:root {
    --primary-color: #5865F2;
    --secondary-color: #7289DA;
    --success-color: #43B581;
    --danger-color: #F04747;
    --warning-color: #FAA61A;
    --info-color: #00B0F4;
    --dark-color: #2C2F33;
    --light-color: #f8f9fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f5f7fa;
    padding-top: 56px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    margin-bottom: 60px;
}

/* Navbar Styling */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.25rem;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    transition: color 0.3s ease;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #fff;
}

.dropdown-menu {
    border-radius: 8px;
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.2s;
}

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

.dropdown-item {
    transition: background-color 0.2s ease;
    padding: 0.5rem 1rem;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
}

.dropdown-item i {
    width: 20px;
}

/* Card Styling */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.card-header {
    background-color: #fff;
    border-bottom: 2px solid var(--primary-color);
    border-radius: 12px 12px 0 0 !important;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Button Styling */
.btn {
    border-radius: 6px;
    padding: 0.5rem 1.25rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #4752C4;
    border-color: #4752C4;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(88, 101, 242, 0.3);
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
}

/* Table Styling */
.table {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.table thead th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

.table td {
    padding: 0.875rem 1rem;
    vertical-align: middle;
}

/* Form Styling */
.form-control, .form-select {
    border-radius: 6px;
    border: 1px solid #dee2e6;
    padding: 0.625rem 0.875rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(88, 101, 242, 0.25);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Alert Styling */
.alert {
    border: none;
    border-radius: 8px;
    padding: 1rem 1.25rem;
    animation: slideIn 0.3s ease;
}

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

/* Badge Styling */
.badge {
    padding: 0.35rem 0.65rem;
    font-weight: 500;
    border-radius: 4px;
}

/* Footer Styling */
.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 1rem 0;
    background-color: #fff;
    border-top: 1px solid #dee2e6;
    z-index: 100;
}

/* Dashboard Stats Cards */
.stat-card {
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.stat-card .stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-card .stat-label {
    color: #6c757d;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Announcement Banner */
.announcement-banner {
    position: sticky;
    top: 56px;
    z-index: 1020;
}

/* Status Indicators */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-active {
    background-color: #d4edda;
    color: #155724;
}

.status-pending {
    background-color: #fff3cd;
    color: #856404;
}

.status-resolved {
    background-color: #cce5ff;
    color: #004085;
}

.status-denied {
    background-color: #f8d7da;
    color: #721c24;
}

/* Loading Spinner */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3em;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }

    .card {
        margin-bottom: 1rem;
    }

    .table {
        font-size: 0.875rem;
    }

    .footer {
        position: relative;
        margin-top: 2rem;
    }
}

/* Smooth theme transitions */
body,
.card,
.card-header,
.card-body,
.navbar,
.table,
.form-control,
.form-select,
.dropdown-menu,
.modal-content,
.list-group-item,
.bg-light,
.bg-white,
.text-muted {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Theme Toggle Button Styles */
#theme-toggle {
    background: transparent !important;
    padding: 0.375rem 0.75rem;
}

#theme-toggle:hover {
    opacity: 0.8;
}

#theme-toggle:focus {
    outline: none;
    box-shadow: none;
}

/* Dark Mode Support */
[data-bs-theme="dark"] {
    body {
        background-color: #1a1a1a;
        color: #e0e0e0;
    }

    .card {
        background-color: #2a2a2a;
        color: #e0e0e0;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .card-header {
        background-color: #2a2a2a;
        color: #e0e0e0;
        border-bottom: 2px solid var(--primary-color);
    }

    .card-body {
        color: #e0e0e0;
    }

    .table {
        background-color: #2a2a2a;
        color: #e0e0e0;
    }

    .table thead th {
        background-color: var(--primary-color);
        color: white;
    }

    .table tbody tr {
        background-color: #2a2a2a;
    }

    .table tbody tr:hover {
        background-color: #3a3a3a;
    }

    .table td, .table th {
        color: #e0e0e0;
        border-color: #444;
        background-color: transparent;
    }

    .table-striped tbody tr:nth-of-type(odd) {
        background-color: #252525;
    }

    .table-striped tbody tr:nth-of-type(even) {
        background-color: #2a2a2a;
    }

    .form-control, .form-select {
        background-color: #2a2a2a;
        color: #e0e0e0;
        border-color: #444;
    }

