/* ==========================================================================
   TRIANGLE TAIPEI - PREMIUM STYLING SYSTEM
   ========================================================================== */

/* 1. Design System & Variables */
:root {
    /* Color Palette */
    --bg-base: #050508;
    --bg-surface: #100f17;
    --bg-surface-glass: rgba(16, 15, 23, 0.7);
    --bg-card: #161522;
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-active: rgba(255, 255, 255, 0.2);
    
    /* Neon Accent Colors */
    --neon-pink: #ff007f;
    --neon-pink-rgb: 255, 0, 127;
    --neon-purple: #9d00ff;
    --neon-purple-rgb: 157, 0, 255;
    --neon-cyan: #00f3ff;
    --neon-cyan-rgb: 0, 243, 255;
    
    /* Text Colors */
    --text-primary: #f8f9fa;
    --text-secondary: #a0a0b0;
    --text-muted: #62627a;
    
    /* Fonts */
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft JhengHei", "Noto Sans TC", sans-serif;
    --font-body: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft JhengHei", "Noto Sans TC", sans-serif;
    
    /* Spacing & Borders */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

input, select, textarea, button {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
}

input:focus, select:focus, textarea:focus, button:focus {
    outline: none;
}

/* 3. Utility Classes & Layout Containers */
.container {
    width: 100%;
    max-width: 1200px;
    margin-right: auto;
    margin-left: auto;
    padding-right: 1.5rem;
    padding-left: 1.5rem;
}

.section {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
}

.section-alt {
    background: linear-gradient(180deg, var(--bg-base) 0%, #0c0b12 50%, var(--bg-base) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--neon-pink);
    display: block;
    margin-bottom: 0.75rem;
    text-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.section-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-cyan));
    margin: 1.25rem auto 0;
    border-radius: var(--radius-full);
}

/* Glassmorphism Card Style */
.glass-card {
    background: var(--bg-surface-glass);
    backdrop-filter: blur(14px) saturate(180%);
    -webkit-backdrop-filter: blur(14px) saturate(180%);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: var(--border-glass-active);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

/* Neon Glow Elements in Background */
.neon-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(180px);
    opacity: 0.12;
    z-index: 1;
    pointer-events: none;
}

.glow-pink {
    background: var(--neon-pink);
    top: -100px;
    right: -100px;
    animation: pulse-glow 8s infinite alternate;
}

.glow-blue {
    background: var(--neon-cyan);
    bottom: -100px;
    left: -100px;
    animation: pulse-glow 12s infinite alternate-reverse;
}

@keyframes pulse-glow {
    0% { transform: scale(1); opacity: 0.1; }
    100% { transform: scale(1.2); opacity: 0.18; }
}

/* Neon Text Colors */
.neon-text-pink { color: var(--neon-pink); text-shadow: 0 0 10px rgba(255, 0, 127, 0.4); }
.neon-text-blue { color: var(--neon-cyan); text-shadow: 0 0 10px rgba(0, 243, 255, 0.4); }
.neon-text-purple { color: var(--neon-purple); text-shadow: 0 0 10px rgba(157, 0, 255, 0.4); }

.gradient-text {
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-purple), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.9rem 2rem;
    font-family: var(--font-body);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(255, 0, 127, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(255, 0, 127, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-glass-active);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

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

.required {
    color: var(--neon-pink);
    margin-left: 0.25rem;
}

/* ==========================================================================
   4. Header & Navigation (Sticky & Frosted Glass)
   ========================================================================== */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 5, 8, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition-smooth);
}

#main-header.scrolled {
    background: rgba(5, 5, 8, 0.9);
    padding: 0.5rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.logo:hover {
    opacity: 0.85;
}

.logo-img {
    height: 42px;
    width: auto;
    display: block;
    object-fit: contain;
}

.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
    padding: 0.25rem 0;
}

.nav-link:hover, 
.nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-cyan));
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.btn-nav {
    border: 1px solid var(--neon-pink);
    color: var(--text-primary);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 10px rgba(255, 0, 127, 0.2);
}

.btn-nav:hover {
    background-color: var(--neon-pink);
    box-shadow: 0 0 15px rgba(255, 0, 127, 0.5);
    color: var(--text-primary) !important;
}

.btn-nav::after {
    display: none;
}

/* Mobile Toggle Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
    border-radius: var(--radius-full);
}

