIZATION FOR WAITING/LOCKED TASKS (LÀM MỜ VẪN RÕ CHỮ)
   ========================================================================== */
.task-row.task-waiting,
.task-card.task-waiting {
    opacity: 0.72 !important; /* Brighter opacity for readability (0.5 is too dark) */
}

/* Brighten the task title in waiting rows */
.task-row.task-waiting span.text-muted,
.task-row.task-waiting td span.text-muted {
    color: #cbd5e1 !important; /* High contrast bright gray */
    font-weight: 600;
}

/* Override default secondary badge color system globally for better contrast */
.badge-secondary, 
.badge.bg-secondary {
    background-color: rgba(148, 163, 184, 0.22) !important;
    color: #e2e8f0 !important; /* Crisp light gray text */
    border: 1px solid rgba(148, 163, 184, 0.35) !important;
}

/* Further boost secondary badge contrast inside waiting elements */
.task-waiting .badge-secondary,
.task-waiting .badge.bg-secondary {
    background-color: rgba(148, 163, 184, 0.35) !important;
    color: #ffffff !important; /* Pure white text for supreme legibility */
    border-color: rgba(148, 163, 184, 0.5) !important;
}

/* Muted metadata labels inside waiting elements */
.task-waiting .text-muted:not(.badge) {
    color: #cbd5e1 !important;
}

/* ==========================================================================
   15. CONTRAST & VISIBILITY ENHANCEMENTS FOR SYSTEM LINKS & TEXTS
   ========================================================================== */

/* Elevate contrast of table header labels */
.table th {
    color: var(--color-accent-hover) !important; /* #14b8a6 - bright teal for clear scannability */
}

/* Make task titles and link tags in tables brighter for optimal contrast */
.task-row td a {
    color: #14b8a6 !important; /* Soft bright teal */
}

.task-row td a:hover {
    color: #2dd4bf !important; /* Vivid cyan on hover */
    text-decoration: underline !important;
}

/* Prevent buttons inside task tables from inheriting the link text colors and hover underlines */
.task-row td a.btn,
.task-row td a.btn:hover,
[data-theme="light"] .task-row td a.btn,
[data-theme="light"] .task-row td a.btn:hover {
    text-decoration: none !important;
}

.task-row td a.btn-primary,
.task-row td a.btn-info,
.task-row td a.btn-success,
.task-row td a.btn-danger,
.task-row td a.btn-warning,
.task-row td a.btn-primary:hover,
.task-row td a.btn-info:hover,
.task-row td a.btn-success:hover,
.task-row td a.btn-danger:hover,
.task-row td a.btn-warning:hover,
[data-theme="light"] .task-row td a.btn-primary,
[data-theme="light"] .task-row td a.btn-info,
[data-theme="light"] .task-row td a.btn-success,
[data-theme="light"] .task-row td a.btn-danger,
[data-theme="light"] .task-row td a.btn-warning,
[data-theme="light"] .task-row td a.btn-primary:hover,
[data-theme="light"] .task-row td a.btn-info:hover,
[data-theme="light"] .task-row td a.btn-success:hover,
[data-theme="light"] .task-row td a.btn-danger:hover,
[data-theme="light"] .task-row td a.btn-warning:hover {
    color: #ffffff !important;
}

/* Keep warning and priority badges inside waiting tasks clearly legible */
.task-waiting .badge-danger,
.task-waiting .badge.bg-danger {
    color: #fee2e2 !important; /* Soft white-red */
    background-color: rgba(239, 68, 68, 0.25) !important;
}
.task-waiting .badge-warning,
.task-waiting .badge.bg-warning {
    color: #fef3c7 !important; /* Soft white-yellow */
    background-color: rgba(245, 158, 11, 0.25) !important;
}
.task-waiting .badge-info,
.task-waiting .badge.bg-info {
    color: #e0f2fe !important; /* Soft white-blue */
    background-color: rgba(14, 165, 233, 0.25) !important;
}

/* Boost system standard utility classes color contrast */
.text-danger {
    color: var(--status-danger) !important; /* #ef4444 - vibrant red */
}
.text-warning {
    color: var(--status-warning) !important; /* #f59e0b - vibrant orange-yellow */
}
.text-success {
    color: var(--status-success) !important; /* #10b981 - vibrant green */
}
.text-info {
    color: var(--status-info) !important; /* #0ea5e9 - vibrant sky blue */
}

/* ==========================================================================
   16. LOGO & NAV-TOGGLE OVERLAP BUG FIX
   ========================================================================== */
.logo-header .logo {
    max-width: 155px !important;
}
.logo-header .logo img.navbar-brand {
    max-width: 100% !important;
    height: auto !important;
    max-height: 32px !important;
    object-fit: contain !important;
}

/* ==========================================================================
   17. PREMIUM DASHBOARD OVERHAUL & ANIMATIONS
   ========================================================================== */
.card-stats, .card-round, .card {
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s ease !important;
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
    background: rgba(30, 41, 59, 0.4) !important;
    backdrop-filter: blur(12px) !important;
    border-radius: 0px !important;
}
.card-stats:hover, .card-round:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35) !important;
    border-color: rgba(26, 188, 156, 0.2) !important;
}
.progress {
    background-color: rgba(255, 255, 255, 0.08) !important;
    border-radius: 0px !important;
    overflow: hidden;
}
.progress-bar {
    border-radius: 0px !important;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* ==========================================================================
   18. GLOBAL SQUARE-CORNER THEME OVERRIDE
   ========================================================================== */
:root {
    --radius-sm: 0px !important;
    --radius-md: 0px !important;
    --radius-lg: 0px !important;
    --radius-xl: 0px !important;
    --bs-border-radius: 0px !important;
    --bs-border-radius-sm: 0px !important;
    --bs-border-radius-lg: 0px !important;
    --bs-border-radius-xl: 0px !important;
    --bs-border-radius-xxl: 0px !important;
    --bs-border-radius-pill: 0px !important;
}

