/**
 * Custom Styles for Thesis Management System
 * Clean Elegant White Design - No Background Colors
 */

:root {
    /* Clean Elegant White & Dark Green Palette */
    --primary-color: #1a4d2e;
    --primary-light: #2d5a2d;
    --primary-dark: #10331e;
    --secondary-color: #6c757d;
    --accent-color: #1a4d2e;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #ffffff;
    --dark-color: #212529;
    --muted-color: #6c757d;
    --border-color: #e9ecef;
    --sidebar-hover: #f8f9fa;
}

/* =====================================================
   GLOBAL OVERRIDES - Plain White Backgrounds
   ===================================================== */

/* MASTER OVERRIDE - Force ALL headers to white background */
.page-header,
.dashboard-header,
.card-header,
.modal-header,
.table thead,
.table thead th,
.table thead.table-light,
.table thead.table-light th,
.thead-light,
.thead-light th,
.panel-heading,
.panel-header,
div.page-header,
div.card-header,
div.modal-header,
th.text-white,
th[style],
div[style*="gradient"],
div[style*="background"],
.card-header[style],
.page-header[style],
.modal-header[style] {
    background: #ffffff !important;
    background-color: #ffffff !important;
    background-image: none !important;
    color: #111827 !important;
}

.page-header *,
.dashboard-header *,
.card-header *,
.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4,
.card-header h5,
.card-header h6,
.card-header i,
.modal-header *,
.modal-header .modal-title,
.page-title,
.panel-title,
th.text-white,
.text-white {
    color: var(--primary-color) !important;
    text-shadow: none !important;
}

/* Override inline styles on page headers */
.page-header[style] {
    background: #ffffff !important;
    background-color: #ffffff !important;
    background-image: none !important;
}

/* Override inline styles on card headers */
.card-header[style] {
    background: #ffffff !important;
    background-color: #ffffff !important;
    background-image: none !important;
    color: #111827 !important;
}

/* Override inline styles on table headers */
th[style],
th[style*="background"],
th[style*="gradient"] {
    background: #ffffff !important;
    background-color: #ffffff !important;
    background-image: none !important;
    color: #111827 !important;
}

/* Remove all gradients from page headers */
.page-header {
    background: #ffffff !important;
    border: none !important;
    box-shadow: none !important;
    border-bottom: 1px solid #e5e7eb !important;
    padding: 1.5rem 0 !important;
}

.page-title {
    color: var(--primary-color) !important;
    font-size: 1.75rem !important;
    font-weight: 600 !important;
    text-shadow: none !important;
}

.page-title i {
    color: var(--primary-color) !important;
    opacity: 1 !important;
}

/* Dashboard specific overrides */
.dashboard-subtitle,
.dashboard-subtitle strong {
    color: #6b7280 !important;
}

.dashboard-time {
    background: #f9fafb !important;
    border: 1px solid #e5e7eb !important;
    color: #111827 !important;
    box-shadow: none !important;
}

.dashboard-time:hover {
    background: #f3f4f6 !important;
    transform: none !important;
    box-shadow: none !important;
}

.dashboard-time i {
    color: #111827 !important;
}

/* Custom animations with smooth professional transitions */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-4px); }
}

.fade-in {
    animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in {
    animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.pulse {
    animation: pulse 2.5s ease-in-out infinite;
}

/* Loading spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(16, 185, 129, 0.1);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1.2s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Custom form styles - Clean */
.form-floating label {
    color: #6b7280;
    font-size: 0.875rem;
}

.form-floating .form-control:focus ~ label,
.form-floating .form-control:not(:placeholder-shown) ~ label {
    color: var(--primary-color);
}

.form-control {
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 77, 46, 0.1);
    outline: none;
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

.form-control.is-valid {
    border-color: var(--success-color);
}

/* Custom button styles - Clean Elegant White */
.btn {
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    border: 1px solid #e5e7eb;
    background: #ffffff !important;
    color: #111827 !important;
    padding: 0.5rem 1rem;
}

.btn:hover {
    background: #f3f4f6 !important;
    border-color: #d1d5db;
    color: var(--primary-color) !important;
}

.btn:focus {
    box-shadow: 0 0 0 3px rgba(26, 77, 46, 0.1);
}

/* Button icon styling */
.btn i,
.btn .fas,
.btn .far,
.btn .fab {
    margin-right: 0.5rem;
    color: var(--primary-color) !important;
}

.btn-sm i,
.btn-sm .fas {
    margin-right: 0.375rem;
}

/* Primary button - outlined style */
.btn-primary {
    background: #ffffff !important;
    border: 1px solid var(--primary-color) !important;
    color: var(--primary-color) !important;
}

