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

:root {
    --primary-color: #7c3aed;
    --secondary-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark: #1f2937;
    --gray: #6b7280;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--primary-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
}

.nav {
    display: flex;
    gap: 5px;
}

.nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px 15px;
    text-decoration: none;
    color: var(--gray);
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 0.85rem;
}

.nav-link i {
    font-size: 1.2rem;
}

.nav-link:hover {
    background: var(--light-gray);
    color: var(--primary-color);
}

.nav-link.active {
    background: var(--primary-color);
    color: var(--white);
}

/* Sections */
.section {
    display: none;
    min-height: calc(100vh - 80px);
    padding: 40px 0;
}

.section.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Section */
.hero {
    background: var(--white);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    margin-bottom: 40px;
}

.hero-title {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.hero-title i {
    font-size: 3.5rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto 40px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card i {
    font-size: 2.5rem;
    margin-bottom: 10px;
    opacity: 0.9;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 10px 0;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #6d28d9;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: #0891b2;
    transform: translateY(-2px);
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

/* Conference Info */
.conference-info {
    margin-top: 20px;
    padding: 15px;
    background: var(--light-gray);
    border-radius: 10px;
}

.conference-info a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.conference-info a:hover {
    text-decoration: underline;
}

/* Featured Section */
.featured-section {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.section-title {
    font-size: 2rem;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--primary-color);
}

.section-title i {
    color: var(--warning-color);
}

/* Icon Buttons */
.icon-btn {
    background: transparent;
    border: none;
    color: var(--gray);
    cursor: pointer;
    padding: 5px 8px;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.icon-btn:hover {
    background: var(--light-gray);
    color: var(--primary-color);
}

.icon-btn.danger:hover {
    background: #fee;
    color: var(--danger-color);
}

/* Snacks Grid */
.snacks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.snack-card {
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: 15px;
    padding: 20px;
    transition: all 0.3s ease;
}

.snack-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.snack-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 15px;
}

.snack-type {
    font-size: 2rem;
}

.snack-badge {
    background: var(--success-color);
    color: var(--white);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.snack-badge-unavailable {
    background: var(--gray);
}

.snack-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark);
}

.snack-booth {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.snack-rating {
    color: var(--warning-color);
    margin-bottom: 10px;
}

.snack-meta {
    font-size: 0.85rem;
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 5px;
}

.snack-actions {
    display: flex;
    gap: 8px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--light-gray);
}

.snack-action-btn {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--light-gray);
    border-radius: 6px;
    background: var(--white);
    color: var(--gray);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.snack-action-btn:hover {
    background: var(--light-gray);
}

.snack-action-btn.mark-unavailable:hover {
    background: var(--warning-color);
    color: var(--white);
    border-color: var(--warning-color);
}

.snack-action-btn.delete-snack:hover {
    background: var(--danger-color);
    color: var(--white);
    border-color: var(--danger-color);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.1rem;
}

/* Page Title */
.page-title {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

/* Floor Plan */
.floor-plan-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 20px;
    margin-bottom: 30px;
}

.floor-plan-viewer {
    background: var(--white);
    border-radius: 15px;
    padding: 20px;
    box-shadow: var(--shadow-lg);
    overflow: auto;
}

#floor-plan-image {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.floor-plan-sidebar {
    background: var(--white);
    border-radius: 15px;
    padding: 20px;
    box-shadow: var(--shadow-lg);
}

.floor-plan-sidebar h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
}

.filter-group label {
    font-weight: 600;
    margin-bottom: 10px;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    background: var(--light-gray);
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

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

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

.legend {
    border-top: 2px solid var(--light-gray);
    padding-top: 20px;
}

.legend h4 {
    margin-bottom: 15px;
    color: var(--dark);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.legend-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
}

.floor-plan-note {
    background: var(--white);
    border-radius: 10px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow);
}