*, 
*::before, 
*::after,
.card,
.card-round,
.card-stats,
.kanban-item,
.task-card,
.kanban-board-header,
.kanban-column,
.btn,
.badge,
.form-control,
.form-select,
.avatar,
.avatar-group img,
.avatar-img,
.rounded-circle,
.rounded-pill,
.progress,
.progress-bar,
.modal-content,
.modal-body,
.dropdown-menu,
.nav-link,
.nav-pills .nav-link,
.alert,
.alert-warning,
.img-thumbnail,
.room-item,
.login-card {
    border-radius: 0px !important;
}

/* ==========================================================================
   19. LIGHT MODE THEME
   Complete dual-theme system. Toggle via data-theme="light" on <html>.
   ==========================================================================/* --- Light Mode CSS Variables --- */
[data-theme="light"] {
    --bg-primary: #f4f4f5;                /* Xám ấm dịu nhẹ */
    --bg-secondary: #e4e4e7;
    --bg-card: #ffffff;                   /* Trắng tinh nổi bật */
    --bg-card-solid: #ffffff;
    --bg-sidebar: #1e293b;                /* Xám Slate đậm quý phái */
    --bg-topbar: #ffffff;                 /* Topbar trắng tinh */
    --bg-hover: rgba(255, 255, 255, 0.05); /* Hover trong sidebar tối */
    --bg-active: rgba(255, 255, 255, 0.08);
    --bg-hover-light: rgba(13, 148, 136, 0.06); /* Hover trong phần nội dung sáng */
    --text-primary: #0f172a;              /* Chữ chính */
    --text-secondary: #475569;            /* Chữ phụ */
    --text-muted: #71717a;
    --color-accent: #0d9488;              /* Teal thương hiệu */
    --color-accent-hover: #0f766e;
    --color-accent-glow: rgba(13, 148, 136, 0.15);
    --color-accent-soft: rgba(13, 148, 136, 0.06);
    --border-light: rgba(0, 0, 0, 0.06);   /* Viền siêu nhẹ */
    --border-medium: rgba(0, 0, 0, 0.1);
    --border-focus: rgba(13, 148, 136, 0.3);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03), 0 1px 1px rgba(0, 0, 0, 0.01);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.01);
    --shadow-glow: 0 0 12px rgba(13, 148, 136, 0.1);

    --status-success: #059669;
    --status-success-bg: rgba(5, 150, 105, 0.1);
    --status-warning: #d97706;
    --status-warning-bg: rgba(217, 119, 6, 0.1);
    --status-danger: #dc2626;
    --status-danger-bg: rgba(220, 38, 38, 0.08);
    --status-info: #0284c7;
    --status-info-bg: rgba(2, 132, 199, 0.08);
    --status-purple: #7c3aed;
    --status-purple-bg: rgba(124, 58, 237, 0.08);
    --badge-text-color: #ffffff;
    --sidebar-sub-active-color: #2dd4bf;   /* Màu xanh ngọc sáng khi active ở sidebar tối */
    --sidebar-sub-color: #94a3b8;          /* Màu xám sáng cho subnav ở sidebar tối */
}

/* --- Light Mode Body & Wrapper --- */
[data-theme="light"] body {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .wrapper {
    background-color: var(--bg-primary) !important;
}

[data-theme="light"] .main-panel {
    background-color: var(--bg-primary) !important;
}

/* --- Light Mode Sidebar (Slate Dark) --- */
[data-theme="light"] .sidebar,
[data-theme="light"] .sidebar[data-background-color] {
    background: var(--bg-sidebar) !important;
    border-right: 1px solid rgba(255, 255, 255, 0.05) !important;
    box-shadow: 4px 0 15px rgba(0, 0, 0, 0.05) !important;
}

[data-theme="light"] .sidebar .sidebar-logo,
[data-theme="light"] .logo-header,
[data-theme="light"] .logo-header[data-background-color] {
    background: transparent !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
}

[data-theme="light"] .navbar-header,
[data-theme="light"] .navbar-header[data-background-color] {
    background: var(--bg-topbar) !important;
    border-bottom: 1px solid var(--border-light) !important;
}

[data-theme="light"] .sidebar .nav > .nav-item a,
[data-theme="light"] .sidebar[data-background-color] .nav > .nav-item a {
    color: #cbd5e1 !important; /* Chữ màu sáng ấm trên nền tối */
}

[data-theme="light"] .sidebar .nav > .nav-item a p,
[data-theme="light"] .sidebar[data-background-color] .nav > .nav-item a p {
    color: #cbd5e1 !important;
}

[data-theme="light"] .sidebar .nav > .nav-item a i,
[data-theme="light"] .sidebar[data-background-color] .nav > .nav-item a i {
    color: #94a3b8 !important;
}

[data-theme="light"] .sidebar .nav > .nav-item a:hover,
[data-theme="light"] .sidebar .nav > .nav-item.active > a,
[data-theme="light"] .sidebar[data-background-color] .nav > .nav-item a:hover,
[data-theme="light"] .sidebar[data-background-color] .nav > .nav-item.active > a,
[data-theme="light"] .sidebar[data-background-color] .nav > .nav-item.submenu.active > a {
    background: var(--bg-hover) !important;
    color: #2dd4bf !important; /* Màu xanh ngọc Teal sáng */
}

[data-theme="light"] .sidebar .nav > .nav-item a:hover p,
[data-theme="light"] .sidebar .nav > .nav-item.active > a p,
[data-theme="light"] .sidebar[data-background-color] .nav > .nav-item a:hover p,
[data-theme="light"] .sidebar[data-background-color] .nav > .nav-item.active > a p,
[data-theme="light"] .sidebar[data-background-color] .nav > .nav-item.submenu.active > a p {
    color: #2dd4bf !important;
    font-weight: 600 !important;
}

[data-theme="light"] .sidebar .nav > .nav-item a:hover i,
[data-theme="light"] .sidebar .nav > .nav-item.active > a i,
[data-theme="light"] .sidebar[data-background-color] .nav > .nav-item a:hover i,
[data-theme="light"] .sidebar[data-background-color] .nav > .nav-item.active > a i,
[data-theme="light"] .sidebar[data-background-color] .nav > .nav-item.submenu.active > a i {
    color: #2dd4bf !important;
}

