/* =====================================================
   OLIMAN3 - Design System
   Kombinasi Hijau Teal + Biru Royal | Modern & Elegan
   ===================================================== */

/* CSS Variables */
:root {
    --primary: #0D9488;
    --primary-light: #14B8A6;
    --primary-dark: #0F766E;
    --primary-50: #F0FDFA;
    --primary-100: #CCFBF1;
    --secondary: #2563EB;
    --secondary-light: #3B82F6;
    --secondary-dark: #1D4ED8;
    --secondary-50: #EFF6FF;
    --secondary-100: #DBEAFE;
    --accent: #06B6D4;
    --gradient-1: linear-gradient(135deg, #0D9488 0%, #2563EB 100%);
    --gradient-2: linear-gradient(135deg, #14B8A6 0%, #3B82F6 100%);
    --gradient-3: linear-gradient(160deg, #0F766E 0%, #1D4ED8 100%);
    --bg-primary: #F0F4F8;
    --bg-card: #FFFFFF;
    --bg-sidebar: linear-gradient(180deg, #0F2027 0%, #0D1B2A 50%, #1B2838 100%);
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-light: #94A3B8;
    --text-white: #F8FAFC;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --sidebar-width: 270px;
    --topbar-height: 65px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 0.875rem; }
img { max-width: 100%; height: auto; }

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

/* ===== SIDEBAR ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    overflow-y: auto;
    overflow-x: hidden;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 4px; }

.sidebar-header {
    padding: 20px 20px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sidebar-logo { display: flex; align-items: center; gap: 12px; }
.logo-icon {
    width: 42px; height: 42px;
    background: var(--gradient-2);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; color: white;
    box-shadow: 0 4px 15px rgba(13,148,136,0.4);
}
.logo-text h1 {
    font-size: 1.2rem; font-weight: 800; color: white;
    letter-spacing: 1px;
    background: var(--gradient-2);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.logo-text span { font-size: 0.65rem; color: var(--text-light); letter-spacing: 0.5px; text-transform: uppercase; }
.sidebar-close { display: none; color: var(--text-light); font-size: 1.2rem; padding: 5px; }

.sidebar-user {
    margin: 15px 15px 10px;
    padding: 15px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius);
    display: flex; align-items: center; gap: 12px;
    border: 1px solid rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
}
.user-avatar { font-size: 2.2rem; color: var(--primary-light); }
.user-info h4 { font-size: 0.8rem; color: white; font-weight: 600; line-height: 1.3; }
.user-role-badge {
    font-size: 0.6rem; padding: 2px 8px; border-radius: 20px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.5px; display: inline-block; margin-top: 2px;
}
.role-superadmin { background: rgba(239,68,68,0.2); color: #FCA5A5; }
.role-pembina { background: rgba(13,148,136,0.2); color: #5EEAD4; }
.role-ketua_olimpiade { background: rgba(37,99,235,0.2); color: #93C5FD; }
.role-ketua_club { background: rgba(124,58,237,0.2); color: #C4B5FD; }
.role-murid { background: rgba(245,158,11,0.2); color: #FCD34D; }

.sidebar-nav { flex: 1; padding: 10px 12px; display: flex; flex-direction: column; gap: 2px; }
.nav-link {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 15px; border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.6); font-size: 0.82rem; font-weight: 500;
    transition: var(--transition); position: relative;
}
.nav-link:hover {
    background: rgba(255,255,255,0.08); color: white;
    transform: translateX(3px);
}
.nav-link.active {
    background: var(--gradient-2); color: white;
    box-shadow: 0 4px 15px rgba(13,148,136,0.3);
}
.nav-link.active::before {
    content: ''; position: absolute; left: 0; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 60%; background: white;
    border-radius: 0 3px 3px 0;
}
.nav-link i { width: 20px; text-align: center; font-size: 0.9rem; }

.sidebar-footer { padding: 15px 12px; border-top: 1px solid rgba(255,255,255,0.08); }
.logout-btn {
    width: 100%; justify-content: flex-start; color: rgba(255,255,255,0.5) !important;
    font-size: 0.82rem !important;
}
.logout-btn:hover { color: #FCA5A5 !important; background: rgba(239,68,68,0.1) !important; }

