/* ============================================
   CEDAR Design System
   Caribbean Education Data & Administration Registry
   ============================================ */

/* ----------------------------------------
   CSS Variables - Color Palette
   ---------------------------------------- */
:root {
    /* Primary Colors - Caribbean Ocean Blue */
    --cedar-primary: #0066B3;
    --cedar-primary-light: #3399CC;
    --cedar-primary-dark: #004A82;
    --cedar-primary-rgb: 0, 102, 179;

    /* Secondary Colors - Tropical Teal */
    --cedar-secondary: #00A19B;
    --cedar-secondary-light: #33C4BF;
    --cedar-secondary-dark: #007872;

    /* Accent Colors - Sunset Orange */
    --cedar-accent: #FF6B35;
    --cedar-accent-light: #FF8C5F;
    --cedar-accent-dark: #E55A28;

    /* Semantic Colors */
    --cedar-success: #28A745;
    --cedar-success-light: #D4EDDA;
    --cedar-warning: #FFC107;
    --cedar-warning-light: #FFF3CD;
    --cedar-danger: #DC3545;
    --cedar-danger-light: #F8D7DA;
    --cedar-info: #17A2B8;
    --cedar-info-light: #D1ECF1;

    /* Neutral Colors */
    --cedar-gray-100: #F8F9FA;
    --cedar-gray-200: #E9ECEF;
    --cedar-gray-300: #DEE2E6;
    --cedar-gray-400: #CED4DA;
    --cedar-gray-500: #ADB5BD;
    --cedar-gray-600: #6C757D;
    --cedar-gray-700: #495057;
    --cedar-gray-800: #343A40;
    --cedar-gray-900: #212529;

    /* Background Colors */
    --cedar-bg-light: #F8FAFC;
    --cedar-bg-card: #FFFFFF;
    --cedar-bg-dark: #1A2332;

    /* Text Colors */
    --cedar-text-primary: #212529;
    --cedar-text-secondary: #6C757D;
    --cedar-text-muted: #ADB5BD;
    --cedar-text-light: #FFFFFF;

    /* Shadows */
    --cedar-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --cedar-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    --cedar-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.125);
    --cedar-shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);

    /* Border Radius */
    --cedar-radius-sm: 0.25rem;
    --cedar-radius: 0.5rem;
    --cedar-radius-lg: 0.75rem;
    --cedar-radius-xl: 1rem;
    --cedar-radius-pill: 50rem;

    /* Transitions */
    --cedar-transition-fast: 0.15s ease-in-out;
    --cedar-transition: 0.3s ease-in-out;
    --cedar-transition-slow: 0.5s ease-in-out;

    /* Spacing */
    --cedar-spacing-xs: 0.25rem;
    --cedar-spacing-sm: 0.5rem;
    --cedar-spacing-md: 1rem;
    --cedar-spacing-lg: 1.5rem;
    --cedar-spacing-xl: 2rem;
    --cedar-spacing-xxl: 3rem;
}

/* ----------------------------------------
   Typography
   ---------------------------------------- */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--cedar-text-primary);
    background-color: var(--cedar-bg-light);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--cedar-gray-800);
}

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

/* ----------------------------------------
   Layout Components
   ---------------------------------------- */

/* Page Header */
.cedar-page-header {
    padding: var(--cedar-spacing-lg) 0;
    margin-bottom: var(--cedar-spacing-xl);
    border-bottom: 1px solid var(--cedar-gray-200);
}

.cedar-page-header h1 {
    margin-bottom: 0.25rem;
}

.cedar-page-header .breadcrumb {
    margin-bottom: 0;
    background: transparent;
    padding: 0;
}

/* Cards */
.cedar-card {
    background: var(--cedar-bg-card);
    border: none;
    border-radius: var(--cedar-radius-lg);
    box-shadow: var(--cedar-shadow-card);
    transition: box-shadow var(--cedar-transition);
}

.cedar-card:hover {
    box-shadow: var(--cedar-shadow);
}

.cedar-card-header {
    background: transparent;
    border-bottom: 1px solid var(--cedar-gray-200);
    padding: var(--cedar-spacing-lg);
    font-weight: 600;
}

