/* ===================================
   CSS Custom Properties (Theme)
   =================================== */
:root {
    /* Colors */
    --color-primary: #3498db;
    --color-primary-dark: #2980b9;
    --color-secondary: #2c3e50;
    --color-accent: #e67e22;
    --color-accent-dark: #d35400;
    --color-success: #27ae60;
    --color-success-dark: #219a52;
    --color-warning: #f39c12;
    --color-warning-dark: #d68910;
    --color-danger: #e74c3c;
    --color-danger-dark: #c0392b;

    /* Neutrals */
    --color-gray-100: #f8f9fa;
    --color-gray-200: #f5f7fa;
    --color-gray-300: #e4e8ec;
    --color-gray-400: #dce4ec;
    --color-gray-500: #bdc3c7;
    --color-gray-600: #95a5a6;
    --color-gray-700: #7f8c8d;
    --color-gray-800: #34495e;
    --color-gray-900: #2c3e50;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

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

    /* Borders & Shadows */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* ===================================
   Reset and Base Styles
   =================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-gray-200);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   Navbar
   =================================== */
.navbar {
    background-color: var(--color-secondary);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.nav-brand a {
    color: white;
    text-decoration: none;
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-user {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

/* Hamburger Menu Button */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    margin-right: calc(var(--spacing-sm) * -1);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: white;
    margin: 6px 0;
    transition: var(--transition-base);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ===================================
   Container
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    flex: 1;
    width: 100%;
}

/* ===================================
   Page Backgrounds (shared)
   =================================== */
.page-wrapper {
    min-height: calc(100vh - 120px);
    background: linear-gradient(135deg, var(--color-gray-200) 0%, var(--color-gray-300) 100%);
    padding: var(--spacing-lg);
    position: relative;
}

.page-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle, var(--color-primary) 1px, transparent 1px),
        radial-gradient(circle, var(--color-danger) 1px, transparent 1px),
        radial-gradient(circle, var(--color-warning) 1px, transparent 1px);
    background-size: 60px 60px, 80px 80px, 100px 100px;
    background-position: 0 0, 30px 30px, 15px 45px;
    opacity: 0.06;
    pointer-events: none;
}

.page-wrapper > * {
    position: relative;
    z-index: 1;
}

.page-container {
    max-width: 1200px;
    margin: 0 auto;
}

.page-container--narrow {
    max-width: 700px;
}

.page-container--medium {
    max-width: 900px;
}

/* Centered card pages (login, forms, etc.) */
.page-wrapper--centered {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

/* ===================================
   Alerts
   =================================== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* ===================================
   Cards
   =================================== */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
}

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

.card-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.card-header h1 {
    font-size: var(--font-size-2xl);
    color: var(--color-gray-900);
    margin: 0 0 var(--spacing-xs) 0;
    font-weight: 700;
}

.card-header p {
    color: var(--color-gray-700);
    margin: 0;
    font-size: var(--font-size-sm);
}

.card-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-300);
}

.card-footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.card-footer a:hover {
    text-decoration: underline;
}

.card-footer p {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    margin: var(--spacing-sm) 0 0 0;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
    min-height: 44px; /* Touch-friendly */
    line-height: 1.2;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: white;
}

.btn-primary:hover {
    box-shadow: 0 4px 12px rgba(230, 126, 34, 0.4);
    color: white;
}

.btn-secondary {
    background: white;
    color: var(--color-gray-800);
    border: 2px solid var(--color-gray-400);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

.btn-success:hover {
    background-color: var(--color-success-dark);
    box-shadow: 0 4px 12px rgba(39, 174, 96, 0.4);
}

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

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

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

.btn-danger:hover {
    background-color: var(--color-danger-dark);
    box-shadow: 0 4px 12px rgba(231, 76, 60, 0.4);
}

.btn-link {
    background: none;
    color: var(--color-primary);
    padding: 0.75rem 0;
    min-height: auto;
}

.btn-link:hover {
    text-decoration: underline;
    transform: none;
}

.btn-ghost {
    background: transparent;
    color: var(--color-gray-700);
}

.btn-ghost:hover {
    color: var(--color-gray-900);
    background: var(--color-gray-100);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
    min-height: 36px;
}

.btn-xs {
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-xs);
    min-height: 28px;
}

/* ===================================
   Forms
   =================================== */
.form {
    max-width: 500px;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-gray-800);
    font-size: var(--font-size-sm);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-gray-400);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    min-height: 48px; /* Touch-friendly */
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

.form-control::placeholder {
    color: var(--color-gray-600);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%237f8c8d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.checkbox-group label {
    margin-bottom: 0;
    font-weight: normal;
    color: var(--color-gray-700);
}