/* Toggle Menu Active Classes */
.nav-toggle.open .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-toggle.open .bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   5. Hero Section (Industrial Warehouse Vibe & Neon overlay)
   ========================================================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    padding-bottom: 40px;
    overflow: hidden;
}

.hero-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.28) contrast(1.15) saturate(0.9);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 20%, var(--bg-base) 80%),
                linear-gradient(0deg, var(--bg-base) 0%, transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-content .badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    background: rgba(0, 243, 255, 0.1);
    border: 1px solid rgba(0, 243, 255, 0.3);
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin-bottom: 1.5rem;
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--text-primary);
    max-width: 600px;
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.hero-tagline-zh {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 4.5rem;
}

/* Info Ribbon at Hero Bottom */
.hero-info-ribbon {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 2rem;
}

.ribbon-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.ribbon-item i {
    font-size: 1.75rem;
}

.ribbon-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.ribbon-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   6. Experience Section (Asymmetric Photo Gallery & Lightbox)
   ========================================================================== */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.experience-grid .large-card {
    grid-column: span 2;
}

.experience-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
}

.card-img-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    cursor: pointer;
}

.experience-card.large-card .card-img-wrapper {
    aspect-ratio: 21 / 9;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.img-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(16, 15, 23, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.img-overlay i {
    font-size: 2.25rem;
    color: var(--text-primary);
    transform: scale(0.8);
    transition: var(--transition-smooth);
}

.card-img-wrapper:hover img {
    transform: scale(1.05);
}

.card-img-wrapper:hover .img-overlay {
    opacity: 1;
}

.card-img-wrapper:hover .img-overlay i {
    transform: scale(1);
    color: var(--neon-pink);
    text-shadow: 0 0 15px var(--neon-pink);
}

.card-info {
    padding: 2rem;
    position: relative;
}

.card-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.card-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
}

.card-tag {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--neon-cyan);
    border: 1px solid rgba(0, 243, 255, 0.3);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-sm);
    background: rgba(0, 243, 255, 0.05);
}

/* ==========================================================================
   7. Live Menu Section (Filtered & Dynamically loaded)
   ========================================================================== */
.menu-widget {
    padding: 2.5rem;
}

.menu-type-toggle {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 1.5rem;
}

.type-btn {
    padding: 0.75rem 1.75rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
    color: var(--text-secondary);
}

.type-btn.active {
    background: linear-gradient(135deg, rgba(255, 0, 127, 0.15), rgba(157, 0, 255, 0.15));
    border-color: rgba(255, 0, 127, 0.4);
    color: var(--text-primary);
    box-shadow: 0 0 15px rgba(255, 0, 127, 0.15);
}

.type-btn:hover:not(.active) {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.menu-controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.search-box {
    position: relative;
    width: 100%;
}

.search-box input {
    width: 100%;
    padding: 1rem 3rem 1rem 3rem;
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.15);
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
}

.search-clear {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: none; /* Shown dynamically in app.js */
}

.search-clear:hover {
    color: var(--text-primary);
}

/* Category Slider Nav */
.categories-container {
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
}

.categories-container::-webkit-scrollbar {
    display: none; /* Safari & Chrome */
}

.categories-nav {
    display: flex;
    gap: 0.75rem;
    padding-bottom: 0.25rem;
}

.category-btn {
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-glass);
    background: rgba(0, 0, 0, 0.2);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-fast);
}

.category-btn.active {
    background: var(--text-primary);
    color: var(--bg-base);
    font-weight: 700;
    border-color: var(--text-primary);
}

.category-btn:hover:not(.active) {
    border-color: var(--border-glass-active);
    color: var(--text-primary);
}

/* Menu Items Rendering */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    min-height: 250px;
    transition: opacity var(--transition-fast);
}

.menu-item {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
    animation: fade-in-menu 0.4s ease-out forwards;
}

@keyframes fade-in-menu {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.menu-item-info {
    flex: 1;
}

.menu-item-header {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.menu-item-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.02em;
}

.menu-item-zh {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.05em;
}

.menu-item-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 300;
    line-height: 1.4;
}

.menu-item-price {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0, 243, 255, 0.2);
    white-space: nowrap;
}

/* Menu States (Loaders, Empty States) */
.menu-loader {
    grid-column: span 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 4rem 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.05);
    border-top: 3px solid var(--neon-pink);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: 0 0 15px rgba(255, 0, 127, 0.3);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.menu-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5rem 0;
    color: var(--text-muted);
    gap: 1.5rem;
}

.menu-empty-state i {
    font-size: 3rem;
    color: var(--text-muted);
}

.menu-empty-state.hidden {
    display: none !important;
}

/* ==========================================================================
   8. Events Grid Section (Cyberpunk style Schedule)
   ========================================================================== */
.events-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.event-card {
    display: flex;
    padding: 2.5rem;
    gap: 2.25rem;
    position: relative;
    overflow: hidden;
}

.event-glow-line {
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
}

.event-glow-line.pink { background: var(--neon-pink); box-shadow: 0 0 15px var(--neon-pink); }
.event-glow-line.blue { background: var(--neon-cyan); box-shadow: 0 0 15px var(--neon-cyan); }
.event-glow-line.purple { background: var(--neon-purple); box-shadow: 0 0 15px var(--neon-purple); }

.event-day {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-muted);
    line-height: 1;
    letter-spacing: 0.05em;
    min-width: 80px;
}

.event-card.active-weekend .event-day {
    color: var(--text-primary);
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

.event-details {
    flex: 1;
}

.event-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    background: rgba(255, 0, 127, 0.15);
    border: 1px solid rgba(255, 0, 127, 0.3);
    color: var(--neon-pink);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.event-details h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    letter-spacing: 0.02em;
}

.event-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 300;
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.event-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.event-meta i {
    color: var(--text-muted);
}

.event-card.active-weekend .event-meta i {
    color: var(--neon-cyan);
}

/* ==========================================================================
   9. Reservations Section (Form & Rules details)
   ========================================================================== */
.reservation-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

.reservation-info {
    padding: 3rem;
}

.reservation-info h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.section-desc-small {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 2.5rem;
}

.booth-options {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.booth-option-card {
    padding: 1.5rem;
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-glass);
    transition: var(--transition-smooth);
}

.booth-option-card.selected-headcount {
    border-color: var(--neon-pink);
    background: rgba(255, 0, 127, 0.04);
    box-shadow: 0 0 20px rgba(255, 0, 127, 0.15);
}

.booth-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.booth-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
}

.booth-price {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--neon-pink);
}

.booth-body {
    display: flex;
    gap: 2rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.booth-body p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.booth-body i {
    color: var(--text-muted);
}

.booth-option-card.selected-headcount .booth-body i {
    color: var(--neon-pink);
}

.reservation-rules-alert {
    padding: 1.5rem;
    border-radius: var(--radius-md);
    background: rgba(157, 0, 255, 0.05);
    border: 1px dashed rgba(157, 0, 255, 0.3);
}

.reservation-rules-alert h4 {
    font-size: 1rem;
    color: var(--neon-purple);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.reservation-rules-alert ul {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-left: 1.25rem;
    list-style-type: disc;
}

.reservation-rules-alert li {
    margin-bottom: 0.5rem;
}

/* Booking Request Form card */
.reservation-form-wrapper {
    padding: 3rem;
}

.reservation-form-wrapper h3 {
    font-size: 1.75rem;
    margin-bottom: 2.25rem;
    text-align: center;
    letter-spacing: 0.05em;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.reservation-form-wrapper label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.reservation-form-wrapper input,
.reservation-form-wrapper select,
.reservation-form-wrapper textarea {
    width: 100%;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.reservation-form-wrapper input:focus,
.reservation-form-wrapper select:focus,
.reservation-form-wrapper textarea:focus {
    border-color: var(--neon-pink);
    box-shadow: 0 0 15px rgba(255, 0, 127, 0.15);
}

.reservation-form-wrapper select option {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.reservation-form-wrapper textarea {
    resize: vertical;
}

/* Form validation errors styling */
.error-msg {
    color: var(--neon-pink);
    font-size: 0.75rem;
    margin-top: 0.35rem;
    display: none;
}

.form-group.invalid input,
.form-group.invalid select {
    border-color: var(--neon-pink);
    background: rgba(255, 0, 127, 0.02);
}

.form-group.invalid .error-msg {
    display: block;
}

/* LINE Assistant Custom Styles */
.btn-line {
    background: #06c755;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(6, 199, 85, 0.3);
}

.btn-line:hover {
    background: #05b04b;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(6, 199, 85, 0.5);
}

.template-container textarea:focus {
    border-color: var(--border-glass) !important;
    box-shadow: none !important;
}

.btn-copy {
    transition: var(--transition-fast);
}

.btn-copy.copied {
    background: rgba(0, 243, 255, 0.1) !important;
    border-color: var(--neon-cyan) !important;
    color: var(--neon-cyan) !important;
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.2);
}

/* ==========================================================================
   10. Contact Section (Responsive Layout & Map)
   ========================================================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 4.5fr 7.5fr;
    gap: 2.5rem;
    align-items: stretch;
}

.contact-details {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 2.25rem;
}

.contact-info-block {
    display: flex;
    gap: 1.5rem;
}

.contact-info-block i {
    font-size: 1.75rem;
    margin-top: 0.25rem;
}

.contact-info-block h3 {
    font-size: 1.2rem;
    margin-bottom: 0.35rem;
    letter-spacing: 0.02em;
}

.contact-info-block p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 300;
}

.chinese-sub {
    font-size: 0.85rem !important;
    color: var(--text-muted) !important;
    margin-top: 0.25rem;
}

.desc-detail {
    font-size: 0.85rem !important;
    color: var(--text-muted) !important;
}

/* Social links styling */
.socials-container h3 {
    font-size: 1.2rem;
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition-smooth);
    color: var(--text-secondary);
}

.social-icon:hover {
    color: var(--text-primary);
    transform: translateY(-3px);
}

.social-icon.instagram:hover {
    border-color: var(--neon-pink);
    box-shadow: 0 0 15px rgba(255, 0, 127, 0.4);
    color: var(--neon-pink);
}

.social-icon.google:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(0, 243, 255, 0.4);
    color: var(--neon-cyan);
}

.social-icon.line:hover {
    border-color: #06c755;
    box-shadow: 0 0 15px rgba(6, 199, 85, 0.4);
    color: #06c755;
}

/* Map frame design */
.contact-map-wrapper {
    overflow: hidden;
    height: 100%;
    min-height: 400px;
}

.google-map {
    filter: invert(90%) hue-rotate(180deg) brightness(0.9) contrast(1.2);
    display: block;
}

/* ==========================================================================
   11. Footer Styling
   ========================================================================== */
footer {
    border-top: 1px solid var(--border-glass);
    background-color: #030305;
    padding: 4rem 0 2rem;
    position: relative;
    z-index: 10;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1.25rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 320px;
    font-weight: 300;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--neon-pink);
}

.footer-copy {
    text-align: right;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.footer-copy p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.creator-credits {
    color: var(--text-muted);
}

/* ==========================================================================
   12. Premium Lightbox Modal (Asymmetric gallery visual zoom)
   ========================================================================== */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 8, 0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.lightbox-modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.lightbox-content-wrapper {
    position: relative;
    max-width: 90%;
    max-height: 80%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-content {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: scale(0.95);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.lightbox-modal:not(.hidden) .lightbox-content {
    transform: scale(1);
}

.lightbox-caption {
    margin-top: 1.5rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2.5rem;
    color: var(--text-primary);
    font-size: 2.5rem;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 2001;
}

.lightbox-close:hover {
    color: var(--neon-pink);
    transform: scale(1.1);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    z-index: 2001;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--text-primary);
    color: var(--neon-pink);
}

.lightbox-prev { left: 2.5rem; }
.lightbox-next { right: 2.5rem; }

/* ==========================================================================
   13. Booking Confirmation Modal (Success Box)
   ========================================================================== */
.confirmation-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 8, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.confirmation-modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.confirm-content {
    max-width: 550px;
    width: 90%;
    padding: 3rem;
    position: relative;
    border-color: rgba(0, 243, 255, 0.3);
    box-shadow: 0 0 40px rgba(0, 243, 255, 0.15);
    animation: scale-up 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes scale-up {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.confirm-header {
    text-align: center;
    margin-bottom: 2rem;
}

.confirm-success-icon {
    font-size: 3.5rem;
    color: var(--neon-cyan);
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(0, 243, 255, 0.4));
}

.confirm-header h2 {
    font-size: 1.85rem;
    letter-spacing: 0.02em;
}

.confirm-body {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.confirm-body p {
    margin-bottom: 1.25rem;
}

.alert-text {
    color: var(--text-primary);
    font-weight: 500;
}

.confirm-summary-box {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.confirm-summary-box p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.confirm-summary-box p:last-child {
    margin-bottom: 0;
}

.confirm-summary-box strong {
    color: var(--text-primary);
}

.confirm-reminder-bullet {
    background: rgba(255, 0, 127, 0.05);
    border-left: 3px solid var(--neon-pink);
    padding: 1rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 0.85rem;
}

.confirm-reminder-bullet p {
    margin-bottom: 0;
    color: var(--text-secondary);
}

.confirm-reminder-bullet strong {
    color: var(--text-primary);
}

.confirm-footer {
    margin-top: 2.25rem;
    text-align: center;
}

.confirm-footer .btn {
    min-width: 150px;
}

/* ==========================================================================
   14. Responsive Adaptations (Mobile First Breakpoints)
   ========================================================================== */

/* Large Tablets and Desktops */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-info-ribbon {
        gap: 1.5rem;
        padding: 1.5rem;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .contact-map-wrapper {
        min-height: 350px;
    }
}

/* Small Tablets / iPads */
@media (max-width: 768px) {
    .section {
        padding: 4.5rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* Navigation Hamburger Menu trigger active */
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--bg-surface);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.6);
        z-index: 999;
        display: flex;
        align-items: center;
        padding: 6rem 2.5rem 2.5rem;
        transition: right var(--transition-smooth);
        border-left: 1px solid var(--border-glass);
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 2.5rem;
        width: 100%;
    }
    
    .nav-link {
        font-size: 1.1rem;
    }
    
    .btn-nav {
        width: 100%;
        text-align: center;
    }
    
    /* Hero section adjustments */
    .hero-section {
        min-height: auto;
        padding-top: 130px;
        padding-bottom: 60px;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
        margin-bottom: 3.5rem;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .hero-info-ribbon {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    /* Experience Gallery adjustments */
    .experience-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .experience-grid .large-card {
        grid-column: span 1;
    }
    
    .experience-card.large-card .card-img-wrapper {
        aspect-ratio: 16 / 9;
    }
    
    /* Menu widget adjustments */
    .menu-widget {
        padding: 1.5rem;
    }
    
    .menu-type-toggle {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .type-btn {
        justify-content: center;
    }
    
    .menu-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .menu-item {
        padding: 1.25rem;
    }
    
    .menu-loader {
        grid-column: span 1;
    }
    
    /* Events adjustment */
    .events-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .event-card {
        padding: 1.75rem;
        gap: 1.5rem;
    }
    
    /* Reservation layout adjustments */
    .reservation-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .reservation-info,
    .reservation-form-wrapper {
        padding: 1.75rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .booth-body {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    /* Contact page layout */
    .contact-details {
        padding: 1.75rem;
        gap: 1.75rem;
    }
    
    .social-icons {
        justify-content: space-between;
    }
    
    .social-icon {
        flex: 1;
    }
    
    /* Footer layout */
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-copy {
        text-align: left;
        gap: 0.5rem;
    }
    
    /* Lightbox controls for mobile */
    .lightbox-prev,
    .lightbox-next {
        width: 45px;
        height: 45px;
    }
    
    .lightbox-prev { left: 1rem; }
    .lightbox-next { right: 1rem; }
    .lightbox-close { top: 1.5rem; right: 1.5rem; }
}

/* Small mobile devices */
@media (max-width: 480px) {
    html {
        font-size: 15px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .confirm-content {
        padding: 2rem 1.5rem;
    }
}

/* ==========================================================================
   Bilingual & Language Switcher Styling
   ========================================================================== */

/* Visibility toggles based on HTML lang attribute */
html[lang="en"] .lang-zh {
    display: none !important;
}

html[lang="zh-TW"] .lang-en {
    display: none !important;
}

/* Language switch UI */
.lang-switch-container {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 0.35rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    margin-left: 0.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition-fast);
}

.lang-switch-container:hover {
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.15rem 0.4rem;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-body);
}

.lang-btn:hover {
    color: var(--text-primary);
}

.lang-btn.active {
    color: var(--text-primary);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

.lang-divider {
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.8rem;
    pointer-events: none;
    font-weight: 300;
}

/* Sub-English title in Chinese mode for drink menu items */
.menu-item-sub-en {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 400;
    margin-top: 0.15rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Adjustments for mobile responsive navigation */
@media (max-width: 768px) {
    .lang-switch-container {
        margin-left: 0;
        margin-top: 1.5rem;
        padding: 0.5rem 1rem;
        width: fit-content;
    }
    
    .lang-btn {
        font-size: 0.9rem;
    }
}