/* style.css - Premium Design System */

/* Font Definitions */
@font-face {
    font-family: 'Inter';
    src: url('../fonts/Inter-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('../fonts/Inter-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('../fonts/Inter-SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('../fonts/Inter-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* CSS Variables */
:root {
    /* Colors - Light Mode (Default) */
    --bg-primary: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-glass: rgba(255, 255, 255, 0.7);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent: #0d9488;
    --accent-hover: #0f766e;
    --accent-glow: rgba(13, 148, 136, 0.15);
    
    --accent-gradient: linear-gradient(135deg, #0d9488 0%, #06b6d4 100%);
    --bg-gradient-mesh: radial-gradient(at 0% 0%, rgba(204, 251, 241, 0.5) 0px, transparent 50%),
                        radial-gradient(at 50% 0%, rgba(224, 242, 254, 0.5) 0px, transparent 50%),
                        radial-gradient(at 100% 0%, rgba(236, 254, 255, 0.5) 0px, transparent 50%);

    --border-color: #e2e8f0;
    --border-glow: rgba(13, 148, 136, 0.2);
    --input-bg: #f8fafc;
    --input-border: #cbd5e1;
    
    --success: #10b981;
    --success-bg: #ecfdf5;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    
    /* Layout Constants */
    --sidebar-width: 260px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.02);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
    --shadow-glow: 0 0 20px rgba(13, 148, 136, 0.15);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-primary: #0b0f19;
    --bg-surface: #151c2c;
    --bg-surface-glass: rgba(21, 28, 44, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent: #14b8a6;
    --accent-hover: #2dd4bf;
    --accent-glow: rgba(20, 184, 166, 0.25);
    
    --accent-gradient: linear-gradient(135deg, #14b8a6 0%, #06b6d4 100%);
    --bg-gradient-mesh: radial-gradient(at 0% 0%, rgba(20, 184, 166, 0.1) 0px, transparent 50%),
                        radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.05) 0px, transparent 50%);

    --border-color: #222c40;
    --border-glow: rgba(20, 184, 166, 0.3);
    --input-bg: #0b0f19;
    --input-border: #2d3b55;
    
    --success: #34d399;
    --success-bg: rgba(52, 211, 153, 0.1);
    --danger: #f87171;
    --danger-bg: rgba(248, 113, 113, 0.1);
    --warning: #fbbf24;
    --warning-bg: rgba(251, 191, 36, 0.1);
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.25), 0 2px 4px -1px rgba(0,0,0,0.15);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
}

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

html, body {
    width: 100%;
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-primary);
    background-image: var(--bg-gradient-mesh);
    color: var(--text-primary);
    line-height: 1.5;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    overflow-x: hidden;
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}
.theme-toggle:hover {
    transform: scale(1.05);
    border-color: var(--accent);
    box-shadow: var(--shadow-glow);
}
.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}
.theme-toggle .sun-icon {
    display: none;
}
[data-theme="dark"] .theme-toggle .sun-icon {
    display: block;
}
[data-theme="dark"] .theme-toggle .moon-icon {
    display: none;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header & Navigation */
.main-header {
    width: 100%;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}
.logo svg {
    width: 32px;
    height: 32px;
}
.logo-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.header-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}
.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
}
.nav-link:hover {
    color: var(--accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    border: 1px solid transparent;
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.5);
    filter: brightness(1.1);
}
.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-color);
}
.btn-secondary:hover {
    background: var(--input-bg);
    border-color: var(--text-muted);
}
.btn-danger {
    background: var(--danger);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
    filter: brightness(1.1);
}
.btn-outline {
    background: transparent;
    color: var(--accent);
    border-color: var(--accent);
}
.btn-outline:hover {
    background: var(--accent-glow);
}
.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
    border-radius: 6px;
}
.btn-block {
    width: 100%;
}

/* Landing Page (index.php) Style */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 80px 20px;
    max-width: 800px;
    margin: 0 auto;
}
.hero-tag {
    background: var(--accent-glow);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid var(--border-glow);
}
.hero-title {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 20px;
}
.hero-desc {
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: 40px;
    max-width: 600px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

