/* AI Adoptie Academy - Stylesheet */

:root {
    --primary: #00b090;
    --primary-light: #33c4a8;
    --primary-dark: #008361;
    --primary-bg: #e6f7f3;
    --accent: #004d40;
    --success: #00b090;
    --warning: #fea419;
    --danger: #fc5185;
    --gray-50: #F9FAFB;
    --gray-100: #f2f3f6;
    --gray-200: #dadce0;
    --gray-300: #D1D5DB;
    --gray-400: #727586;
    --gray-500: #727586;
    --gray-600: #36344d;
    --gray-700: #36344d;
    --gray-800: #1a2e2a;
    --gray-900: #1d1e20;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
    --transition: all 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
}

/* ============ LOGIN PAGE ============ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #004d40 0%, #00695c 30%, #00b090 70%, #33c4a8 100%);
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: var(--radius);
    padding: 48px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.login-card .logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-card .logo h1 {
    font-size: 24px;
    color: var(--primary);
    margin-top: 12px;
}

.login-card .logo p {
    color: var(--gray-500);
    font-size: 14px;
    margin-top: 4px;
}

/* ============ FORMS ============ */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--gray-800);
    background: white;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(103, 61, 230, 0.15);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover { background: var(--primary-dark); }

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

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

.btn-outline {
    background: white;
    color: var(--gray-700);
    border: 1.5px solid var(--gray-200);
}
.btn-outline:hover { border-color: var(--gray-400); }

.btn-full { width: 100%; justify-content: center; }

.btn-sm { padding: 6px 12px; font-size: 13px; }

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 16px;
}
.alert-error { background: #ffe8ef; color: var(--danger); border: 1px solid #ffb8cc; }
.alert-success { background: #e6f7f3; color: var(--success); border: 1px solid #80d8c4; }

/* ============ APP LAYOUT ============ */
.app {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: white;
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.sidebar-header h2 {
    font-size: 18px;
    color: var(--primary);
}

.sidebar-header .org-name {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    color: var(--gray-600);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 2px;
}

.nav-item:hover {
    background: var(--gray-100);
    color: var(--gray-800);
}

.nav-item.active {
    background: var(--primary-bg);
    color: var(--primary);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-divider {
    height: 1px;
    background: var(--gray-100);
    margin: 12px 16px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--gray-100);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-light);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-details .name {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-details .role {
    font-size: 12px;
    color: var(--gray-400);
}

/* Main content */
.main {
    flex: 1;
    margin-left: 260px;
    padding: 32px;
    max-width: 1200px;
}

.page-header {
    margin-bottom: 28px;
}

.page-header h1 {
    font-size: 24px;
    color: var(--gray-900);
}

.page-header p {
    color: var(--gray-500);
    font-size: 14px;
    margin-top: 4px;
}

/* ============ DASHBOARD ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.stat-card .stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 2px;
}

/* Progress bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-100);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar .progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-bar.success .progress-fill { background: var(--success); }

/* ============ CONTENT CARDS ============ */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.content-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

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

.content-card.completed {
    border-left: 4px solid var(--success);
}

.card-thumbnail {
    height: 160px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 40px;
    position: relative;
}

.card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-type-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0,0,0,0.5);
    color: white;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.card-body {
    padding: 20px;
}

.card-body h3 {
    font-size: 16px;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.card-body p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--gray-400);
}

.card-footer .check-complete {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--success);
    font-weight: 500;
}

/* ============ CATEGORY CARDS ============ */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.category-card {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
}

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

.category-card h3 {
    font-size: 16px;
    margin: 12px 0 4px;
}

.category-card .cat-meta {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 12px;
}

/* ============ CONTENT VIEWER ============ */
.content-viewer {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
    max-width: 800px;
}

.content-viewer h1 {
    font-size: 22px;
    margin-bottom: 8px;
}

.content-viewer .meta {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 20px;
    display: flex;
    gap: 16px;
}

.content-viewer .body {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray-700);
}

.content-viewer .body p { margin-bottom: 16px; }

.video-embed {
    position: relative;
    padding-bottom: 56.25%;
    margin-bottom: 24px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ============ ADMIN ============ */
.admin-table {
    width: 100%;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.admin-table table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th {
    text-align: left;
    padding: 14px 20px;
    background: var(--gray-50);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    border-bottom: 1px solid var(--gray-200);
}

.admin-table td {
    padding: 14px 20px;
    font-size: 14px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

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

.admin-table tr:hover td { background: var(--gray-50); }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}
.badge-blue { background: var(--primary-bg); color: var(--primary); }
.badge-green { background: #e6f7f3; color: var(--success); }
.badge-yellow { background: #fff5e0; color: var(--warning); }
.badge-red { background: #ffe8ef; color: var(--danger); }

/* ============ MODAL ============ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal h2 {
    font-size: 20px;
    margin-bottom: 20px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* ============ TOOLBAR ============ */
.toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.toolbar .search-input {
    flex: 1;
    min-width: 200px;
    padding: 8px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.toolbar .search-input:focus {
    outline: none;
    border-color: var(--primary);
}

/* ============ EMPTY STATE ============ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-400);
}

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 8px;
}

/* ============ MOBILE ============ */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 16px;
    align-items: center;
    justify-content: space-between;
    z-index: 101;
}

.hamburger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 99;
}

@media (max-width: 768px) {
    .mobile-header { display: flex; }
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-overlay.active { display: block; }
    .main { margin-left: 0; padding: 72px 16px 16px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .content-grid { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: 1fr; }
    .modal { width: 95%; padding: 24px; }
}

/* ============ LOADING ============ */
.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-center {
    display: flex;
    justify-content: center;
    padding: 60px;
}

/* ============ TABS ============ */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--gray-100);
    margin-bottom: 24px;
}

.tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-500);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
}

.tab:hover { color: var(--gray-700); }
.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}