:root {
    --primary-dark: #1a1a2e;
    --surface-dark: #16213e;
    --accent-dark: #0f3460;
    --accent-gold: #d4af37;
    --text-primary: #e94560;
    --text-secondary: #c0c0c0;
    --success-color: #4CAF50;
    --danger-color: #F44336;
    --muted-color: #6c757d;
    --radius-md: 0.5rem;
    --radius-lg: 0.8rem;
    --shadow-md: 0 4px 6px rgba(0,0,0,0.2);
}
body {
    background-color: var(--primary-dark);
    color: var(--text-secondary);
    font-family: 'Pretendard', sans-serif;
}
.bg-dark-variant { background-color: var(--primary-dark); }
.card-modern {
    background-color: var(--surface-dark);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    color: var(--text-secondary);
}
.card-header-modern {
    background-color: var(--accent-dark);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
}
.card-body-modern { padding: 1.5rem; }
.text-gold { color: var(--accent-gold) !important; }
.bg-gold { background-color: var(--accent-gold) !important; }
.font-bold { font-weight: 700; }
.form-label-modern {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}
.form-select-modern, .form-input-modern {
    background-color: #0f3460;
    border: 1px solid rgba(212, 175, 55, 0.3);
    color: #fff;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    width: 100%;
}
.form-select-modern:focus, .form-input-modern:focus {
    background-color: #1a1a2e;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 0.25rem rgba(212, 175, 55, 0.25);
    color: #fff;
}
.card-img-top-modern {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
}
.theme-stat {
    display: flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
}
.theme-stat-label { font-weight: 600; color: var(--text-secondary); }
.rating-stars {
    font-size: 1.2rem;
    letter-spacing: 0.2em;
    color: #444;
}
.rating-stars .rating-star.filled { color: var(--accent-gold); }
.time-slot-btn-link { text-decoration: none; }
.time-slot-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem 0.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    height: 100%;
}
.time-slot-btn .time-text { font-size: 1.25rem; font-weight: 700; }
.time-slot-btn .status-text { font-size: 0.85rem; }
.time-slot-btn.available {
    background-color: var(--surface-dark);
    border-color: var(--accent-gold);
    cursor: pointer;
}
.time-slot-btn.available .time-text { color: var(--accent-gold); }
.time-slot-btn.available .status-text { color: var(--success-color); }
.time-slot-btn-link:hover .time-slot-btn.available {
    background-color: var(--accent-gold);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
    transform: translateY(-5px);
}
.time-slot-btn-link:hover .time-slot-btn.available .time-text,
.time-slot-btn-link:hover .time-slot-btn.available .status-text {
    color: var(--primary-dark);
    font-weight: 600;
}
.time-slot-btn.unavailable, .time-slot-btn.past {
    background-color: rgba(0, 0, 0, 0.2);
    border-color: #444;
    cursor: not-allowed;
}
.time-slot-btn.unavailable .time-text, .time-slot-btn.past .time-text {
    color: var(--muted-color);
    text-decoration: line-through;
}
.time-slot-btn.unavailable .status-text { color: var(--danger-color); }
.time-slot-btn.past .status-text { color: var(--muted-color); }
.flatpickr-calendar {
    background: var(--surface-dark) !important;
    border: 1px solid rgba(212, 175, 55, 0.3) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-md) !important;
}
.flatpickr-day, .flatpickr-weekday { color: var(--text-secondary) !important; }
.flatpickr-day:hover {
    background: rgba(212, 175, 55, 0.1) !important;
    color: var(--accent-gold) !important;
}
.flatpickr-day.selected, .flatpickr-day.today {
    background: var(--accent-gold) !important;
    color: var(--primary-dark) !important;
    border-color: var(--accent-gold) !important;
}
.flatpickr-months .flatpickr-month, .flatpickr-weekdays {
    background: var(--accent-dark) !important;
    color: var(--text-primary) !important;
}
.flatpickr-current-month .flatpickr-monthDropdown-months {
    background: var(--accent-dark) !important;
    color: var(--text-primary) !important;
}