    .form-control:focus, .form-select:focus {
        background-color: #2a2a2a;
        color: #e0e0e0;
        border-color: var(--primary-color);
    }

    .form-label {
        color: #e0e0e0;
    }

    .dropdown-menu {
        background-color: #2a2a2a;
        border: 1px solid #444;
    }

    .dropdown-item {
        color: #e0e0e0;
    }

    .dropdown-item:hover {
        background-color: #3a3a3a;
        color: #e0e0e0;
    }

    .modal-content {
        background-color: #2a2a2a;
        color: #e0e0e0;
    }

    .modal-header, .modal-footer {
        border-color: #444;
    }

    .btn-close {
        filter: invert(1);
    }

    .form-text {
        color: #b0b0b0 !important;
    }

    .footer {
        background-color: #2a2a2a !important;
        border-top-color: #444;
    }

    .footer .text-muted {
        color: #b0b0b0 !important;
    }

    .stat-card {
        background: #2a2a2a;
        color: #e0e0e0;
    }

    .stat-card .stat-label {
        color: #b0b0b0;
    }

    .list-group-item {
        background-color: #2a2a2a;
        color: #e0e0e0;
        border-color: #444;
    }

    .list-group-item:hover {
        background-color: #3a3a3a;
    }

    .text-muted {
        color: #b0b0b0 !important;
    }

    .text-dark {
        color: #e0e0e0 !important;
    }

    .bg-light {
        background-color: #2a2a2a !important;
    }

    .bg-white {
        background-color: #2a2a2a !important;
    }

    .border {
        border-color: #444 !important;
    }

    .page-link {
        background-color: #2a2a2a;
        color: #e0e0e0;
        border-color: #444;
    }

    .page-link:hover {
        background-color: #3a3a3a;
        color: #e0e0e0;
        border-color: var(--primary-color);
    }

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

    /* Fix for input group addons */
    .input-group-text {
        background-color: #3a3a3a;
        color: #e0e0e0;
        border-color: #444;
    }

    /* Fix for badges in dark mode */
    .badge {
        opacity: 0.9;
    }

    /* Fix for breadcrumbs */
    .breadcrumb {
        background-color: #2a2a2a;
    }

    .breadcrumb-item + .breadcrumb-item::before {
        color: #b0b0b0;
    }

    /* Fix for nav tabs */
    .nav-tabs .nav-link {
        color: #e0e0e0;
        background-color: transparent;
        border-color: #444;
    }

    .nav-tabs .nav-link.active {
        color: #e0e0e0;
        background-color: #2a2a2a;
        border-color: #444 #444 #2a2a2a;
    }

    .nav-tabs .nav-link:hover {
        border-color: #555;
    }

    /* Fix for alerts in dark mode */
    .alert {
        filter: brightness(0.8);
    }

    /* Fix for warning headers with text-dark in dark mode */
    .bg-warning.text-dark {
        color: #000 !important; /* Keep black text on warning background */
    }

    /* Ensure warning badges remain readable */
    .badge.bg-warning.text-dark {
        color: #000 !important;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Staff Roster Styles */
.roster-grid {
    display: flex;
    flex-wrap: wrap;
}

.roster-card {
    transition: transform 0.2s, box-shadow 0.2s !important;
    border: 1px solid rgba(0, 0, 0, 0.125) !important;
    background-color: #ffffff !important;
    color: #212529 !important;
}

.roster-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15) !important;
}

.roster-card .card-body {
    padding: 1.25rem;
    background-color: transparent !important;
    color: inherit !important;
}

.roster-card .card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #212529 !important;
}

.roster-card .text-muted {
    color: #6c757d !important;
}

.roster-card img {
    border: 2px solid #dee2e6;
}

.roster-card .badge {
    font-size: 0.75rem;
}

/* Dark mode support for roster cards */
@media (prefers-color-scheme: dark) {
    .roster-card {
        background-color: #2a2a2a !important;
        border-color: #444 !important;
        color: #e0e0e0 !important;
    }

    .roster-card .card-title {
        color: #e0e0e0 !important;
    }

    .roster-card .text-muted {
        color: #adb5bd !important;
    }

    .roster-card:hover {
        box-shadow: 0 4px 8px rgba(255, 255, 255, 0.1) !important;
    }

    .roster-card img {
        border-color: #444;
    }
}