.floor-plan-note i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

/* Search Bar */
.search-bar {
    background: var(--white);
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.search-bar i {
    color: var(--gray);
    font-size: 1.2rem;
}

.search-bar input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1rem;
    font-family: inherit;
}

/* Filters */
.filters {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
}

.filter-chip:hover {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--white);
}

.filter-chip.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Sort Options */
.sort-options {
    background: var(--white);
    padding: 15px 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.sort-options label {
    font-weight: 600;
}

.sort-options select {
    flex: 1;
    padding: 10px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
}

/* Booths Grid */
.booths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.booth-card {
    background: var(--white);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-left: 5px solid var(--primary-color);
}

.booth-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.booth-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 15px;
}

.booth-number {
    background: var(--primary-color);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.1rem;
}

.booth-category {
    background: var(--light-gray);
    color: var(--gray);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
}

.booth-company {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark);
}

.booth-hall {
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
}

.booth-snacks {
    border-top: 2px solid var(--light-gray);
    padding-top: 15px;
    margin-top: 15px;
}

.booth-snacks h4 {
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.snack-item {
    background: var(--light-gray);
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.snack-item-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.snack-item-name {
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.snack-item-rating {
    color: var(--warning-color);
}

.snack-item-actions {
    display: flex;
    gap: 5px;
}

.unavailable-tag {
    font-size: 0.7rem;
    color: var(--danger-color);
    background: #fee;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.no-snacks {
    color: var(--gray);
    font-style: italic;
    font-size: 0.9rem;
}

.add-snack-btn {
    width: 100%;
    margin-top: 15px;
    padding: 10px;
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.add-snack-btn:hover {
    background: #0891b2;
}

/* Form Styles */
.submit-intro {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.submit-intro p {
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.points-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--warning-color), #f97316);
    color: var(--white);
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1.1rem;
}

.form-container {
    background: var(--white);
    border-radius: 15px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.rating-selector {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.rating-btn {
    padding: 10px 15px;
    border: 2px solid var(--light-gray);
    background: var(--white);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.rating-btn:hover {
    border-color: var(--warning-color);
    background: #fffbeb;
}

.rating-btn.active {
    border-color: var(--warning-color);
    background: var(--warning-color);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    flex-wrap: wrap;
}

/* Tips Section */
.tips-section {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.tips-section h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.tips-section ul {
    list-style: none;
    padding: 0;
}

.tips-section li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    border-bottom: 1px solid var(--light-gray);
}

.tips-section li:last-child {
    border-bottom: none;
}

.tips-section li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Leaderboard */
.leaderboard-intro {
    background: var(--white);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.leaderboard-intro p {
    font-size: 1.2rem;
}

.leaderboard-container {
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-bottom: 30px;
}

.leaderboard-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 20px;
}

.leaderboard-tabs {
    display: flex;
    gap: 10px;
}

.tab-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.tab-btn.active {
    background: var(--white);
    color: var(--primary-color);
}

.tab-content {
    display: none;
    padding: 30px;
}

.tab-content.active {
    display: block;
}

.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--light-gray);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.leaderboard-item:hover {
    background: #e5e7eb;
    transform: translateX(5px);
}

.leaderboard-rank {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray);
    min-width: 40px;
    text-align: center;
}

.leaderboard-item:nth-child(1) .leaderboard-rank {
    color: #fbbf24;
    font-size: 2rem;
}

.leaderboard-item:nth-child(2) .leaderboard-rank {
    color: #94a3b8;
    font-size: 1.8rem;
}

.leaderboard-item:nth-child(3) .leaderboard-rank {
    color: #cd7f32;
    font-size: 1.6rem;
}

.leaderboard-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.2rem;
}

.leaderboard-info {
    flex: 1;
}

.leaderboard-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.leaderboard-stats {
    color: var(--gray);
    font-size: 0.9rem;
}

.leaderboard-points {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Social Share */
.social-share-section {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
}