/* Animation */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.animate-fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* Navbar */
.navbar-modern {
    background-color: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    transition: background-color 0.3s ease-in-out;
}
.navbar-modern.scrolled {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}
.navbar-brand-modern img {
    height: 3rem; /* 48px */
}
.navbar-nav-modern {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav-link-modern {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}
.nav-link-modern::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: width 0.3s ease;
}
.nav-link-modern:hover {
    color: #fff;
}
.nav-link-modern:hover::after {
    width: 100%;
}

/* Footer */
.footer-modern {
    background-color: var(--accent-dark);
    color: var(--text-secondary);
    padding: 3rem 0 1.5rem;
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}
.footer-section h3 {
    color: var(--accent-gold);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.footer-section p {
    margin-bottom: 0.5rem;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
}
.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--accent-gold);
}

.footer-link-static {
    color: var(--text-secondary);
}


.btn-secondary-modern {
    background-color: var(--surface-dark);
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.3s ease;
}
.btn-secondary-modern:hover {
    background-color: var(--accent-gold);
    color: var(--primary-dark);
}

/* Mobile Nav */
.navbar-mobile {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1020;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}
.nav-container {
    display: flex;
    justify-content: space-around;
    padding: 0.5rem 0;
}
.mobile-nav-item {
    text-align: center;
}
.mobile-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.8rem;
    padding: 0.5rem;
    display: block;
}
.mobile-nav-link:hover {
    color: var(--accent-gold);
}
.brand-container {
    display: none; /* Not showing brand in bottom nav */
}

/* Responsive utilities */
@media (min-width: 992px) {
    .desktop\:flex { display: flex !important; }
    .desktop\:hidden { display: none !important; }
    .desktop\:grid { display: grid !important; }
    .mobile\:block { display: none !important; }
    .mobile\:hidden { display: block !important; }
}
@media (max-width: 991.98px) {
    .desktop\:flex { display: none !important; }
    .desktop\:hidden { display: block !important; }
    .desktop\:grid { display: none !important; }
    .mobile\:block { display: block !important; }
    .mobile\:hidden { display: none !important; }
    main { padding-bottom: 60px; } /* Space for mobile nav */
}

/* main.html specific styles */

.hero-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent-dark) 100%);
    position: relative;
    overflow: hidden;
}

/*
.hero-section::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -10%;
    width: 40%;
    height: 80%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1), transparent 70%);
    pointer-events: none;
}
*/

.min-vh-75 {
    min-height: 75vh;
}

.themes-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--surface-dark) 100%);
}

.theme-card {
    background-color: var(--surface-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.theme-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.theme-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.theme-card:hover .theme-card-image {
    transform: scale(1.05);
}

.theme-card-body {
    padding: 1.5rem;
}

.theme-card-title {
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.theme-card-stats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(8px);
}

.popup-content {
    max-width: 90vw;
    max-height: 90vh;
    animation: fadeIn 0.3s ease;
    background: var(--surface-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.btn-ghost-modern {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: background-color 0.3s ease;
}

.btn-ghost-modern:hover {
    background-color: rgba(255,255,255,0.1);
}

.btn-primary-modern {
    background-color: var(--accent-gold);
    color: var(--primary-dark);
    border: none;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary-modern:hover {
    background-color: #fff;
    color: var(--primary-dark);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.5);
}

.btn-secondary-modern.btn-lg {
    padding: 0.75rem 2rem;
}

.btn-primary-modern.btn-lg {
    padding: 0.75rem 2rem;
}

.animate-slide-in {
    opacity: 0;
    transform: translateY(30px);
    animation: slideIn 0.8s forwards ease-out;
}

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}
.hero-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 400px; /* Or match image height */
    background-color: var(--surface-dark);
    border-radius: var(--radius-lg);
    border: 2px dashed rgba(212, 175, 55, 0.3);
}

.hero-image-placeholder .fa-key {
    font-size: 6rem;
    color: var(--accent-gold);
    opacity: 0.5;
}