:root {
    --primary: #2d6a4f;
    --primary-dark: #1b4332;
    --primary-light: #40916c;
    --accent: #d4a843;
    --accent-light: #e9c46a;
    --bg-light: #f8f9fa;
    --bg-card: #ffffff;
    --text-dark: #1b4332;
    --text-muted: #6c757d;
    --border-light: #e9ecef;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f5f7fa;
    color: #212529;
}

/* Sidebar Styles */
.sidebar {
    border-right: 1px solid var(--border-light);
}
.sidebar .nav-link {
    color: #495057;
    padding: 0.6rem 1.2rem;
    border-radius: 0.5rem;
    margin: 0.15rem 0.5rem;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}
.sidebar .nav-link:hover {
    background-color: rgba(45, 106, 79, 0.08);
    color: var(--primary);
}
.sidebar .nav-link i {
    width: 20px;
    text-align: center;
}

/* Card Styles */
.card {
    border-radius: var(--radius-md);
    transition: box-shadow 0.3s ease;
}
.card:hover {
    box-shadow: var(--shadow-md);
}
.card-header {
    border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
}

/* Stat Cards */
.stat-card {
    transition: all 0.3s ease;
    border-radius: var(--radius-md);
    overflow: hidden;
}
.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.stat-card .card-body {
    padding: 1.25rem;
}

/* Group Cards */
.group-card {
    transition: all 0.3s ease;
}
.group-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Button Styles */
.btn-primary {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
}
.btn-primary:hover {
    background-color: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
}
.btn-success {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
}
.btn-success:hover {
    background-color: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
}
.btn-outline-success {
    color: var(--primary) !important;
    border-color: var(--primary) !important;
}
.btn-outline-success:hover {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
    color: #fff !important;
}
.btn-accent {
    background-color: var(--accent) !important;
    border-color: var(--accent) !important;
    color: #fff !important;
}
.btn-accent:hover {
    background-color: #b8922f !important;
    border-color: #b8922f !important;
    color: #fff !important;
}
.btn-outline-accent {
    color: var(--accent) !important;
    border-color: var(--accent) !important;
}
.btn-outline-accent:hover {
    background-color: var(--accent) !important;
    color: #fff !important;
}

/* Badge Styles */
.badge {
    font-weight: 500;
    letter-spacing: 0.3px;
    padding: 0.35em 0.65em;
}

/* Arabic Text */
.arabic-display {
    font-family: 'Traditional Arabic', 'Scheherazade New', 'Amiri', serif;
    font-size: 2rem;
    line-height: 2.5;
    text-align: right;
    direction: rtl;
}

/* Achievement Badge */
.badge-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: transform 0.3s ease;
}
.badge-circle.earned {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    box-shadow: 0 3px 12px rgba(212, 168, 67, 0.4);
}
.badge-circle.locked {
    background-color: #e9ecef;
    color: #adb5bd;
}
.badge-circle:hover {
    transform: scale(1.1);
}
.achievement-badge {
    cursor: pointer;
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}
.spinner-border.text-primary {
    color: var(--primary) !important;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1060;
}
.toast-custom {
    background: #fff;
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow-md);
    padding: 0.75rem 1rem;
    min-width: 280px;
    animation: slideInRight 0.3s ease;
}
.toast-custom.success {
    border-left-color: var(--primary);
}
.toast-custom.error {
    border-left-color: #dc3545;
}
.toast-custom.warning {
    border-left-color: var(--accent);
}
@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Table Styles */
.table > thead {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.table > tbody {
    font-size: 0.9rem;
}

/* Form Styles */
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(45, 106, 79, 0.2);
}
.form-control, .form-select {
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
}

/* Progress Bar */
.progress {
    border-radius: 10px;
    background-color: #e9ecef;
}
.progress-bar {
    border-radius: 10px;
    background-color: var(--primary);
}

/* Flash Messages */
.alert {
    border-radius: var(--radius-sm);
    border: none;
    box-shadow: var(--shadow-sm);
}
.alert-success {
    background-color: rgba(45, 106, 79, 0.1);
    color: var(--primary-dark);
}
.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: #842029;
}
.alert-warning {
    background-color: rgba(212, 168, 67, 0.15);
    color: #856404;
}
.alert-info {
    background-color: rgba(13, 202, 240, 0.1);
    color: #055160;
}

/* Dropdown */
.dropdown-item:active {
    background-color: var(--primary);
}

/* Navbar */
.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
}
.navbar-dark .navbar-nav .nav-link:hover {
    color: #fff;
}

/* Breadcrumb */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
}
.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
}

/* Link Colors */
a {
    color: var(--primary);
}
a:hover {
    color: var(--primary-dark);
}

/* Page Header */
.page-header {
    border-bottom: 2px solid var(--border-light);
    padding-bottom: 0.75rem;
    margin-bottom: 1.5rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    main {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
    .stat-card h3 {
        font-size: 1.5rem;
    }
    .arabic-text {
        font-size: 1.3rem !important;
        line-height: 2 !important;
    }
}

/* Print Styles */
@media print {
    .sidebar, .navbar, .btn, footer {
        display: none !important;
    }
    .card {
        box-shadow: none !important;
        border: 1px solid #dee2e6 !important;
    }
}

/* Utility Classes */
.text-accent {
    color: var(--accent) !important;
}
.bg-primary-gradient {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary)) !important;
}
.border-accent {
    border-color: var(--accent) !important;
}