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1; margin-left: var(--sidebar-width);
    min-height: 100vh; display: flex; flex-direction: column;
}

/* ===== TOPBAR ===== */
.topbar {
    height: var(--topbar-height);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center;
    padding: 0 25px; gap: 20px;
    position: sticky; top: 0; z-index: 100;
    box-shadow: var(--shadow-sm);
}
.hamburger { display: none; font-size: 1.2rem; color: var(--text-secondary); padding: 8px; }
.topbar-title h2 { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 15px; }
.topbar-date { font-size: 0.8rem; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; }

/* ===== CONTENT AREA ===== */
.content-area { padding: 25px; flex: 1; }

/* ===== ALERTS ===== */
.alert {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 18px; border-radius: var(--radius-sm);
    margin-bottom: 20px; font-size: 0.85rem; font-weight: 500;
    animation: slideDown 0.4s ease;
    transition: var(--transition);
}
.alert-success { background: #ECFDF5; color: #065F46; border-left: 4px solid var(--success); }
.alert-error { background: #FEF2F2; color: #991B1B; border-left: 4px solid var(--danger); }
.alert-close { margin-left: auto; padding: 5px; color: inherit; opacity: 0.5; }
.alert-close:hover { opacity: 1; }

/* ===== STATS CARDS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px; margin-bottom: 25px;
}
.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    position: relative; overflow: hidden;
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
}
.stat-card:nth-child(1) { animation-delay: 0.05s; }
.stat-card:nth-child(2) { animation-delay: 0.1s; }
.stat-card:nth-child(3) { animation-delay: 0.15s; }
.stat-card:nth-child(4) { animation-delay: 0.2s; }
.stat-card:nth-child(5) { animation-delay: 0.25s; }
.stat-card:nth-child(6) { animation-delay: 0.3s; }

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.stat-card::after {
    content: '';
    position: absolute; top: 0; right: 0;
    width: 80px; height: 80px;
    border-radius: 0 0 0 100%;
    opacity: 0.08;
}
.stat-card.primary::after { background: var(--primary); }
.stat-card.secondary::after { background: var(--secondary); }
.stat-card.success::after { background: var(--success); }
.stat-card.warning::after { background: var(--warning); }
.stat-card.danger::after { background: var(--danger); }
.stat-card.info::after { background: var(--info); }

.stat-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.stat-card-icon {
    width: 44px; height: 44px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
}
.stat-card.primary .stat-card-icon { background: var(--primary-50); color: var(--primary); }
.stat-card.secondary .stat-card-icon { background: var(--secondary-50); color: var(--secondary); }
.stat-card.success .stat-card-icon { background: #ECFDF5; color: var(--success); }
.stat-card.warning .stat-card-icon { background: #FFFBEB; color: var(--warning); }
.stat-card.danger .stat-card-icon { background: #FEF2F2; color: var(--danger); }
.stat-card.info .stat-card-icon { background: #EFF6FF; color: var(--info); }

.stat-card-value { font-size: 1.8rem; font-weight: 800; color: var(--text-primary); line-height: 1; }
.stat-card-label { font-size: 0.75rem; color: var(--text-secondary); font-weight: 500; margin-top: 4px; text-transform: uppercase; letter-spacing: 0.5px; }

/* ===== CARDS ===== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
    animation-delay: 0.1s;
}
.card-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px;
}
.card-title { font-size: 1rem; font-weight: 700; color: var(--text-primary); display: flex; align-items: center; gap: 8px; }
.card-title i { color: var(--primary); }
.card-body { padding: 22px; }