[data-theme="light"] .sidebar .nav .nav-collapse li a,
[data-theme="light"] .sidebar[data-background-color] .nav .nav-collapse li a {
    color: #94a3b8 !important;
}

[data-theme="light"] .sidebar .nav .nav-collapse li a:hover,
[data-theme="light"] .sidebar .nav .nav-collapse li.active > a,
[data-theme="light"] .sidebar[data-background-color] .nav .nav-collapse li a:hover,
[data-theme="light"] .sidebar[data-background-color] .nav .nav-collapse li.active > a {
    color: #2dd4bf !important;
    background: var(--bg-hover) !important;
}

[data-theme="light"] .sidebar .nav .nav-collapse li a:hover span,
[data-theme="light"] .sidebar .nav .nav-collapse li.active > a span,
[data-theme="light"] .sidebar[data-background-color] .nav .nav-collapse li a:hover span,
[data-theme="light"] .sidebar[data-background-color] .nav .nav-collapse li.active > a span {
    color: #2dd4bf !important;
    font-weight: 600 !important;
}

[data-theme="light"] .sidebar .nav-section .text-section,
[data-theme="light"] .sidebar[data-background-color] .nav-section .text-section {
    color: #14b8a6 !important; /* Xanh ngọc nổi bật */
    font-weight: 700 !important;
}

[data-theme="light"] .logo h3 {
    background: linear-gradient(135deg, #2dd4bf, #0ea5e9) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
}

/* --- Light Mode Topbar --- */
[data-theme="light"] .main-header {
    background: var(--bg-topbar) !important;
    border-bottom: 1px solid var(--border-light) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02) !important;
}rtant;
}

[data-theme="light"] .navbar-header {
    background: transparent !important;
}

[data-theme="light"] .topbar-icon .nav-link,
[data-theme="light"] .topbar-icon .nav-link i {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .topbar-icon .nav-link:hover,
[data-theme="light"] .topbar-icon .nav-link:hover i {
    color: var(--text-primary) !important;
}

[data-theme="light"] .profile-username .fw-bold {
    color: var(--text-primary) !important;
}

[data-theme="light"] .profile-username .op-7 {
    color: var(--text-muted) !important;
}

/* --- Light Mode Cards --- */
[data-theme="light"] .card,
[data-theme="light"] .card-stats,
[data-theme="light"] .card-round {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-light) !important;
    box-shadow: var(--shadow-sm) !important;
    backdrop-filter: none !important;
}

[data-theme="light"] .card:hover,
[data-theme="light"] .card-stats:hover,
[data-theme="light"] .card-round:hover {
    box-shadow: var(--shadow-md) !important;
    border-color: var(--border-medium) !important;
}

[data-theme="light"] .card-header {
    background: rgba(0, 0, 0, 0.015) !important;
    border-bottom: 1px solid var(--border-light) !important;
}

[data-theme="light"] .card-footer {
    background: rgba(0, 0, 0, 0.015) !important;
    border-top: 1px solid var(--border-light) !important;
}

/* --- Light Mode Headings & Text --- */
[data-theme="light"] h1,
[data-theme="light"] h2,
[data-theme="light"] h3,
[data-theme="light"] h4,
[data-theme="light"] h5,
[data-theme="light"] h6,
[data-theme="light"] .card-title,
[data-theme="light"] .logo-header .logo {
    color: var(--text-primary) !important;
}

[data-theme="light"] .card-category {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .text-muted {
    color: var(--text-muted) !important;
}

[data-theme="light"] .text-dark {
    color: var(--text-primary) !important;
}

[data-theme="light"] .text-body {
    color: var(--text-primary) !important;
}

/* --- Light Mode Forms --- */
[data-theme="light"] .form-control,
[data-theme="light"] .form-select,
[data-theme="light"] textarea.form-control {
    background-color: #ffffff !important;
    border: 1px solid var(--border-medium) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .form-control:focus,
[data-theme="light"] .form-select:focus,
[data-theme="light"] textarea.form-control:focus {
    background-color: #ffffff !important;
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 0 3px var(--color-accent-glow) !important;
}

[data-theme="light"] .form-control::placeholder {
    color: #94a3b8 !important;
}

[data-theme="light"] .input-group-text {
    background: #f8fafc !important;
    border: 1px solid var(--border-medium) !important;
    color: var(--text-secondary) !important;
}

[data-theme="light"] .form-select option {
    background-color: #ffffff !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .form-label,
[data-theme="light"] label {
    color: var(--text-secondary) !important;
}

/* --- Light Mode Form Checks & Switches --- */
[data-theme="light"] .form-check-input {
    background-color: #ffffff !important;
    border: 1.5px solid var(--border-medium) !important;
}

[data-theme="light"] .form-check-input:checked {
    background-color: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
}

[data-theme="light"] .form-switch .form-check-input {
    background-color: #cbd5e1 !important;
    border: 1px solid #94a3b8 !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='%23ffffff'/%3E%3C/svg%3E") !important;
}

[data-theme="light"] .form-switch .form-check-input:checked {
    background-color: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
}

[data-theme="light"] .form-check-label {
    color: var(--text-primary) !important;
}

/* --- Light Mode Buttons --- */
[data-theme="light"] .btn-secondary {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.02)) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-medium) !important;
}

[data-theme="light"] .btn-secondary:hover {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.04)) !important;
    border-color: var(--border-medium) !important;
}

[data-theme="light"] .btn-light,
[data-theme="light"] .btn-link {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.01)) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-light) !important;
}

[data-theme="light"] .btn-light:hover,
[data-theme="light"] .btn-link:hover {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.06), rgba(0, 0, 0, 0.03)) !important;
    border-color: var(--border-medium) !important;
    color: var(--text-primary) !important;
}

/* --- Light Mode Tables --- */
[data-theme="light"] .table {
    color: var(--text-primary) !important;
    border-color: var(--border-light) !important;
}