/* Landing Page Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin: 40px 0;
}
.stat-card {
    background: var(--bg-surface-glass);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}
.stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}
.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-gradient);
}
.stat-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 8px;
}
.stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Form Card */
.form-card {
    background: var(--bg-surface-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    max-width: 700px;
    margin: 40px auto;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.form-card-title {
    font-size: 1.75rem;
    margin-bottom: 10px;
    text-align: center;
}
.form-card-desc {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 30px;
}

/* Form Layout */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.form-group-full {
    grid-column: span 2;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}
.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.form-control {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
}
.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--bg-surface);
}
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}
[data-theme="dark"] select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
}
.radio-group {
    display: flex;
    gap: 20px;
    align-items: center;
    height: 46px;
}
.radio-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-secondary);
}
.radio-option input {
    accent-color: var(--accent);
    width: 18px;
    height: 18px;
}

/* Feedback messages */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 12px;
    border-width: 1px;
    border-style: solid;
}
.alert-success {
    background: var(--success-bg);
    border-color: var(--success);
    color: var(--success);
}
.alert-danger {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: var(--danger);
}
.alert svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Admin Login Page Style */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.login-card {
    background: var(--bg-surface-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 440px;
    padding: 40px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.login-header {
    text-align: center;
    margin-bottom: 30px;
}
.login-logo {
    display: inline-flex;
    padding: 12px;
    border-radius: 12px;
    background: var(--accent-glow);
    margin-bottom: 16px;
    color: var(--accent);
}
.login-logo svg {
    width: 36px;
    height: 36px;
}

/* Password Toggle Wrapper */
.password-wrapper {
    position: relative;
}
.password-toggle {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
.password-toggle svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

/* Admin Dashboard Layout */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: 90;
    transition: var(--transition-normal);
}
.sidebar-brand {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-menu {
    list-style: none;
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.sidebar-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
}
.sidebar-item.active a,
.sidebar-item a:hover {
    background: var(--accent-glow);
    color: var(--accent);
}
.sidebar-item a svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}
.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

/* Main Dashboard Panel */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 40px;
    min-height: 100vh;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 30px;
    transition: var(--transition-normal);
}

/* Top Dashboard Bar */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}
.dashboard-title-area {
    display: flex;
    align-items: center;
    gap: 16px;
}
.dashboard-title-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.dashboard-title-text h1 {
    font-size: 1.6rem;
    margin: 0;
    line-height: 1.2;
}
.dashboard-title-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}
.dashboard-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Dashboard Filter & Search controls */
.controls-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.search-box {
    position: relative;
    flex: 1;
    min-width: 260px;
}
.search-box input {
    width: 100%;
    padding: 10px 16px 10px 42px;
}
.search-box svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}
.filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
}
.filter-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}
.filter-group select {
    padding: 8px 12px;
    font-size: 0.9rem;
    min-width: 120px;
}

/* Table Area */
.table-container {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.table-responsive {
    overflow-x: auto;
    width: 100%;
}
.table-custom {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}
.table-custom th {
    background: var(--bg-primary);
    padding: 16px 20px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}
.table-custom td {
    padding: 16px 20px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}
.table-custom tbody tr {
    transition: var(--transition-fast);
}
.table-custom tbody tr:hover {
    background: rgba(13, 148, 136, 0.02);
}
.table-custom tbody tr:last-child td {
    border-bottom: none;
}

/* Badge (P/L and Kelas) */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}
.badge-gender-l {
    background: rgba(6, 182, 212, 0.1);
    color: #0891b2;
}
.badge-gender-p {
    background: rgba(236, 72, 153, 0.1);
    color: #db2777;
}
.badge-class {
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid var(--border-glow);
}

/* Actions cell buttons */
.action-buttons {
    display: flex;
    gap: 8px;
}
.btn-icon {
    padding: 8px;
    border-radius: 6px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}
.btn-icon:hover {
    background: var(--input-bg);
}
.btn-icon-edit:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-glow);
}
.btn-icon-delete:hover {
    color: var(--danger);
    border-color: var(--danger);
    background: var(--danger-bg);
}
.btn-icon svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