.btn-primary:hover {
    background: var(--primary-color) !important;
    color: #ffffff !important;
}

.btn-primary:hover i {
    color: #ffffff !important;
}

.btn-outline-primary {
    background: #ffffff !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

.btn-outline-primary:hover {
    background: var(--primary-color) !important;
    color: #ffffff !important;
}

.btn-outline-primary:hover i {
    color: #ffffff !important;
}

/* Success button - outlined style */
.btn-success {
    background: #ffffff !important;
    border: 1px solid #059669 !important;
    color: #059669 !important;
}

.btn-success i {
    color: #059669 !important;
}

.btn-success:hover {
    background: #059669 !important;
    color: #ffffff !important;
}

.btn-success:hover i {
    color: #ffffff !important;
}

.btn-outline-success {
    background: #ffffff !important;
    border-color: #059669 !important;
    color: #059669 !important;
}

.btn-outline-success:hover {
    background: #059669 !important;
    color: #ffffff !important;
}

/* Danger button - outlined style */
.btn-danger {
    background: #ffffff !important;
    border: 1px solid #dc2626 !important;
    color: #dc2626 !important;
}

.btn-danger i {
    color: #dc2626 !important;
}

.btn-danger:hover {
    background: #dc2626 !important;
    color: #ffffff !important;
}

.btn-danger:hover i {
    color: #ffffff !important;
}

.btn-outline-danger {
    background: #ffffff !important;
    border-color: #dc2626 !important;
    color: #dc2626 !important;
}

.btn-outline-danger:hover {
    background: #dc2626 !important;
    color: #ffffff !important;
}

/* Warning button - outlined style */
.btn-warning {
    background: #ffffff !important;
    border: 1px solid #f59e0b !important;
    color: #92400e !important;
}

.btn-warning i {
    color: #92400e !important;
}

.btn-warning:hover {
    background: #f59e0b !important;
    color: #ffffff !important;
}

.btn-warning:hover i {
    color: #ffffff !important;
}

/* Info button - outlined style */
.btn-info {
    background: #ffffff !important;
    border: 1px solid #0891b2 !important;
    color: #0891b2 !important;
}

.btn-info i {
    color: #0891b2 !important;
}

.btn-info:hover {
    background: #0891b2 !important;
    color: #ffffff !important;
}

.btn-info:hover i {
    color: #ffffff !important;
}

/* Secondary button */
.btn-secondary {
    background: #ffffff !important;
    border: 1px solid #6b7280 !important;
    color: #6b7280 !important;
}

.btn-secondary i {
    color: #6b7280 !important;
}

.btn-secondary:hover {
    background: #6b7280 !important;
    color: #ffffff !important;
}

.btn-secondary:hover i {
    color: #ffffff !important;
}

/* Light button */
.btn-light {
    background: #ffffff !important;
    border: 1px solid #e5e7eb !important;
    color: #374151 !important;
}

.btn-light:hover {
    background: #f9fafb !important;
    border-color: #d1d5db !important;
}

/* Link button */
.btn-link {
    background: transparent !important;
    border: none !important;
    color: var(--primary-color) !important;
    text-decoration: none;
}

.btn-link:hover {
    color: #374151 !important;
    text-decoration: underline;
}

/* Small buttons */
.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.8125rem;
}

/* Large buttons */
.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* Button groups */
.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: 6px 0 0 6px;
}

.btn-group .btn:last-child {
    border-radius: 0 6px 6px 0;
}

.btn-group-sm .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Badge styles - Clean */

.btn-warning:hover {
    background: #d97706;
    border-color: #d97706;
}

/* Custom badge styles */
.badge-status {
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Badge styles - Clean */
.badge-pending,
.badge-approved {
    background: var(--primary-color);
    color: #ffffff;
}

.badge-rejected,
.badge-scheduled,
.badge-completed,
.badge-cancelled {
    background: #6b7280;
    color: #ffffff;
}

/* utility overrides - Clean */
.bg-primary, .btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: #ffffff !important;
}
.bg-success {
    background-color: #059669 !important;
    color: #ffffff !important;
}
.bg-secondary {
    background-color: #6b7280 !important;
    color: #ffffff !important;
}
.bg-warning {
    background-color: #f59e0b !important;
    color: #ffffff !important;
}
.bg-danger {
    background-color: #dc2626 !important;
    color: #ffffff !important;
}
.bg-info {
    background-color: #0891b2 !important;
    color: #ffffff !important;
}

/* badge-specific overrides - Clean */
.badge-primary,
.badge-success {
    background-color: var(--primary-color) !important;
    color: #ffffff !important;
    border: none !important;
}
.badge-secondary,
.badge-warning,
.badge-danger,
.badge-info {
    background-color: #6b7280 !important;
    color: #ffffff !important;
    border: none !important;
}