[data-theme="light"] .table th {
    background: #f1f5f9 !important;
    color: var(--color-accent) !important;
    font-weight: 600 !important;
    border-bottom: 2px solid var(--border-medium) !important;
}

[data-theme="light"] .table td {
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--border-light) !important;
}

[data-theme="light"] .table tbody tr,
[data-theme="light"] .table tbody td,
[data-theme="light"] table.dataTable tbody tr,
[data-theme="light"] table.dataTable tbody td,
[data-theme="light"] .task-row,
[data-theme="light"] .task-row td {
    background-color: transparent !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .table-striped tbody tr:nth-of-type(odd),
[data-theme="light"] .table-striped tbody tr:nth-of-type(odd) td {
    background-color: #f8fafc !important;
}

[data-theme="light"] .table-hover tbody tr:hover,
[data-theme="light"] .table-hover tbody tr:hover td {
    background-color: var(--bg-hover-light) !important;
}

/* --- Light Mode Badges --- */
[data-theme="light"] .badge.bg-dark {
    background-color: rgba(0, 0, 0, 0.06) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .badge-secondary,
[data-theme="light"] .badge.bg-secondary {
    background-color: #f1f5f9 !important;
    color: #475569 !important;
    border: 1px solid #cbd5e1 !important;
}

[data-theme="light"] .badge-success,
[data-theme="light"] .badge.bg-success {
    background-color: #d1fae5 !important;
    color: #065f46 !important;
    border: 1px solid #a7f3d0 !important;
}

[data-theme="light"] .badge-warning,
[data-theme="light"] .badge.bg-warning {
    background-color: #fef3c7 !important;
    color: #92400e !important;
    border: 1px solid #fde68a !important;
}

[data-theme="light"] .badge-danger,
[data-theme="light"] .badge.bg-danger {
    background-color: #fee2e2 !important;
    color: #991b1b !important;
    border: 1px solid #fecaca !important;
}

[data-theme="light"] .badge-info,
[data-theme="light"] .badge.bg-info {
    background-color: #e0f2fe !important;
    color: #075985 !important;
    border: 1px solid #bae6fd !important;
}

[data-theme="light"] .badge-primary,
[data-theme="light"] .badge.bg-primary {
    background-color: #ccfbf1 !important;
    color: #115e59 !important;
    border: 1px solid #99f6e4 !important;
}

/* Ghi đè màu chữ tối cho các badge có màu nền sáng để đảm bảo độ tương phản */
[data-theme="light"] .badge[style*="background-color: #ffad46"],
[data-theme="light"] .badge[style*="background-color: rgb(255, 173, 70)"],
[data-theme="light"] .badge[style*="background-color: orange"],
[data-theme="light"] .badge[style*="background-color: yellow"],
[data-theme="light"] .badge[style*="background-color: #f59e0b"] {
    --badge-text-color: #451a03 !important;
    color: #451a03 !important;
}

[data-theme="light"] .badge[style*="background-color: #31ce36"] {
    --badge-text-color: #ffffff !important;
    color: #ffffff !important;
}



/* --- Light Mode Dropdown --- */
[data-theme="light"] .dropdown-menu,
[data-theme="light"] .main-header .navbar-header[data-background-color] .dropdown-menu {
    background-color: #ffffff !important;
    background: #ffffff !important;
    border: 1px solid var(--border-light) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1) !important;
}

[data-theme="light"] .dropdown-menu:after,
[data-theme="light"] .main-header .navbar-header[data-background-color] .dropdown-menu:after {
    border-bottom-color: #ffffff !important;
}

[data-theme="light"] .dropdown-item,
[data-theme="light"] .main-header .navbar-header[data-background-color] .dropdown-menu .dropdown-item {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .dropdown-item:hover,
[data-theme="light"] .main-header .navbar-header[data-background-color] .dropdown-menu .dropdown-item:hover {
    background-color: var(--bg-hover-light) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .dropdown-item.active,
[data-theme="light"] .dropdown-item:active,
[data-theme="light"] .main-header .navbar-header[data-background-color] .dropdown-menu .dropdown-item.active,
[data-theme="light"] .main-header .navbar-header[data-background-color] .dropdown-menu .dropdown-item:active {
    background-color: var(--color-accent-soft) !important;
    color: var(--color-accent) !important;
}

[data-theme="light"] .dropdown-item.text-danger,
[data-theme="light"] .main-header .navbar-header[data-background-color] .dropdown-menu .dropdown-item.text-danger {
    color: var(--status-danger) !important;
}

[data-theme="light"] .dropdown-divider,
[data-theme="light"] .main-header .navbar-header[data-background-color] .dropdown-menu .dropdown-divider {
    border-color: var(--border-light) !important;
}

/* --- Light Mode Notification Dropdown --- */
[data-theme="light"] .notif-box,
[data-theme="light"] .main-header .navbar-header[data-background-color] .notif-box {
    background-color: #ffffff !important;
    border: 1px solid var(--border-light) !important;
}

[data-theme="light"] .dropdown-title,
[data-theme="light"] .main-header .navbar-header[data-background-color] .dropdown-menu .dropdown-title {
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--border-light) !important;
}

[data-theme="light"] .notif-center a,
[data-theme="light"] .main-header .navbar-header[data-background-color] .notif-box .notif-center a {
    color: var(--text-primary) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.03) !important;
}

[data-theme="light"] .notif-center a:hover,
[data-theme="light"] .main-header .navbar-header[data-background-color] .notif-box .notif-center a:hover {
    background: var(--bg-hover-light) !important;
}

[data-theme="light"] .notif-content .block,
[data-theme="light"] .main-header .navbar-header[data-background-color] .notif-box .notif-content .block {
    color: var(--text-primary) !important;
}

[data-theme="light"] .notif-content .time,
[data-theme="light"] .main-header .navbar-header[data-background-color] .notif-box .notif-content .time {
    color: var(--text-muted) !important;
}

[data-theme="light"] .see-all,
[data-theme="light"] .main-header .navbar-header[data-background-color] .notif-box .see-all {
    color: var(--color-accent) !important;
    border-top: 1px solid var(--border-light) !important;
}