.form-checkbox {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
}

.error {
    color: var(--color-danger);
    font-size: var(--font-size-sm);
    display: block;
    margin-top: var(--spacing-xs);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* Auth form specific */
.auth-card {
    width: 100%;
    max-width: 400px;
}

/* Form container */
.form-container {
    max-width: 700px;
    width: 100%;
    margin: 0 auto;
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-container select.form-control {
    max-width: 100%;
}

.form-container h1 {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--color-gray-900);
    font-size: var(--font-size-2xl);
}

.form-subtitle {
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   Page Headers
   =================================== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-header h1 {
    margin: 0;
    color: var(--color-gray-900);
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ===================================
   Section Headers
   =================================== */
.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    font-size: var(--font-size-lg);
    color: var(--color-gray-800);
    margin: 0;
    font-weight: 600;
}

.section-count {
    background: var(--color-primary);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

/* ===================================
   Dashboard
   =================================== */
.dashboard {
    max-width: 1000px;
    margin: 0 auto;
}

.events-section {
    margin-bottom: var(--spacing-2xl);
}

.events-section h2 {
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-gray-300);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.event-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border-left: 4px solid var(--color-primary);
}

.event-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.event-card h3 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: var(--font-size-lg);
}

.event-card h3 a {
    color: var(--color-gray-900);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.event-card h3 a:hover {
    color: var(--color-primary);
}

.event-date {
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    margin: var(--spacing-xs) 0;
}

.event-tickets {
    color: var(--color-success);
    font-weight: 600;
    margin: var(--spacing-sm) 0;
}

.event-creator {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    margin: var(--spacing-xs) 0;
}

.event-submissions {
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    margin: var(--spacing-xs) 0;
}

.oversubscribed {
    color: var(--color-danger) !important;
    font-weight: 600;
}

.event-card-footer {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.event-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.event-meta svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.event-stats {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
}

.stat-item {
    text-align: center;
    flex: 1;
}

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

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-gray-700);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.event-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-300);
}

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

.badge-not-submitted {
    background-color: var(--color-warning);
    color: white;
}

.event-past {
    border-left-color: var(--color-gray-600);
    opacity: 0.85;
}

.event-past:hover {
    opacity: 1;
}

.no-events {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--color-gray-700);
}

.no-events svg {
    width: 50px;
    height: 50px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* ===================================
   Status Badges
   =================================== */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-open {
    background-color: #d4edda;
    color: #155724;
}

.status-finalized {
    background-color: #cce5ff;
    color: #004085;
}

.status-cancelled {
    background-color: #f8d7da;
    color: #721c24;
}

.submission-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.submission-badge.submitted {
    background: #e8f5e9;
    color: #2e7d32;
}

.submission-badge.not-submitted {
    background: #fff3e0;
    color: #e65100;
}

.submission-badge svg {
    width: 12px;
    height: 12px;
}

/* ===================================
   Event Detail
   =================================== */
.event-detail {
    max-width: 900px;
    margin: 0 auto;
}

.event-info {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.event-info p {
    margin: var(--spacing-sm) 0;
}

/* Your interest bar */
.your-interest-bar {
    background: #e8f4fd;
    border: 1px solid #b8daff;
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.interest-label {
    color: #0c5460;
    font-weight: 600;
}

.interest-prefs {
    font-weight: 700;
    color: var(--color-gray-900);
}

.interest-notes {
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    cursor: help;
}

.interest-actions {
    margin-left: auto;
    display: flex;
    gap: var(--spacing-sm);
}

.submissions-section {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.submissions-section h2 {
    margin-top: 0;
    color: var(--color-gray-900);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-300);
}

.stats-bar {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.stats-bar span {
    color: var(--color-gray-700);
}

/* ===================================
   Tables (Responsive)
   =================================== */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 calc(var(--spacing-lg) * -1);
    padding: 0 var(--spacing-lg);
}

.table-responsive::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(to right, transparent, white);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.table-responsive.has-scroll::after {
    opacity: 1;
}

.submissions-table, .allocation-table, .users-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 500px;
}

.submissions-table th, .allocation-table th, .users-table th {
    text-align: left;
    padding: var(--spacing-md);
    background: var(--color-gray-100);
    border-bottom: 2px solid var(--color-gray-300);
    color: var(--color-gray-800);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.submissions-table td, .allocation-table td, .users-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-300);
}

.submissions-table tr:hover, .allocation-table tr:hover, .users-table tr:hover {
    background: var(--color-gray-100);
}

.row-below-min {
    background-color: #fffbeb !important;
}

.row-not-attending {
    background-color: #fff5f5 !important;
}

.row-inactive {
    opacity: 0.6;
}

.notes-cell {
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.actions-cell {
    white-space: nowrap;
}

.no-submissions {
    color: var(--color-gray-700);
    font-style: italic;
    text-align: center;
    padding: var(--spacing-2xl);
}