/* dashboard header - Clean */
.dashboard-header {
    background: #ffffff !important;
    color: var(--primary-color) !important;
    border-bottom: 1px solid #e5e7eb;
}

/* Custom table styles - Clean White */
.table {
    border-radius: 8px;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid #e5e7eb;
}

.table thead {
    background: #ffffff !important;
    color: var(--primary-color) !important;
    border-bottom: 1px solid #e5e7eb;
}

.table thead th {
    background: #ffffff !important;
    color: var(--primary-color) !important;
    font-weight: 600;
    border-bottom: 1px solid #e5e7eb;
}

.table thead.table-light,
.table thead.table-light th {
    background: #ffffff !important;
    color: var(--primary-color) !important;
}

.table tbody tr:hover {
    background: #f9fafb;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: #fafafa;
}

/* Custom card styles - Clean White */
.card {
    background: #ffffff !important;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    transition: all 0.2s ease;
    overflow: hidden;
}

.card:hover {
    border-color: #d1d5db;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.card-header {
    background: #ffffff !important;
    color: var(--primary-color) !important;
    border-radius: 8px 8px 0 0;
    font-weight: 600;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #e5e7eb;
}

.card-header h5,
.card-header h4,
.card-header h6,
.card-header .h5,
.card-header .h4,
.card-header .h6 {
    color: var(--primary-color) !important;
    margin: 0;
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.card-icon.primary,
.card-icon.success,
.card-icon.danger,
.card-icon.warning {
    background: #f3f4f6;
    color: var(--primary-color);
}

/* Custom modal styles - Clean White */
.modal-content {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.modal-header {
    background: #ffffff !important;
    color: var(--primary-color) !important;
    border-bottom: 1px solid #e5e7eb;
    border-radius: 8px 8px 0 0;
}

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

.modal-header .btn-close {
    filter: none;
}

.modal-body {
    background: #ffffff;
    color: #374151;
}

.modal-footer {
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    border-radius: 0 0 8px 8px;
}

/* Custom alert styles - Clean */
.alert {
    border: none;
    border-radius: 6px;
    padding: 1rem 1.25rem;
}

.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border-left: 4px solid #059669;
}

.alert-danger {
    background: #fef2f2;
    color: #991b1b;
    border-left: 4px solid #dc2626;
}

.alert-warning {
    background: #fffbeb;
    color: #92400e;
    border-left: 4px solid #f59e0b;
}

.alert-info {
    background: #ecfeff;
    color: #155e75;
    border-left: 4px solid #0891b2;
}

/* Custom pagination styles - Clean */
.pagination .page-link {
    color: #374151;
    border: 1px solid #e5e7eb;
    margin: 0 2px;
    border-radius: 6px;
}

.pagination .page-link:hover {
    background: #f3f4f6;
    color: #111827;
    border-color: #d1d5db;
}

.pagination .page-item.active .page-link {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

.sidebar-submenu {
    display: none;
    margin-left: 20px;
    margin-top: 5px;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-submenu a {
    display: block;
    padding: 8px 12px;
    color: #495057;
    text-decoration: none;
    font-size: 13px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background-color 0.3s ease;
}

.sidebar-submenu a:hover {
    background-color: rgba(26, 77, 46, 0.1);
    color: #ffffff;
}

.sidebar-submenu a:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.sidebar-item:hover .sidebar-submenu {
    display: block;
}

.sidebar-item.active .sidebar-submenu {
    display: block;
}

/* Custom progress bar styles - Clean */
.progress {
    height: 8px;
    border-radius: 4px;
    background: #e5e7eb;
}

.progress-bar {
    background: var(--primary-color);
}

/* Custom timeline styles - Clean */
.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: #e5e7eb;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 24px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 20px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary-color);
    transform: translateX(-50%);
    border: 2px solid #ffffff;
}

.timeline-content {
    background: #ffffff;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    width: 45%;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

/* Stats Cards - Clean White */
.stats-card {
    text-align: center;
    padding: 24px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background: #ffffff !important;
    transition: all 0.2s ease;
}

.stats-card::before {
    display: none !important;
    background: none !important;
}

.stats-card:hover {
    border-color: #d1d5db;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: none !important;
}

.stats-icon {
    font-size: 2rem;
    margin-bottom: 12px;
    color: #111827 !important;
}

.stats-number {
    font-size: 2rem;
    font-weight: 600;
    color: #111827 !important;
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: #111827 !important;
    background-clip: unset !important;
    margin-bottom: 4px;
}