.social-share-section h3 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.social-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 25px 0;
    flex-wrap: wrap;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    color: var(--white);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.social-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.social-btn.twitter {
    background: #1da1f2;
}

.social-btn.linkedin {
    background: #0077b5;
}

.social-btn.facebook {
    background: #1877f2;
}

.hashtag-section {
    margin-top: 20px;
    padding: 15px;
    background: var(--light-gray);
    border-radius: 8px;
}

.hashtag-section strong {
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* Info Banner */
.info-banner {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    color: #1e40af;
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-left: 4px solid #3b82f6;
}

.info-banner i {
    font-size: 1.5rem;
    color: #3b82f6;
}

.info-banner strong {
    color: #1e3a8a;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--success-color);
    color: var(--white);
    padding: 15px 25px;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    transform: translateY(200px);
    transition: transform 0.3s ease;
    z-index: 2000;
}

.toast.show {
    transform: translateY(0);
}

.toast i {
    font-size: 1.5rem;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--white);
}

.loading i {
    font-size: 3rem;
    margin-bottom: 20px;
}

.loading p {
    font-size: 1.2rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    border-radius: 20px;
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    animation: slideUp 0.3s ease;
}

.modal-content.modal-large {
    max-width: 1200px;
    max-height: 95vh;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.modal-header h2 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    margin: 0;
}

.modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.modal-body {
    padding: 30px;
    max-height: calc(90vh - 100px);
    overflow-y: auto;
}

.modal-body p {
    margin-bottom: 25px;
    font-size: 1.05rem;
    color: var(--gray);
}

/* PDF Viewer */
.pdf-viewer-container {
    width: 100%;
}

.pdf-toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.pdf-iframe {
    width: 100%;
    height: 70vh;
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    background: var(--white);
}

/* Form Sections */
.form-section {
    margin-bottom: 25px;
}

.form-section h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.form-divider {
    height: 2px;
    background: linear-gradient(to right, transparent, var(--light-gray), transparent);
    margin: 30px 0;
}

.form-help {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 15px;
    font-style: italic;
}

/* Floor Plan Actions */
.floor-plan-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--white);
    border-top: 3px solid var(--primary-color);
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer-section p {
    color: var(--gray);
    margin-bottom: 10px;
    line-height: 1.6;
}

.footer-section a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray);
    text-decoration: none;
    padding: 8px 0;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-date {
    font-weight: 600;
    color: var(--secondary-color) !important;
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.footer-social button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-social button:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid var(--light-gray);
    padding-top: 20px;
    text-align: center;
    color: var(--gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    .nav {
        width: 100%;
        justify-content: space-around;
    }

    .nav-link span {
        display: none;
    }

    .nav-link {
        padding: 10px;
    }

    .hero-title {
        font-size: 2rem;
        flex-direction: column;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

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

    .floor-plan-container {
        grid-template-columns: 1fr;
    }

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

    .page-title {
        font-size: 1.8rem;
        flex-direction: column;
    }

    .form-container {
        padding: 20px;
    }

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

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

    .social-buttons {
        flex-direction: column;
    }

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

    .toast {
        left: 20px;
        right: 20px;
        bottom: 20px;
    }

    .modal-content {
        width: 95%;
        max-height: 95vh;
    }

    .modal-body {
        padding: 20px;
    }

    .pdf-toolbar {
        flex-direction: column;
    }

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

    .floor-plan-actions {
        flex-direction: column;
    }

    .floor-plan-actions .btn {
        width: 100%;
        justify-content: center;
    }

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

    .snack-action-btn {
        width: 100%;
    }

    .snack-item {
        flex-wrap: wrap;
    }

    .snack-item-info {
        flex-basis: 100%;
        margin-bottom: 8px;
    }

    .snack-item-actions {
        flex-basis: 100%;
        justify-content: flex-end;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 30px 20px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-number {
        font-size: 2rem;
    }
}