/* ===================================
   Allocation Page
   =================================== */
.allocate-container {
    max-width: 1000px;
    margin: 0 auto;
}

.allocation-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.stat-card .stat-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card .stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.stat-secondary {
    background: var(--color-gray-100);
}

.stat-warning {
    background-color: #fff5f5;
    border: 2px solid var(--color-danger);
}

.stat-warning .stat-value {
    color: var(--color-danger);
}

.allocation-input {
    width: 80px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-gray-400);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.allocation-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

/* ===================================
   Modal
   =================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.modal-content {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    max-width: 400px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.modal-content h2 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--color-gray-900);
    font-size: var(--font-size-xl);
}

.modal-content p {
    color: var(--color-gray-700);
    margin: 0 0 var(--spacing-xl) 0;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* ===================================
   Admin
   =================================== */
.admin-panel {
    max-width: 900px;
    margin: 0 auto;
}

.admin-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.admin-section {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.admin-section .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-300);
}

.admin-section .section-header h2 {
    margin: 0;
    color: var(--color-gray-900);
}

.admin-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.admin-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.admin-list li:last-child {
    border-bottom: none;
}

.more-link {
    color: var(--color-gray-700);
    font-style: italic;
}

/* ===================================
   Badges
   =================================== */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.badge-admin {
    background-color: var(--color-primary);
    color: white;
}

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

.badge-pending {
    background-color: var(--color-warning);
    color: white;
}

.status-active {
    color: var(--color-success);
    font-weight: 600;
}

.status-inactive {
    color: var(--color-danger);
    font-weight: 600;
}

/* ===================================
   Danger Zone
   =================================== */
.danger-zone {
    background: #fff5f5;
    border: 1px solid #f5c6cb;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
}

.danger-zone h3 {
    margin-top: 0;
    color: #721c24;
}

/* ===================================
   Back Link
   =================================== */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray-700);
    text-decoration: none;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    transition: color var(--transition-fast);
}

.back-link:hover {
    color: var(--color-primary);
}

.back-link svg {
    width: 16px;
    height: 16px;
}

/* ===================================
   View All Button
   =================================== */
.view-all-wrapper {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.btn-view-all {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    color: var(--color-gray-800);
    border: 2px solid var(--color-gray-400);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-base);
}

.btn-view-all:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-view-all svg {
    width: 16px;
    height: 16px;
}

/* ===================================
   Ticket Icon
   =================================== */
.ticket-icon {
    margin-bottom: var(--spacing-md);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-gray-500);
    text-align: center;
    padding: var(--spacing-md);
    margin-top: auto;
    font-size: var(--font-size-sm);
}

.footer p {
    margin: 0;
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-gray-700);
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ===================================
   Responsive: Tablets (768px)
   =================================== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 1.25rem;
        --spacing-xl: 1.5rem;
    }

    .navbar {
        padding: var(--spacing-md);
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--color-secondary);
        flex-direction: column;
        padding: 0;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        max-height: 300px;
    }

    .nav-links a,
    .nav-links .nav-user {
        display: block;
        padding: var(--spacing-md) var(--spacing-lg);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links .nav-user {
        order: -1;
        background: rgba(0, 0, 0, 0.1);
        font-size: var(--font-size-sm);
    }

    .container {
        padding: var(--spacing-md);
    }

    .page-wrapper {
        padding: var(--spacing-md);
    }

    .page-header {
        flex-direction: column;
        align-items: stretch;
    }

    .header-actions {
        width: 100%;
    }

    .header-actions .btn {
        flex: 1;
        text-align: center;
    }

    .events-grid {
        grid-template-columns: 1fr;
    }

    .allocation-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .your-interest-bar {
        flex-direction: column;
        align-items: flex-start;
    }

    .interest-actions {
        margin-left: 0;
        width: 100%;
    }

    .interest-actions .btn {
        flex: 1;
    }

    .modal-actions {
        flex-direction: column;
    }

    .modal-actions .btn {
        width: 100%;
    }
}

/* ===================================
   Responsive: Small Phones (480px)
   =================================== */
@media (max-width: 480px) {
    :root {
        --font-size-2xl: 1.375rem;
        --font-size-xl: 1.125rem;
    }

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

    .event-card {
        padding: var(--spacing-md);
    }

    .event-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .stat-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }

    .allocation-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-card .stat-value {
        font-size: var(--font-size-xl);
    }

    .admin-sections {
        grid-template-columns: 1fr;
    }

    .notes-cell {
        max-width: 120px;
    }

    .submissions-table, .allocation-table, .users-table {
        font-size: var(--font-size-sm);
    }

    .submissions-table th, .allocation-table th, .users-table th,
    .submissions-table td, .allocation-table td, .users-table td {
        padding: var(--spacing-sm);
    }
}