/* --- Light Mode User Dropdown --- */
[data-theme="light"] .dropdown-user,
[data-theme="light"] .main-header .navbar-header[data-background-color] .dropdown-user {
    background-color: #ffffff !important;
    border: 1px solid var(--border-light) !important;
}

[data-theme="light"] .user-box .u-text h4,
[data-theme="light"] .main-header .navbar-header[data-background-color] .dropdown-user .user-box .u-text h4 {
    color: var(--text-primary) !important;
}

[data-theme="light"] .user-box .u-text p,
[data-theme="light"] .main-header .navbar-header[data-background-color] .dropdown-user .user-box .u-text p {
    color: var(--text-muted) !important;
}

/* --- Light Mode Modals --- */
[data-theme="light"] .modal-content {
    background-color: #ffffff !important;
    border: 1px solid var(--border-light) !important;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12) !important;
}

[data-theme="light"] .modal-header {
    border-bottom: 1px solid var(--border-light) !important;
}

[data-theme="light"] .modal-header .modal-title {
    color: var(--text-primary) !important;
}

[data-theme="light"] .modal-footer {
    border-top: 1px solid var(--border-light) !important;
}

[data-theme="light"] .modal-backdrop {
    background-color: rgba(0, 0, 0, 0.4) !important;
}

[data-theme="light"] .btn-close {
    filter: none;
    opacity: 0.5;
}

[data-theme="light"] .btn-close:hover {
    opacity: 0.8;
}

/* --- Light Mode Tabs & Nav --- */
[data-theme="light"] #dashboard-tabs.nav-pills {
    background: rgba(0, 0, 0, 0.03) !important;
    border: 1px solid var(--border-light) !important;
}

[data-theme="light"] #dashboard-tabs .nav-link {
    color: var(--text-secondary) !important;
}

[data-theme="light"] #dashboard-tabs .nav-link:hover {
    color: var(--text-primary) !important;
    background: var(--bg-hover-light) !important;
}

[data-theme="light"] #dashboard-tabs .nav-link.active {
    background: var(--color-accent) !important;
    color: #ffffff !important;
}

[data-theme="light"] .nav-tabs {
    border-bottom: 1px solid var(--border-light) !important;
}

[data-theme="light"] .nav-tabs .nav-link {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .nav-tabs .nav-link:hover {
    color: var(--text-primary) !important;
    border-bottom-color: var(--border-medium) !important;
}

[data-theme="light"] .nav-tabs .nav-link.active {
    color: var(--color-accent) !important;
    border-bottom-color: var(--color-accent) !important;
    background: transparent !important;
}

/* --- Light Mode Pagination --- */
[data-theme="light"] .page-item .page-link {
    background: #ffffff !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-secondary) !important;
}

[data-theme="light"] .page-item .page-link:hover {
    background: var(--bg-hover-light) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .page-item.active .page-link {
    background: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
    color: #fff !important;
}

/* --- Light Mode Progress Bars --- */
[data-theme="light"] .progress {
    background: rgba(0, 0, 0, 0.06) !important;
}

/* --- Light Mode Tooltips & Popovers --- */
[data-theme="light"] .tooltip-inner {
    background: #1e293b !important;
    color: #f8fafc !important;
}

[data-theme="light"] .popover {
    background: #ffffff !important;
    border: 1px solid var(--border-light) !important;
}

[data-theme="light"] .popover-header {
    background: #f8fafc !important;
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--border-light) !important;
}

[data-theme="light"] .popover-body {
    color: var(--text-primary) !important;
}

/* --- Light Mode SweetAlert --- */
[data-theme="light"] .sweet-alert,
[data-theme="light"] .swal2-popup {
    background-color: #ffffff !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .sweet-alert h2,
[data-theme="light"] .sweet-alert p,
[data-theme="light"] .swal2-title,
[data-theme="light"] .swal2-html-container {
    color: var(--text-primary) !important;
}

/* --- Light Mode List Groups --- */
[data-theme="light"] .list-group-item {
    background: transparent !important;
    border-color: var(--border-light) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .list-group-item:hover {
    background: var(--bg-hover-light) !important;
}

/* --- Light Mode Accordion --- */
[data-theme="light"] .accordion-item {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-light) !important;
}

[data-theme="light"] .accordion-button {
    background: transparent !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .accordion-button::after {
    filter: none;
}

[data-theme="light"] .accordion-button:not(.collapsed) {
    color: var(--color-accent) !important;
    border-bottom: 1px solid var(--border-light);
}

[data-theme="light"] .accordion-body {
    color: var(--text-primary) !important;
}

/* --- Light Mode Chat --- */
[data-theme="light"] .chat-container {
    background: var(--bg-card) !important;
}

[data-theme="light"] .chat-sidebar {
    background: #f8fafc !important;
}

[data-theme="light"] .chat-main-header {
    background: #f8fafc !important;
}

[data-theme="light"] .chat-input-area {
    background: #f8fafc !important;
}

[data-theme="light"] .chat-conversation-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.04) !important;
}

[data-theme="light"] .chat-conversation-item:hover {
    background: var(--bg-hover-light) !important;
}

[data-theme="light"] .chat-conversation-item.active {
    background: var(--color-accent-soft) !important;
}

[data-theme="light"] .chat-message.received .chat-bubble {
    background: rgba(0, 0, 0, 0.04) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .chat-message.sent .chat-bubble {
    background: linear-gradient(135deg, #0d9488, #0f766e) !important;
    color: #fff !important;
}

/* --- Light Mode Comment Bubbles & Polls --- */
[data-theme="light"] .cmt-content-box {
    background-color: #f8fafc !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .cmt-content-box.cmt-me {
    background-color: rgba(13, 148, 136, 0.08) !important;
    border: 1px solid rgba(13, 148, 136, 0.2) !important;
}

[data-theme="light"] .poll-container {
    background-color: #ffffff !important;
    border-color: rgba(13, 148, 136, 0.3) !important;
}