.cedar-card-body {
    padding: var(--cedar-spacing-lg);
}

/* Stat Cards */
.cedar-stat-card {
    background: var(--cedar-bg-card);
    border-radius: var(--cedar-radius-lg);
    padding: var(--cedar-spacing-lg);
    box-shadow: var(--cedar-shadow-card);
    transition: transform var(--cedar-transition), box-shadow var(--cedar-transition);
}

.cedar-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--cedar-shadow);
}

.cedar-stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--cedar-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.cedar-stat-card .stat-icon.primary { background: rgba(0, 102, 179, 0.1); color: var(--cedar-primary); }
.cedar-stat-card .stat-icon.secondary { background: rgba(0, 161, 155, 0.1); color: var(--cedar-secondary); }
.cedar-stat-card .stat-icon.accent { background: rgba(255, 107, 53, 0.1); color: var(--cedar-accent); }
.cedar-stat-card .stat-icon.success { background: rgba(40, 167, 69, 0.1); color: var(--cedar-success); }
.cedar-stat-card .stat-icon.warning { background: rgba(255, 193, 7, 0.1); color: var(--cedar-warning); }
.cedar-stat-card .stat-icon.danger { background: rgba(220, 53, 69, 0.1); color: var(--cedar-danger); }

.cedar-stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--cedar-gray-800);
    line-height: 1.2;
}

.cedar-stat-card .stat-label {
    font-size: 0.875rem;
    color: var(--cedar-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ----------------------------------------
   Buttons
   ---------------------------------------- */
.cedar-btn {
    padding: 0.5rem 1.25rem;
    font-weight: 500;
    border-radius: var(--cedar-radius);
    transition: all var(--cedar-transition-fast);
    border: 2px solid transparent;
}

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

.cedar-btn-primary:hover {
    background: var(--cedar-primary-dark);
    border-color: var(--cedar-primary-dark);
    color: white;
    transform: translateY(-1px);
}

.cedar-btn-secondary {
    background: var(--cedar-secondary);
    color: white;
    border-color: var(--cedar-secondary);
}

.cedar-btn-secondary:hover {
    background: var(--cedar-secondary-dark);
    border-color: var(--cedar-secondary-dark);
    color: white;
}

.cedar-btn-outline {
    background: transparent;
    border-color: var(--cedar-gray-300);
    color: var(--cedar-text-primary);
}

.cedar-btn-outline:hover {
    background: var(--cedar-gray-100);
    border-color: var(--cedar-gray-400);
}

/* ----------------------------------------
   Forms
   ---------------------------------------- */
.cedar-form-control {
    border: 1px solid var(--cedar-gray-300);
    border-radius: var(--cedar-radius);
    padding: 0.625rem 0.875rem;
    transition: border-color var(--cedar-transition-fast), box-shadow var(--cedar-transition-fast);
}

.cedar-form-control:focus {
    border-color: var(--cedar-primary);
    box-shadow: 0 0 0 3px rgba(var(--cedar-primary-rgb), 0.15);
    outline: none;
}

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

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

.cedar-form-label {
    font-weight: 500;
    color: var(--cedar-gray-700);
    margin-bottom: 0.375rem;
}

.cedar-form-text {
    font-size: 0.875rem;
    color: var(--cedar-text-secondary);
    margin-top: 0.25rem;
}

/* Form validation states */
.cedar-validation-error {
    color: var(--cedar-danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.cedar-validation-error::before {
    content: '\f33a';
    font-family: 'Bootstrap Icons';
}

/* ----------------------------------------
   Tables
   ---------------------------------------- */
.cedar-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.cedar-table thead th {
    background: var(--cedar-gray-100);
    border-bottom: 2px solid var(--cedar-gray-300);
    padding: 0.875rem 1rem;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--cedar-text-secondary);
}

.cedar-table tbody td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--cedar-gray-200);
    vertical-align: middle;
}

.cedar-table tbody tr:hover {
    background: var(--cedar-gray-100);
}

.cedar-table tbody tr:last-child td {
    border-bottom: none;
}

/* ----------------------------------------
   Navigation
   ---------------------------------------- */
.cedar-navbar {
    background: var(--cedar-bg-card) !important;
    box-shadow: var(--cedar-shadow-sm);
    padding: 0.75rem 0;
}