/* Empty State */
.empty-state {
    padding: 60px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-secondary);
}
.empty-state svg {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.empty-state h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
    flex-wrap: wrap;
    gap: 12px;
}
.pagination-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.pagination-links {
    display: flex;
    gap: 6px;
}
.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition-fast);
}
.page-link:hover {
    background: var(--input-bg);
    color: var(--text-primary);
}
.page-link.active {
    background: var(--accent-gradient);
    color: #ffffff;
    border-color: transparent;
}
.page-link.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* Footer Section */
.main-footer {
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: auto;
}

/* Modal Style */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(11, 15, 25, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}
.modal-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}
.modal-window {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 650px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    transform: translateY(30px);
    transition: transform var(--transition-normal);
    overflow: hidden;
}
.modal-backdrop.open .modal-window {
    transform: translateY(0);
}
.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}
.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: 50%;
    transition: var(--transition-fast);
}
.modal-close:hover {
    background: var(--input-bg);
    color: var(--text-primary);
}
.modal-close svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}
.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Responsive UI adjustments */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    .hamburger-btn {
        display: flex !important;
    }
}
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-group-full {
        grid-column: span 1;
    }
    .hero-title {
        font-size: 2.25rem;
    }
    .stats-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
    
    /* Admin Dashboard Mobile adjustments */
    .dashboard-header {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }
    .dashboard-title-text h1 {
        font-size: 1.4rem;
    }
    .dashboard-actions {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 10px;
    }
    .dashboard-actions .btn {
        flex: 1;
        justify-content: center;
    }
    .controls-card {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
        padding: 16px;
    }
    .controls-card form {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 12px;
    }
    .controls-card .search-box {
        min-width: unset;
        width: 100%;
    }
    .controls-card .filter-group {
        width: 100%;
        justify-content: space-between;
    }
    .controls-card .filter-group select {
        flex: 1;
    }
    .controls-card .controls-actions {
        width: 100%;
        display: grid !important;
        grid-template-columns: 1fr 1fr;
        gap: 10px !important;
    }
    .controls-card .controls-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Hamburger menu button (mobile dashboard) */
.hamburger-btn {
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 10px;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}
.hamburger-btn svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

/* Extra responsive tweaks for very small screens (phones) */
@media (max-width: 480px) {
    .header-wrapper {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    .header-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
    .hero {
        padding: 60px 0;
    }
    .hero-title {
        font-size: 1.85rem;
    }
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .form-card {
        padding: 24px 16px;
        margin: 20px auto;
    }
    
    /* Admin Dashboard Mobile adjustments for screen size <= 480px */
    .dashboard-header {
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
    }
    .dashboard-title-area {
        align-items: flex-start;
    }
    .dashboard-title-text h1 {
        font-size: 1.25rem;
    }
    .dashboard-actions {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .dashboard-actions .btn,
    .dashboard-actions .theme-toggle {
        width: 100%;
        justify-content: center;
    }
    /* Make theme toggle span 2 columns on grid or look centered */
    .dashboard-actions .theme-toggle {
        grid-column: span 2;
        border-radius: var(--radius-sm);
        height: 40px;
    }
    .controls-card {
        padding: 12px;
    }
    .search-box {
        min-width: 100%;
    }
    .filter-group {
        width: 100%;
        justify-content: space-between;
    }
    .filter-group select {
        flex: 1;
    }
    
    /* Bulk Toolbar on Mobile */
    #bulk-toolbar {
        flex-direction: column;
        align-items: stretch !important;
        gap: 12px !important;
        padding: 12px !important;
    }
    #bulk-toolbar span {
        text-align: center;
    }
    #bulk-toolbar div {
        width: 100%;
        display: grid !important;
        grid-template-columns: 1fr;
        gap: 8px !important;
    }
    #bulk-toolbar div button {
        width: 100%;
        justify-content: center;
    }
    
    /* Modal adjustment on Mobile */
    .modal-window {
        width: 95%;
        border-radius: var(--radius-md);
    }
    .modal-body {
        padding: 16px;
    }
    .modal-footer {
        padding: 12px 16px;
        flex-direction: column;
        gap: 8px;
    }
    .modal-footer .btn {
        width: 100%;
        justify-content: center;
    }
}