/* ===== FILTER BAR ===== */
.filter-bar {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 18px 22px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    animation: fadeInUp 0.3s ease forwards;
}
.filter-form {
    display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end;
}
.filter-group { display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 160px; }
.filter-group label { font-size: 0.7rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }
.filter-group input,
.filter-group select {
    padding: 9px 14px; border: 1.5px solid var(--border);
    border-radius: var(--radius-sm); background: var(--bg-primary);
    color: var(--text-primary); transition: var(--transition);
    font-size: 0.82rem;
}
.filter-group input:focus,
.filter-group select:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13,148,136,0.1);
}
.filter-actions { display: flex; gap: 8px; align-items: flex-end; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 18px; border-radius: var(--radius-sm);
    font-size: 0.82rem; font-weight: 600;
    transition: var(--transition); border: none; cursor: pointer;
    text-decoration: none; white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--gradient-2); color: white; box-shadow: 0 4px 12px rgba(13,148,136,0.3); }
.btn-primary:hover { box-shadow: 0 6px 20px rgba(13,148,136,0.4); }
.btn-secondary { background: var(--bg-primary); color: var(--text-primary); border: 1.5px solid var(--border); }
.btn-secondary:hover { background: var(--border-light); }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-warning { background: var(--warning); color: white; }
.btn-sm { padding: 6px 12px; font-size: 0.75rem; }
.btn-xs { padding: 4px 8px; font-size: 0.7rem; border-radius: 6px; }

/* ===== TABLE ===== */
.table-responsive { overflow-x: auto; }
.data-table {
    width: 100%; border-collapse: separate;
    border-spacing: 0; font-size: 0.82rem;
}
.data-table thead th {
    background: var(--bg-primary);
    padding: 12px 16px; text-align: left;
    font-weight: 600; color: var(--text-secondary);
    font-size: 0.72rem; text-transform: uppercase;
    letter-spacing: 0.5px; border-bottom: 2px solid var(--border);
    white-space: nowrap; position: sticky; top: 0;
}
.data-table tbody tr { transition: var(--transition); }
.data-table tbody tr:hover { background: var(--primary-50); }
.data-table tbody td {
    padding: 12px 16px; border-bottom: 1px solid var(--border-light);
    color: var(--text-primary); vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }

/* ===== BADGES ===== */
.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: 20px;
    font-size: 0.7rem; font-weight: 600; white-space: nowrap;
}
.badge-success { background: #ECFDF5; color: #065F46; }
.badge-danger { background: #FEF2F2; color: #991B1B; }
.badge-warning { background: #FFFBEB; color: #92400E; }
.badge-info { background: #EFF6FF; color: #1E40AF; }
.badge-primary { background: var(--primary-100); color: var(--primary-dark); }
.badge-secondary { background: var(--secondary-100); color: var(--secondary-dark); }
.badge-purple { background: #F5F3FF; color: #5B21B6; }

/* ===== PAGINATION ===== */
.pagination-wrapper { padding: 18px 22px; border-top: 1px solid var(--border-light); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.pagination-info { font-size: 0.78rem; color: var(--text-secondary); }
.pagination { display: flex; align-items: center; gap: 4px; list-style: none; }
.pagination li { }
.pagination li a,
.pagination li span {
    display: flex; align-items: center; justify-content: center;
    min-width: 34px; height: 34px; padding: 0 8px;
    border-radius: var(--radius-sm); font-size: 0.78rem; font-weight: 500;
    transition: var(--transition); border: 1px solid var(--border);
    color: var(--text-secondary); background: var(--bg-card);
}
.pagination li a:hover { background: var(--primary-50); border-color: var(--primary); color: var(--primary); }
.pagination li.active span { background: var(--gradient-2); color: white; border-color: transparent; }
.pagination li.disabled span { opacity: 0.4; cursor: default; }

/* Override Laravel pagination */
nav[role="navigation"] .flex.justify-between { display: none; }
nav[role="navigation"] .hidden.sm\:flex-1 { display: block !important; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.form-label .required { color: var(--danger); }
.form-control {
    width: 100%; padding: 10px 14px;
    border: 1.5px solid var(--border); border-radius: var(--radius-sm);
    background: var(--bg-card); color: var(--text-primary);
    font-size: 0.85rem; transition: var(--transition);
}
.form-control:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13,148,136,0.1);
}
.form-control::placeholder { color: var(--text-light); }
textarea.form-control { min-height: 120px; resize: vertical; }
select.form-control { cursor: pointer; }

.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary); }

.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.form-actions { display: flex; gap: 10px; margin-top: 25px; padding-top: 20px; border-top: 1px solid var(--border); }