.cedar-navbar .navbar-brand {
    font-weight: 700;
    color: var(--cedar-primary) !important;
    font-size: 1.5rem;
}

.cedar-sidebar {
    background: var(--cedar-bg-dark);
    min-height: 100vh;
    width: 260px;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    transition: transform var(--cedar-transition);
}

.cedar-sidebar .nav-link {
    color: rgba(255, 255, 255, 0.7);
    padding: 0.75rem 1.25rem;
    border-radius: var(--cedar-radius);
    margin: 0.125rem 0.75rem;
    transition: all var(--cedar-transition-fast);
}

.cedar-sidebar .nav-link:hover,
.cedar-sidebar .nav-link.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.cedar-sidebar .nav-link i {
    width: 24px;
    margin-right: 0.75rem;
}

/* ----------------------------------------
   Badges & Pills
   ---------------------------------------- */
.cedar-badge {
    padding: 0.35rem 0.75rem;
    font-weight: 500;
    font-size: 0.75rem;
    border-radius: var(--cedar-radius-pill);
}

.cedar-badge-primary { background: rgba(var(--cedar-primary-rgb), 0.15); color: var(--cedar-primary); }
.cedar-badge-success { background: var(--cedar-success-light); color: var(--cedar-success); }
.cedar-badge-warning { background: var(--cedar-warning-light); color: #856404; }
.cedar-badge-danger { background: var(--cedar-danger-light); color: var(--cedar-danger); }
.cedar-badge-info { background: var(--cedar-info-light); color: var(--cedar-info); }

/* ----------------------------------------
   Toast Notifications
   ---------------------------------------- */
.cedar-toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 400px;
}

.cedar-toast {
    background: var(--cedar-bg-card);
    border-radius: var(--cedar-radius-lg);
    box-shadow: var(--cedar-shadow-lg);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: slideInRight 0.3s ease-out;
    border-left: 4px solid var(--cedar-primary);
}

.cedar-toast.success { border-left-color: var(--cedar-success); }
.cedar-toast.warning { border-left-color: var(--cedar-warning); }
.cedar-toast.danger { border-left-color: var(--cedar-danger); }
.cedar-toast.info { border-left-color: var(--cedar-info); }

.cedar-toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.cedar-toast.success .cedar-toast-icon { color: var(--cedar-success); }
.cedar-toast.warning .cedar-toast-icon { color: var(--cedar-warning); }
.cedar-toast.danger .cedar-toast-icon { color: var(--cedar-danger); }
.cedar-toast.info .cedar-toast-icon { color: var(--cedar-info); }

.cedar-toast-content {
    flex: 1;
}

.cedar-toast-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.cedar-toast-message {
    font-size: 0.875rem;
    color: var(--cedar-text-secondary);
}

.cedar-toast-close {
    background: none;
    border: none;
    color: var(--cedar-text-muted);
    cursor: pointer;
    padding: 0;
    font-size: 1.25rem;
    line-height: 1;
}

.cedar-toast-close:hover {
    color: var(--cedar-text-primary);
}

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

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

/* ----------------------------------------
   Loading States
   ---------------------------------------- */
.cedar-loading {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--cedar-gray-300);
    border-radius: 50%;
    border-top-color: var(--cedar-primary);
    animation: spin 0.8s linear infinite;
}

.cedar-loading-lg {
    width: 3rem;
    height: 3rem;
    border-width: 3px;
}

.cedar-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    flex-direction: column;
    gap: 1rem;
}

.cedar-loading-overlay .loading-text {
    color: var(--cedar-text-secondary);
    font-size: 0.875rem;
}

.cedar-skeleton {
    background: linear-gradient(90deg, var(--cedar-gray-200) 25%, var(--cedar-gray-100) 50%, var(--cedar-gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--cedar-radius);
}

.cedar-skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.cedar-skeleton-text.short { width: 60%; }
.cedar-skeleton-text.medium { width: 80%; }

