/* CSS Variables */
:root {
    --primary-color: #E63946;
    --primary-dark: #c5303c;
    --secondary-color: #457B9D;
    --accent-color: #A8DADC;
    --dark-color: #1D3557;
    --light-color: #F1FAEE;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --transition: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 10px 20px;
    border-radius: var(--border-radius);
    color: var(--gray-600);
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

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

.nav-link.active:hover {
    background: var(--primary-dark);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.hero p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: #3a6a87;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--gray-300);
    color: var(--gray-700);
}

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

.btn-block {
    width: 100%;
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--primary-color);
}

.checkbox-group label {
    margin-bottom: 0;
    font-weight: 400;
}

.filter-checkbox {
    background: var(--gray-50);
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--gray-200);
    transition: var(--transition);
}

.filter-checkbox:has(input:checked) {
    background: rgba(230, 57, 70, 0.05);
    border-color: var(--primary-color);
}

.filter-checkbox label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.filter-checkbox label svg {
    color: var(--warning-color);
}

.input-with-button {
    display: flex;
    gap: 12px;
}

.input-with-button .form-control {
    flex: 1;
}

/* Reservation Section */
.reservation-section {
    padding: 60px 0;
}

.reservation-wrapper {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 40px;
}

.selection-panel {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    height: fit-content;
}

.selection-panel h2 {
    font-size: 1.25rem;
    margin-bottom: 24px;
    color: var(--dark-color);
}

/* Time Slots */
.time-slots {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.time-slot {
    padding: 12px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    background: var(--white);
}

.time-slot:hover:not(.disabled) {
    border-color: var(--primary-color);
    background: rgba(230, 57, 70, 0.05);
}

.time-slot.selected {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--white);
}

.time-slot.disabled {
    background: var(--gray-100);
    color: var(--gray-400);
    cursor: not-allowed;
}

/* Results Panel */
.results-panel {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.floor-plan-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.floor-plan-header h2 {
    font-size: 1.25rem;
    color: var(--dark-color);
}

.legend {
    display: flex;
    gap: 20px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.available {
    background: var(--success-color);
}

.dot.selected {
    background: var(--primary-color);
}

.dot.occupied {
    background: var(--gray-300);
}

/* Floor Plan */
.floor-plan {
    min-height: 400px;
    border: 2px dashed var(--gray-200);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    position: relative;
}

.floor-plan-placeholder {
    text-align: center;
    color: var(--gray-400);
}

.floor-plan-placeholder svg {
    margin-bottom: 16px;
}

.floor-plan-placeholder p {
    max-width: 300px;
}

/* Floor Plan Active State */
.floor-plan.active {
    border-style: solid;
    border-color: var(--gray-200);
    display: block;
    padding: 20px;
    background: var(--white);
}

.floor-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 15px;
}

.seat {
    aspect-ratio: 1;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--white);
    padding: 10px;
}

.seat:hover:not(.occupied) {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.seat.available {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.seat.selected {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--white);
}

.seat.occupied {
    background: var(--gray-100);
    border-color: var(--gray-200);
    cursor: not-allowed;
    opacity: 0.6;
}

.seat-icon {
    width: 28px;
    height: 28px;
    margin-bottom: 4px;
}

.seat-number {
    font-size: 0.75rem;
    font-weight: 600;
}

.seat-type-label {
    font-size: 0.625rem;
    color: var(--gray-500);
    text-transform: uppercase;
}

.seat.selected .seat-type-label {
    color: rgba(255, 255, 255, 0.8);
}

/* Selected Seat Info */
.selected-seat-info {
    margin-top: 20px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.selected-seat-info h3 {
    font-size: 1rem;
    margin-bottom: 12px;
    color: var(--dark-color);
}

.seat-details p {
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.selected-seat-info .btn {
    margin-top: 16px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

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

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--gray-100);
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--gray-600);
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.modal-content h2 {
    margin-bottom: 24px;
    color: var(--dark-color);
}

.booking-summary {
    background: var(--gray-50);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-200);
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-item .label {
    color: var(--gray-500);
}

.summary-item .value {
    font-weight: 600;
    color: var(--dark-color);
}

/* My Reservations Section */
.my-reservations-section {
    padding: 60px 0;
    background: var(--white);
}

.my-reservations-section h2 {
    font-size: 1.75rem;
    margin-bottom: 24px;
    color: var(--dark-color);
}

.reservations-lookup {
    max-width: 500px;
    margin-bottom: 30px;
}

.reservations-list {
    display: grid;
    gap: 16px;
}

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

.empty-state svg {
    margin-bottom: 16px;
}

/* Reservation Card */
.reservation-card {
    background: var(--gray-50);
    border-radius: var(--border-radius);
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid var(--primary-color);
}

.reservation-info h4 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    color: var(--dark-color);
}

.reservation-info p {
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.reservation-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.reservation-status.upcoming {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.reservation-status.past {
    background: var(--gray-100);
    color: var(--gray-500);
}

.reservation-status.cancelled {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

.reservation-actions {
    display: flex;
    gap: 12px;
}

/* Info Section */
.info-section {
    padding: 60px 0;
    background: var(--gray-50);
}

.info-section h2 {
    font-size: 1.75rem;
    margin-bottom: 32px;
    text-align: center;
    color: var(--dark-color);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.info-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.info-icon {
    width: 56px;
    height: 56px;
    background: rgba(230, 57, 70, 0.1);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.info-card h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
    color: var(--dark-color);
}

.info-card ul {
    color: var(--gray-600);
}

.info-card li {
    padding: 6px 0;
}

.info-card p {
    color: var(--gray-600);
}

.link {
    display: inline-block;
    margin-top: 12px;
    font-weight: 500;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1001;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--dark-color);
    color: var(--white);
    padding: 16px 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.toast-icon {
    color: var(--success-color);
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
}

.footer p {
    color: var(--gray-400);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 900px) {
    .reservation-wrapper {
        grid-template-columns: 1fr;
    }
    
    .selection-panel {
        order: 1;
    }
    
    .results-panel {
        order: 2;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        height: auto;
        padding: 16px 20px;
        gap: 16px;
    }
    
    .nav {
        width: 100%;
        justify-content: center;
    }
    
    .nav-link {
        padding: 8px 14px;
        font-size: 0.9rem;
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .floor-plan-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .legend {
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .reservation-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .modal-content {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .time-slots {
        grid-template-columns: 1fr;
    }
    
    .input-with-button {
        flex-direction: column;
    }
    
    .input-with-button .btn {
        width: 100%;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.fade-in {
    animation: fadeIn 0.3s ease;
}

.slide-up {
    animation: slideUp 0.4s ease;
}

/* Zone Labels in Floor Plan */
.floor-zones {
    margin-bottom: 20px;
}

.zone-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--gray-100);
}

.zone-icon {
    width: 24px;
    height: 24px;
    color: var(--secondary-color);
}

.zone-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
}

.zone-seats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 12px;
}