[data-theme="light"] .poll-header {
    background-color: rgba(13, 148, 136, 0.06) !important;
    border-bottom: 1px solid var(--border-light) !important;
}

[data-theme="light"] .poll-voter-badge {
    background-color: #f1f5f9 !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-secondary) !important;
}

/* --- Light Mode Select2 --- */
[data-theme="light"] .select2-container--default .select2-selection--single,
[data-theme="light"] .select2-container--default .select2-selection--multiple {
    background-color: #ffffff !important;
    border: 1px solid var(--border-medium) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--text-primary) !important;
}

[data-theme="light"] .select2-dropdown {
    background-color: #ffffff !important;
    border: 1px solid var(--border-light) !important;
}

[data-theme="light"] .select2-results__option {
    color: var(--text-primary) !important;
}

[data-theme="light"] .select2-results__option--highlighted[aria-selected] {
    background-color: var(--color-accent-soft) !important;
    color: var(--color-accent) !important;
}

[data-theme="light"] .select2-search--dropdown .select2-search__field {
    background: #ffffff !important;
    border: 1px solid var(--border-medium) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .select2-container--default .select2-selection--multiple .select2-selection__choice {
    background-color: rgba(13, 148, 136, 0.08) !important;
    border: 1px solid rgba(13, 148, 136, 0.2) !important;
    color: var(--text-primary) !important;
}

/* --- Light Mode DataTables --- */
[data-theme="light"] .dataTables_wrapper {
    color: var(--text-primary) !important;
}

[data-theme="light"] .dataTables_length label,
[data-theme="light"] .dataTables_filter label,
[data-theme="light"] .dataTables_info {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .dataTables_length select,
[data-theme="light"] .dataTables_filter input {
    background: #ffffff !important;
    border: 1px solid var(--border-medium) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .dataTables_paginate .paginate_button {
    background: #ffffff !important;
    border: 1px solid var(--border-light) !important;
    color: var(--text-secondary) !important;
}

[data-theme="light"] .dataTables_paginate .paginate_button:hover {
    background: var(--bg-hover-light) !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] .dataTables_paginate .paginate_button.current {
    background: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
    color: #fff !important;
}

/* --- Light Mode Flatpickr --- */
[data-theme="light"] .flatpickr-calendar {
    background: #ffffff !important;
    border: 1px solid var(--border-light) !important;
}

[data-theme="light"] .flatpickr-months .flatpickr-month {
    color: var(--text-primary) !important;
}

[data-theme="light"] .flatpickr-day {
    color: var(--text-primary) !important;
}

[data-theme="light"] .flatpickr-day:hover {
    background: var(--bg-hover-light) !important;
}

/* --- Light Mode Calendar Widget --- */
[data-theme="light"] .erp-calendar td {
    color: var(--text-primary) !important;
}

[data-theme="light"] .erp-calendar td:hover {
    background: var(--bg-hover-light) !important;
}

/* --- Light Mode Scrollbar --- */
[data-theme="light"] ::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

[data-theme="light"] .scrollbar-inner > .scroll-element .scroll-bar {
    background: rgba(0, 0, 0, 0.12) !important;
}

/* --- Light Mode Skeleton Loading --- */
[data-theme="light"] .skeleton {
    background: linear-gradient(90deg,
        rgba(0, 0, 0, 0.04) 25%,
        rgba(0, 0, 0, 0.08) 50%,
        rgba(0, 0, 0, 0.04) 75%
    );
    background-size: 200% 100%;
}

/* --- Light Mode Breadcrumbs --- */
[data-theme="light"] .breadcrumbs li.separator i {
    color: rgba(0, 0, 0, 0.2) !important;
}

/* --- Light Mode Utility Overrides --- */
[data-theme="light"] .bg-white,
[data-theme="light"] .bg-light {
    background-color: var(--bg-card) !important;
}

[data-theme="light"] .bg-dark-light {
    background-color: rgba(0, 0, 0, 0.03) !important;
}

/* --- Light Mode Footer --- */
[data-theme="light"] .footer {
    border-top: 1px solid var(--border-light) !important;
}

/* --- Light Mode Avatar --- */
[data-theme="light"] .avatar-img {
    border: 2px solid var(--border-light) !important;
}

[data-theme="light"] .avatar-img:hover {
    border-color: var(--color-accent) !important;
}

/* --- Light Mode Search Bar --- */
[data-theme="light"] .main-header .navbar-header[data-background-color] .nav-search .input-group,
[data-theme="light"] .main-header .navbar-header .nav-search .input-group {
    background: rgba(0, 0, 0, 0.02) !important;
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
}

[data-theme="light"] .main-header .navbar-header[data-background-color] .nav-search .input-group .form-control,
[data-theme="light"] .main-header .navbar-header .nav-search .input-group .form-control {
    background: #ffffff !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    color: #0f172a !important;
}

[data-theme="light"] .main-header .navbar-header[data-background-color] .nav-search .input-group .form-control::placeholder,
[data-theme="light"] .main-header .navbar-header .nav-search .input-group .form-control::placeholder {
    color: #94a3b8 !important;
}
[data-theme="light"] .main-header .navbar-header[data-background-color] .nav-search .input-group .form-control::-webkit-input-placeholder,
[data-theme="light"] .main-header .navbar-header .nav-search .input-group .form-control::-webkit-input-placeholder {
    color: #94a3b8 !important;
}

[data-theme="light"] .main-header .navbar-header[data-background-color] .nav-search .input-group .form-control:focus,
[data-theme="light"] .main-header .navbar-header .nav-search .input-group .form-control:focus {
    background: #ffffff !important;
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 0 3px var(--color-accent-glow) !important;
}

[data-theme="light"] .main-header .navbar-header[data-background-color] .nav-search .input-group .btn-search,
[data-theme="light"] .main-header .navbar-header .nav-search .input-group .btn-search {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .main-header .navbar-header[data-background-color] .nav-search .input-group .btn-search:hover,
[data-theme="light"] .main-header .navbar-header .nav-search .input-group .btn-search:hover {
    color: var(--color-accent) !important;
}

/* --- Light Mode Task Waiting State --- */
[data-theme="light"] .task-row.task-waiting span.text-muted,
[data-theme="light"] .task-row.task-waiting td span.text-muted {
    color: #475569 !important;
}

[data-theme="light"] .task-waiting .badge-secondary,
[data-theme="light"] .task-waiting .badge.bg-secondary {
    background-color: rgba(100, 116, 139, 0.12) !important;
    color: #334155 !important;
}

/* --- Light Mode Breadcrumb Separator Fix --- */
[data-theme="light"] .sidebar .nav .nav-item.active > a::before,
[data-theme="light"] .sidebar .nav .nav-collapse li.active > a::before {
    background: var(--color-accent) !important;
}

/* --- Light Mode Task Links in Tables --- */
[data-theme="light"] .task-row td a {
    color: var(--color-accent) !important;
}

[data-theme="light"] .task-row td a:hover {
    color: var(--color-accent-hover) !important;
}

/* --- Theme Toggle Button --- */
#themeToggle {
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.25s ease;
    color: #cbd5e1 !important; /* Đơn sắc sáng ở Dark Mode */
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50% !important;
    background: transparent !important;
    border: none !important;
}

#themeToggle:hover {
    background: transparent !important;
}

[data-theme="light"] #themeToggle {
    color: #475569 !important; /* Đơn sắc xám ở Light Mode */
    background: transparent !important;
    border: none !important;
}

[data-theme="light"] #themeToggle:hover {
    background: transparent !important;
    color: #0f172a !important;
}

/* --- Monochrome Metric Card Icons --- */
.card-stats .icon-big i {
    background: transparent !important;
}

/* Dark Mode (Default) */
.card-stats .icon-big.icon-primary,
.card-stats .icon-big.icon-secondary,
.card-stats .icon-big.icon-success,
.card-stats .icon-big.icon-warning,
.card-stats .icon-big.icon-danger,
.card-stats .icon-big.icon-info {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.card-stats .icon-big.icon-primary i,
.card-stats .icon-big.icon-secondary i,
.card-stats .icon-big.icon-success i,
.card-stats .icon-big.icon-warning i,
.card-stats .icon-big.icon-danger i,
.card-stats .icon-big.icon-info i {
    color: #ffffff !important;
}

/* Light Mode Override */
[data-theme="light"] .card-stats .icon-big.icon-primary,
[data-theme="light"] .card-stats .icon-big.icon-secondary,
[data-theme="light"] .card-stats .icon-big.icon-success,
[data-theme="light"] .card-stats .icon-big.icon-warning,
[data-theme="light"] .card-stats .icon-big.icon-danger,
[data-theme="light"] .card-stats .icon-big.icon-info {
    background: rgba(0, 0, 0, 0.05) !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
}

[data-theme="light"] .card-stats .icon-big.icon-primary i,
[data-theme="light"] .card-stats .icon-big.icon-secondary i,
[data-theme="light"] .card-stats .icon-big.icon-success i,
[data-theme="light"] .card-stats .icon-big.icon-warning i,
[data-theme="light"] .card-stats .icon-big.icon-danger i,
[data-theme="light"] .card-stats .icon-big.icon-info i {
    color: #475569 !important;
}

/* --- Impersonate masks icon --- */
.main-header .navbar-nav .nav-link i.fa-theater-masks {
    color: #e2e8f0 !important; /* Đơn sắc ở Dark Mode */
}
[data-theme="light"] .main-header .navbar-nav .nav-link i.fa-theater-masks {
    color: #475569 !important; /* Đơn sắc ở Light Mode */
}

/* --- Unified Search Input Bar (No double-borders) --- */
.main-header .navbar-header .nav-search .input-group {
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-radius: 4px !important;
    padding: 2px 10px !important;
    display: flex !important;
    align-items: center !important;
    height: 38px !important;
}

.main-header .navbar-header .nav-search .input-group .form-control {
    background: transparent !important;
    border: none !important;
    color: #ffffff !important;
    height: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    box-shadow: none !important;
}

.main-header .navbar-header .nav-search .input-group .btn-search {
    color: rgba(255, 255, 255, 0.6) !important;
    padding: 0 0 0 8px !important;
}

.main-header .navbar-header .nav-search .input-group .btn-search i {
    color: inherit !important;
}

/* Light Mode Search Override */
[data-theme="light"] .main-header .navbar-header .nav-search .input-group {
    background: rgba(0, 0, 0, 0.03) !important;
    border: 1px solid rgba(0, 0, 0, 0.1) !important;
}

[data-theme="light"] .main-header .navbar-header .nav-search .input-group .form-control {
    color: #0f172a !important;
    background: transparent !important;
    border: none !important;
}

[data-theme="light"] .main-header .navbar-header .nav-search .input-group .btn-search {
    color: #475569 !important;
}
[data-theme="light"] .main-header .navbar-header .nav-search .input-group .btn-search:hover {
    color: #0d9488 !important;
}

/* Light mode smooth transition */
html {
    transition: none;
}

html *,
html *::before,
html *::after {
    transition-property: color, background-color, border-color, box-shadow, background;
}

/* ==========================================================================
   20. ORGANIZATIONAL STRUCTURE & ROLES REDESIGN
   ========================================================================== */
.dept-tree-container {
    position: relative;
    padding: 10px 0;
}

/* Root Card Styling */
.dept-root-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-light) !important;
    border-left: 4px solid var(--color-accent) !important;
    border-radius: 4px !important;
    box-shadow: var(--shadow-sm) !important;
    margin-bottom: 20px;
    transition: all var(--transition-normal);
}
.dept-root-card:hover {
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px);
}

/* Child Card branch connection */
.dept-branch {
    position: relative;
    padding-left: 40px; /* Thụt lề cho bộ phận con */
}

/* Vertical connector line */
.dept-branch::before {
    content: '';
    position: absolute;
    left: 20px;
    top: -20px;
    bottom: -20px;
    width: 2px;
    background-color: var(--border-medium);
}
/* Horizontal connector line */
.dept-branch::after {
    content: '';
    position: absolute;
    left: 20px;
    top: 30px; /* Align to the vertical center of the first child header */
    width: 20px;
    height: 2px;
    background-color: var(--border-medium);
}
/* If it's the last branch, terminate the vertical line */
.dept-branch.is-last::before {
    bottom: auto;
    height: 50px;
}

/* Child Card Styling */
.dept-child-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-light) !important;
    border-left: 3px solid var(--text-muted) !important;
    border-radius: 4px !important;
    margin-bottom: 15px;
    box-shadow: var(--shadow-sm) !important;
    transition: all var(--transition-normal);
}
.dept-child-card:hover {
    box-shadow: var(--shadow-md) !important;
    border-left-color: var(--color-accent) !important;
}

/* Member Pills Styling */
.member-list-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.member-pill {
    display: inline-flex;
    align-items: center;
    background-color: var(--bg-primary) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: 50px !important; /* Dạng Pill bo tròn hẳn */
    padding: 4px 10px 4px 4px !important;
    font-size: 0.85rem !important;
    color: var(--text-primary) !important;
    transition: all var(--transition-fast);
}
.member-pill:hover {
    border-color: var(--color-accent) !important;
    background-color: var(--color-accent-soft) !important;
    transform: translateY(-1px);
}

.member-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50% !important; /* Buộc phải tròn */
    background-color: var(--color-accent);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    margin-right: 6px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50% !important;
}

.member-info {
    display: inline-flex;
    flex-direction: column;
    line-height: 1.1;
    text-align: left;
}
.member-name {
    font-weight: 600;
    color: var(--text-primary);
}
.member-title {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.member-remove {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-left: 6px;
    opacity: 0.4;
    transition: all var(--transition-fast);
    padding: 2px;
}
.member-pill:hover .member-remove {
    opacity: 1;
    color: var(--status-danger) !important;
}

/* Role configuration sidebar styling */
.role-card-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.role-card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: 4px !important;
    padding: 12px 16px !important;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-normal);
}
.role-card:hover {
    box-shadow: var(--shadow-md) !important;
    border-color: var(--border-medium) !important;
}

.role-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.role-icon-wrapper {
    width: 36px;
    height: 36px;
    border-radius: 50% !important;
    background-color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    border: 1px solid var(--border-light);
}

.role-icon-wrapper.rank-high {
    color: #eab308; /* Vàng */
    background-color: rgba(234, 179, 8, 0.08);
}
.role-icon-wrapper.rank-mid {
    color: #06b6d4; /* Xanh */
    background-color: rgba(6, 182, 212, 0.08);
}
.role-icon-wrapper.rank-low {
    color: #64748b; /* Xám */
    background-color: rgba(100, 116, 139, 0.08);
}

.role-text-details {
    display: flex;
    flex-direction: column;
    text-align: left;
}
.role-name-display {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}
.role-user-count {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.role-actions-hidden {
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}
.role-card:hover .role-actions-hidden {
    opacity: 1;
}

/* Ghi đè màu text hiển thị trong các modal và input trên card phòng ban để tối ưu */
[data-theme="light"] .form-check-label.text-white {
    color: var(--text-primary) !important;
}

/* Force unread task indicators to be perfectly circular and a vibrant, darker red */
.unread-dot,
[data-theme="light"] .unread-dot {
    border-radius: 50% !important; /* Force circle shape */
    background-color: #ef4444 !important; /* Rich bright red */
    background: #ef4444 !important;
    border: none !important;
    padding: 0 !important;
    box-shadow: 0 0 0 1.5px rgba(239, 68, 68, 0.3) !important;
}

/* Redesign unread indicators as a perfect circular 8px dot, rich red color, sharp classic blinking animation */
.unread-dot-classic {
    width: 8px !important;
    height: 8px !important;
    min-width: 8px !important;
    min-height: 8px !important;
    max-width: 8px !important;
    max-height: 8px !important;
    border-radius: 50% !important; /* Force circular shape */
    background-color: #ef4444 !important; /* Tailwind red-500 */
    background: #ef4444 !important;
    display: inline-block !important;
    padding: 0 !important;
    border: none !important;
    box-shadow: 0 0 0 1.5px rgba(239, 68, 68, 0.35) !important;
}

@keyframes classicBlink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

/* Circular notification count badges (fixed size, red background, white text) */
.badge-counter,
[data-theme="light"] .badge-counter {
    width: 18px !important;
    height: 18px !important;
    min-width: 18px !important;
    min-height: 18px !important;
    max-width: 18px !important;
    max-height: 18px !important;
    border-radius: 50% !important; /* Force perfect circle */
    background-color: #ef4444 !important; /* Rich bright red */
    background: #ef4444 !important;
    color: #ffffff !important;
    display: inline-flex;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important;
    border: none !important;
    font-size: 0.65rem !important;
    font-weight: 700 !important;
    line-height: 1 !important;
    box-shadow: 0 2px 5px rgba(239, 68, 68, 0.4) !important;
    aspect-ratio: 1 / 1 !important;
}

/* Align sidebar unread badges cleanly to the right side next to the submenu caret */
.sidebar .nav-item a .badge-counter {
    position: absolute !important;
    right: 35px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
}

/* Prevent any sidebar link hover or active states from changing badge-counter text color */
.sidebar .nav-item a:hover .badge-counter,
.sidebar .nav-item.active > a .badge-counter,
.sidebar .nav-item.submenu.active > a .badge-counter,
.sidebar .nav .nav-collapse li a:hover .badge-counter,
.sidebar .nav .nav-collapse li.active > a .badge-counter,
[data-theme="light"] .sidebar .nav-item a:hover .badge-counter,
[data-theme="light"] .sidebar .nav-item.active > a .badge-counter,
[data-theme="light"] .sidebar .nav-item.submenu.active > a .badge-counter,
[data-theme="light"] .sidebar .nav .nav-collapse li a:hover .badge-counter,
[data-theme="light"] .sidebar .nav .nav-collapse li.active > a .badge-counter {
    color: #ffffff !important;
}