.cedar-skeleton-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.cedar-skeleton-card {
    height: 120px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

/* ----------------------------------------
   Dashboard Widgets
   ---------------------------------------- */
.cedar-widget {
    background: var(--cedar-bg-card);
    border-radius: var(--cedar-radius-lg);
    box-shadow: var(--cedar-shadow-card);
    overflow: hidden;
}

.cedar-widget-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--cedar-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cedar-widget-title {
    font-weight: 600;
    font-size: 1rem;
    margin: 0;
}

.cedar-widget-body {
    padding: 1.25rem;
}

/* Quick Actions */
.cedar-quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    background: var(--cedar-gray-100);
    border-radius: var(--cedar-radius-lg);
    text-decoration: none;
    color: var(--cedar-text-primary);
    transition: all var(--cedar-transition);
}

.cedar-quick-action:hover {
    background: var(--cedar-primary);
    color: white;
    transform: translateY(-2px);
}

.cedar-quick-action i {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.cedar-quick-action span {
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
}

/* ----------------------------------------
   Avatar & User
   ---------------------------------------- */
.cedar-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--cedar-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.cedar-avatar-sm { width: 32px; height: 32px; font-size: 0.875rem; }
.cedar-avatar-lg { width: 56px; height: 56px; font-size: 1.25rem; }
.cedar-avatar-xl { width: 80px; height: 80px; font-size: 1.75rem; }

/* ----------------------------------------
   Search
   ---------------------------------------- */
.cedar-search {
    position: relative;
}

.cedar-search-input {
    padding-left: 2.5rem;
    background: var(--cedar-gray-100);
    border: none;
    border-radius: var(--cedar-radius-pill);
}

.cedar-search-input:focus {
    background: var(--cedar-bg-card);
    box-shadow: var(--cedar-shadow);
}

.cedar-search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cedar-text-muted);
}

.cedar-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--cedar-bg-card);
    border-radius: var(--cedar-radius-lg);
    box-shadow: var(--cedar-shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    margin-top: 0.5rem;
}

.cedar-search-result-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background var(--cedar-transition-fast);
}

.cedar-search-result-item:hover {
    background: var(--cedar-gray-100);
}

/* ----------------------------------------
   Responsive / Mobile
   ---------------------------------------- */
@media (max-width: 991.98px) {
    .cedar-sidebar {
        transform: translateX(-100%);
    }

    .cedar-sidebar.show {
        transform: translateX(0);
    }

    .cedar-main-content {
        margin-left: 0;
    }

    .cedar-mobile-nav-toggle {
        display: block !important;
    }
}

@media (min-width: 992px) {
    .cedar-main-content {
        margin-left: 260px;
    }

    .cedar-mobile-nav-toggle {
        display: none !important;
    }
}

@media (max-width: 767.98px) {
    .cedar-stat-card .stat-value {
        font-size: 1.5rem;
    }

    .cedar-page-header {
        padding: var(--cedar-spacing-md) 0;
    }

    .cedar-quick-action {
        padding: 1rem;
    }

    .cedar-quick-action i {
        font-size: 1.5rem;
    }

    .cedar-toast-container {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
}

/* ----------------------------------------
   Utilities
   ---------------------------------------- */
.cedar-divider {
    border-top: 1px solid var(--cedar-gray-200);
    margin: var(--cedar-spacing-lg) 0;
}

.cedar-clickable {
    cursor: pointer;
    transition: opacity var(--cedar-transition-fast);
}

.cedar-clickable:hover {
    opacity: 0.85;
}

.cedar-truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cedar-fade-in {
    animation: fadeIn 0.3s ease-in;
}

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

/* Empty States */
.cedar-empty-state {
    text-align: center;
    padding: var(--cedar-spacing-xxl);
}

.cedar-empty-state i {
    font-size: 4rem;
    color: var(--cedar-gray-400);
    margin-bottom: var(--cedar-spacing-md);
}

.cedar-empty-state h4 {
    color: var(--cedar-gray-600);
    margin-bottom: var(--cedar-spacing-sm);
}

.cedar-empty-state p {
    color: var(--cedar-text-secondary);
}