.stats-label {
    color: #6b7280 !important;
    font-weight: 500;
    font-size: 0.875rem;
}

/* Stats card icon colors - all black */
.stats-card .stats-icon,
.stats-card i {
    color: #111827 !important;
    background: none !important;
}

/* Custom print styles */
@media print {
    .sidebar,
    .top-navbar,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
    
    .content-wrapper {
        padding: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #dee2e6 !important;
    }
}

/* Custom mobile styles */
@media (max-width: 576px) {
    .stats-card {
        padding: 15px;
    }
    
    .stats-icon {
        font-size: 2rem;
    }
    
    .stats-number {
        font-size: 1.8rem;
    }
    
    .page-title {
        font-size: 1.3rem;
    }
    
    .btn {
        font-size: 0.9rem;
        padding: 8px 15px;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .card {
        margin-bottom: 15px;
    }
}

/* =====================================================
   Mobile Menu Toggle - Professional Uniform Design
   ===================================================== */

.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1100;
    background: #f59e0b; /* Bright yellow background */
    color: #ffffff;
    border: 2px solid #ffffff; /* White border */
    border-radius: 8px;
    width: 44px;
    height: 44px;
    padding: 0;
    font-size: 1.25rem;
    transition: all 0.2s ease;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    align-items: center;
    justify-content: center;
    outline: none;
}

.mobile-menu-toggle::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px solid #059669; /* Green border */
    border-radius: 8px;
    pointer-events: none;
    z-index: -1;
}

.mobile-menu-toggle:hover {
    background: #eab308; /* Darker yellow on hover */
    border-color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.mobile-menu-toggle:active {
    transform: scale(0.95) translateY(0);
    background: #ca8a04; /* Even darker yellow when pressed */
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.mobile-menu-toggle:focus {
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.3);
}

.mobile-menu-toggle i {
    color: #ffffff;
    transition: transform 0.2s ease;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    font-size: 1.1rem;
}

.mobile-menu-toggle.active i {
    transform: rotate(90deg);
}

/* Mobile sidebar overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.sidebar-overlay.show {
    display: block;
    opacity: 1;
}

/* Mobile close button inside sidebar */
.sidebar-close {
    display: none;
    position: absolute;
    top: 16px;
    right: 16px;
    background: #f3f4f6;
    border: none;
    border-radius: 6px;
    width: 32px;
    height: 32px;
    font-size: 1rem;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.15s ease;
    z-index: 10;
    align-items: center;
    justify-content: center;
}

.sidebar-close:hover {
    background: #e5e7eb;
    color: #111827;
}

.sidebar-close i {
    color: #dc2626;
}

@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
        box-shadow: none;
    }
    
    .sidebar.show {
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .sidebar-close {
        display: flex;
    }
    
    .content-wrapper {
        padding-top: 70px;
    }
    
    .top-nav {
        margin-left: 0 !important;
        padding-left: 60px;
    }
}

@media (max-width: 576px) {
    .sidebar {
        width: 100%;
        max-width: 300px;
    }
    
    .mobile-menu-toggle {
        top: 12px;
        left: 12px;
        width: 40px;
        height: 40px;
        font-size: 1.125rem;
    }
    
    .content-wrapper {
        padding-top: 65px;
    }
}

/* Custom dark mode support - Clean */
@media (prefers-color-scheme: dark) {
    :root {
        --light-color: #ffffff;
        --dark-color: #111827;
    }
    
    body {
        background-color: #ffffff;
        color: #111827;
    }
    
    .card {
        background: #ffffff;
        color: #111827;
    }
    
    .table {
        color: #111827;
    }
    
    .form-control {
        background: #ffffff;
        border-color: #e5e7eb;
        color: #111827;
    }
    
    .form-control:focus {
        background: #ffffff;
        border-color: #111827;
        color: #111827;
    }
}

/* Custom scrollbar styles - Clean */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f3f4f6;
}

::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

/* Custom focus styles - Clean */
.form-control:focus,
.btn:focus,
.form-select:focus {
    box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.1);
    border-color: #111827;
}

/* Custom hover effects - Clean */
.hover-lift {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Custom text styles - Clean */
.text-gradient {
    color: #111827;
}

.text-muted-light {
    color: #9ca3af;
}

/* Custom spacing utilities */
.space-y-1 > * + * {
    margin-top: 0.25rem;
}

.space-y-2 > * + * {
    margin-top: 0.5rem;
}

.space-y-3 > * + * {
    margin-top: 1rem;
}

.space-y-4 > * + * {
    margin-top: 1.5rem;
}

/* Custom display utilities */
.d-flex-grid {
    display: grid;
    gap: 1rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
}