/* ===== PHOTO PREVIEW ===== */
.photo-preview {
    width: 100%; max-width: 400px; border-radius: var(--radius);
    overflow: hidden; border: 2px solid var(--border);
}
.photo-preview img { width: 100%; height: auto; display: block; }
.photo-upload-area {
    border: 2px dashed var(--border); border-radius: var(--radius);
    padding: 30px; text-align: center; cursor: pointer;
    transition: var(--transition); position: relative;
}
.photo-upload-area:hover { border-color: var(--primary); background: var(--primary-50); }
.photo-upload-area i { font-size: 2rem; color: var(--text-light); margin-bottom: 10px; }
.photo-upload-area p { font-size: 0.82rem; color: var(--text-secondary); }
.photo-upload-area input[type="file"] {
    position: absolute; inset: 0; opacity: 0; cursor: pointer;
}

/* ===== DETAIL VIEW ===== */
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.detail-item { margin-bottom: 16px; }
.detail-label { font-size: 0.72rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.detail-value { font-size: 0.9rem; color: var(--text-primary); }
.detail-content { line-height: 1.8; font-size: 0.88rem; }

/* ===== SUBJECT CARDS ===== */
.subject-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.subject-card {
    background: var(--bg-card); border-radius: var(--radius);
    padding: 20px; box-shadow: var(--shadow);
    border: 1px solid var(--border-light);
    transition: var(--transition); cursor: pointer;
}
.subject-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.subject-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.subject-card-icon {
    width: 40px; height: 40px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; color: white;
}
.subject-card-title { font-size: 0.9rem; font-weight: 700; }
.subject-card-stats { display: flex; gap: 16px; font-size: 0.75rem; color: var(--text-secondary); }
.subject-card-stats span { display: flex; align-items: center; gap: 4px; }

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center; padding: 50px 20px; color: var(--text-light);
}
.empty-state i { font-size: 3rem; margin-bottom: 15px; opacity: 0.5; }
.empty-state h3 { font-size: 1rem; font-weight: 600; margin-bottom: 5px; color: var(--text-secondary); }
.empty-state p { font-size: 0.82rem; }

/* ===== LOGIN PAGE ===== */
.login-wrapper {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: var(--gradient-3); position: relative; overflow: hidden;
}
.login-wrapper::before {
    content: ''; position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.login-card {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg); padding: 40px;
    width: 100%; max-width: 420px;
    box-shadow: var(--shadow-lg); position: relative; z-index: 1;
    animation: fadeInUp 0.6s ease;
}
.login-logo { text-align: center; margin-bottom: 30px; }
.login-logo .logo-icon {
    width: 60px; height: 60px; margin: 0 auto 12px;
    font-size: 1.5rem;
}
.login-logo h1 { font-size: 1.6rem; font-weight: 800; background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.login-logo p { font-size: 0.82rem; color: var(--text-secondary); margin-top: 4px; }
.login-form .form-group { margin-bottom: 20px; }
.login-form .form-control { padding: 12px 16px; font-size: 0.9rem; }
.login-form .btn { width: 100%; padding: 13px; font-size: 0.9rem; justify-content: center; }
.login-remember { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== SIDEBAR OVERLAY ===== */
.sidebar-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.5); z-index: 999;
    backdrop-filter: blur(4px);
}
.sidebar-overlay.show { display: block; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .sidebar-close { display: block; }
    .main-content { margin-left: 0; }
    .hamburger { display: flex; }
    .stats-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
}
@media (max-width: 640px) {
    .content-area { padding: 15px; }
    .topbar { padding: 0 15px; }
    .card-header { padding: 14px 16px; }
    .card-body { padding: 16px; }
    .filter-form { flex-direction: column; }
    .filter-group { min-width: 100%; }
    .form-row { grid-template-columns: 1fr; }
    .data-table { font-size: 0.75rem; }
    .data-table thead th, .data-table tbody td { padding: 8px 10px; }
    .login-card { margin: 15px; padding: 25px; }
}

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-secondary); }
.text-sm { font-size: 0.78rem; }
.text-xs { font-size: 0.7rem; }
.fw-bold { font-weight: 700; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.d-flex { display: flex; }
.gap-2 { gap: 12px; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }