/* ============================================
   Ly & Colin Wedding Homepage
   Cinematic, elegant, Vietnamese-themed design.
   Mobile-first layout with liquid glass FAB navigation.
   ============================================ */

/* ----------------------------------------
   CSS Custom Properties (Design Tokens)
   ---------------------------------------- */
:root {
    /* Colors — Vietnamese Wedding Palette */
    --color-bg-primary: #fdf8f4;
    --color-bg-surface: #ffffff;
    --color-bg-alt: #f7f0e8;
    --color-bg-elevated: #f5efe7;
    --color-bg-dark: #1a1210;

    /* Text Colors */
    --color-text-primary: #1a1210;
    --color-text-secondary: #5c544d;
    --color-text-tertiary: #9a9088;
    --color-text-inverse: #fdf8f4;

    /* Accent — Vietnamese Gold & Crimson */
    --color-gold: #c5a55a;
    --color-gold-hover: #b8963f;
    --color-gold-light: rgba(197, 165, 90, 0.1);
    --color-crimson: #8b2020;
    --color-crimson-light: rgba(139, 32, 32, 0.08);

    /* Language Accents — Vietnamese Red & English Blue */
    --color-lang-vi: #c0392b;
    --color-lang-vi-bg: rgba(192, 57, 43, 0.06);
    --color-lang-vi-border: rgba(192, 57, 43, 0.25);
    --color-lang-en: #2471a3;
    --color-lang-en-bg: rgba(36, 113, 163, 0.06);
    --color-lang-en-border: rgba(36, 113, 163, 0.25);

    /* Borders */
    --color-border: rgba(26, 18, 16, 0.08);
    --color-border-hover: rgba(26, 18, 16, 0.15);
    --color-border-gold: rgba(197, 165, 90, 0.3);

    /* Typography */
    --font-heading: 'Playfair Display', 'Georgia', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.75rem;
    --font-size-5xl: 3.5rem;
    --font-size-hero: clamp(3rem, 10vw, 6rem);

    /* Font Weights */
    --fw-light: 300;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-5xl: 8rem;

    /* Border Radius */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(26, 18, 16, 0.06);
    --shadow-md: 0 4px 16px rgba(26, 18, 16, 0.08);
    --shadow-lg: 0 8px 32px rgba(26, 18, 16, 0.12);
    --shadow-glass:
        0 8px 40px rgba(0, 0, 0, 0.08),
        0 2px 12px rgba(0, 0, 0, 0.04),
        0 0 0 0.5px rgba(255, 255, 255, 0.25) inset,
        0 1px 0 0 rgba(255, 255, 255, 0.15) inset;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-Index */
    --z-base: 1;
    --z-fab: 100;

    /* Container */
    --container-max: 1080px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: var(--fw-regular);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
    overscroll-behavior-y: none;
}

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

a:hover {
    color: var(--color-gold-hover);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

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

/* Touch & Mobile Interaction */
a,
button,
input,
select,
textarea {
    -webkit-tap-highlight-color: transparent;
}

a,
button {
    touch-action: manipulation;
}

*:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* ----------------------------------------
   Utilities
   ---------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ----------------------------------------
   Shared Section Styles
   ---------------------------------------- */
.section {
    padding: var(--spacing-5xl) 0;
}

.section-label {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-md);
}

.section-heading {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: var(--fw-medium);
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

.section-intro {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 680px;
    margin-bottom: var(--spacing-3xl);
}

.section-body {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.75;
    max-width: 640px;
}

/* ----------------------------------------
   Hero — Full-Viewport Cinematic Intro
   ---------------------------------------- */

/* ----------------------------------------
   Upload Banner — Prominent strip above hero
   Golden gradient banner with camera icon.
   Invites guests to upload wedding memories.
   ---------------------------------------- */
.upload-banner {
    position: relative;
    z-index: 10;
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #2a1a14 100%);
    border-bottom: 1px solid var(--color-border-gold);
}

.upload-banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) var(--container-padding);
}

.upload-banner-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    min-width: 0;
}

.upload-banner-icon {
    font-size: var(--font-size-2xl);
    color: var(--color-gold);
    flex-shrink: 0;
}

.upload-banner-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: var(--fw-medium);
    color: var(--color-gold);
    letter-spacing: 0.02em;
}

.upload-banner-subtitle {
    font-size: var(--font-size-sm);
    color: rgba(253, 248, 244, 0.55);
    line-height: 1.5;
    margin-top: 2px;
}

.upload-banner-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-xl);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-bg-dark);
    background: var(--color-gold);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition-fast), transform var(--transition-fast);
    flex-shrink: 0;
}

.upload-banner-btn:hover {
    background: var(--color-gold-hover);
    transform: scale(1.03);
}

.upload-banner-btn:active {
    transform: scale(0.97);
}

/* ----------------------------------------
   Upload Modal — Full-screen overlay
   Frosted glass panel with drag-and-drop zone.
   ---------------------------------------- */
.upload-modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.upload-modal[hidden] {
    display: none;
}

.upload-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(26, 18, 16, 0.7);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.upload-modal-panel {
    position: relative;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalSlideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(24px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.upload-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-md);
}

.upload-modal-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
    line-height: 1.2;
}

.upload-modal-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-top: var(--spacing-xs);
}

.upload-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: var(--font-size-base);
    color: var(--color-text-tertiary);
    background: transparent;
    transition: background var(--transition-fast), color var(--transition-fast);
    flex-shrink: 0;
}

.upload-modal-close:hover {
    background: var(--color-bg-alt);
    color: var(--color-text-primary);
}

.upload-modal-body {
    padding: 0 var(--spacing-xl) var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

/* Guest Name Field */
.upload-field {
    margin-bottom: var(--spacing-lg);
}

.upload-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.upload-optional {
    font-weight: var(--fw-regular);
    color: var(--color-text-tertiary);
}

.upload-input {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
    outline: none;
}

.upload-input:focus {
    border-color: var(--color-gold);
}

.upload-input::placeholder {
    color: var(--color-text-tertiary);
}

/* Drop Zone */
.upload-dropzone {
    border: 2px dashed var(--color-border-gold);
    border-radius: var(--radius-md);
    padding: var(--spacing-3xl) var(--spacing-xl);
    text-align: center;
    transition: background var(--transition-fast), border-color var(--transition-fast);
    cursor: pointer;
}

.upload-dropzone:hover,
.upload-dropzone.drag-over {
    background: var(--color-gold-light);
    border-color: var(--color-gold);
}

.upload-dropzone-icon {
    font-size: var(--font-size-4xl);
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

.upload-dropzone-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.upload-dropzone-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-md);
}

.upload-browse-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-xl);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-gold);
    background: transparent;
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.upload-browse-btn:hover {
    background: var(--color-gold);
    color: var(--color-bg-dark);
}

.upload-dropzone-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-lg);
    line-height: 1.5;
}

/* File Queue */
.upload-queue {
    margin-top: var(--spacing-lg);
}

.upload-queue[hidden] {
    display: none;
}

.upload-queue-label {
    font-size: var(--font-size-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.upload-queue-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.upload-queue-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.upload-queue-item-icon {
    color: var(--color-gold);
    font-size: var(--font-size-base);
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}

.upload-queue-item-info {
    flex: 1;
    min-width: 0;
}

.upload-queue-item-name {
    color: var(--color-text-primary);
    font-weight: var(--fw-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.upload-queue-item-size {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
}

.upload-queue-item-status {
    flex-shrink: 0;
    font-size: var(--font-size-xs);
    font-weight: var(--fw-semibold);
}

.upload-queue-item-status.pending {
    color: var(--color-text-tertiary);
}

.upload-queue-item-status.uploading {
    color: var(--color-gold);
}

.upload-queue-item-status.done {
    color: #27ae60;
}

.upload-queue-item-status.error {
    color: var(--color-crimson);
}

.upload-queue-item-remove {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    background: transparent;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.upload-queue-item-remove:hover {
    background: var(--color-crimson-light);
    color: var(--color-crimson);
}

/* Progress bar inside queue item */
.upload-queue-item-progress {
    width: 100%;
    height: 3px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    margin-top: 4px;
    overflow: hidden;
}

.upload-queue-item-progress-bar {
    height: 100%;
    background: var(--color-gold);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
    width: 0%;
}

/* Modal Footer */
.upload-modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl) var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.upload-status {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    min-width: 0;
    flex: 1;
}

.upload-submit-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-bg-dark);
    background: var(--color-gold);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
    flex-shrink: 0;
}

.upload-submit-btn:hover:not(:disabled) {
    background: var(--color-gold-hover);
    transform: scale(1.03);
}

.upload-submit-btn:active:not(:disabled) {
    transform: scale(0.97);
}

.upload-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Glass Nav — Upload button accent */
.glass-menu-upload {
    border: none;
    background: rgba(197, 165, 90, 0.15);
    font-family: var(--font-body);
    cursor: pointer;
}

.glass-menu-upload:hover {
    background: rgba(197, 165, 90, 0.25);
}

/* ----------------------------------------
   Hero — Full-Viewport Cinematic Intro
   ---------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-dark);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse at 50% 40%,
        rgba(139, 32, 32, 0.15) 0%,
        rgba(26, 18, 16, 0.7) 60%,
        rgba(26, 18, 16, 0.95) 100%
    );
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.hero-eyebrow {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-light);
    color: rgba(253, 248, 244, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-hero);
    font-weight: var(--fw-regular);
    line-height: 1.0;
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-lg);
}

.hero-ampersand {
    display: inline-block;
    font-style: italic;
    color: var(--color-gold);
    margin: 0 0.1em;
}

.hero-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero-divider::before,
.hero-divider::after {
    content: '';
    width: 60px;
    height: 1px;
    background: var(--color-border-gold);
}

.hero-divider-lotus {
    font-size: var(--font-size-xl);
    color: var(--color-gold);
    line-height: 1;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: var(--fw-light);
    color: rgba(253, 248, 244, 0.7);
    line-height: 1.7;
    max-width: 480px;
    margin: 0 auto var(--spacing-2xl);
}

.hero-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-4xl);
}

.hero-date {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--fw-medium);
    color: var(--color-gold);
    letter-spacing: 0.02em;
}

.hero-location {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-light);
    color: rgba(253, 248, 244, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.hero-scroll-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(253, 248, 244, 0.3);
    font-size: var(--font-size-xs);
    font-weight: var(--fw-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: gentleBounce 2.5s ease-in-out infinite;
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ----------------------------------------
   Our Story — Bilingual Card
   ---------------------------------------- */
.section-story {
    background: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.story-card {
    max-width: 720px;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-3xl);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.story-lang {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.story-lang-label {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.story-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

[lang="vi"] .story-text {
    font-style: italic;
}

.story-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-2xl) 0;
}

.story-divider::before,
.story-divider::after {
    content: '';
    flex: 1;
    max-width: 80px;
    height: 1px;
    background: var(--color-border-gold);
}

.story-divider-lotus {
    font-size: var(--font-size-xl);
    color: var(--color-gold);
    line-height: 1;
}

/* ----------------------------------------
   Wedding Schedule — Console-Density Table
   ---------------------------------------- */
.section-schedule {
    background: var(--color-bg-primary);
}

.schedule-table-wrap {
    margin-top: var(--spacing-xl);
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.schedule-table {
    width: 100%;
    table-layout: auto;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    line-height: 1.45;
}

/* ── Schedule Group Header Icons ── */
.schedule-icon {
    width: 18px;
    height: 18px;
    vertical-align: -3px;
    margin-right: 8px;
    color: var(--color-gold);
    flex-shrink: 0;
}

/* ── Group Header Rows ── */
.schedule-group-header td {
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-bold);
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-align: center;
    padding: 14px 16px 10px;
    border-bottom: 2px solid var(--color-border-gold);
    background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg-elevated) 100%);
}

.schedule-badge {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.625rem;
    font-weight: var(--fw-semibold);
    color: var(--color-gold);
    background: var(--color-gold-light);
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-full);
    padding: 1px 8px;
    margin-left: 6px;
    vertical-align: middle;
    letter-spacing: 0.03em;
    text-transform: none;
}

/* ── Body Rows ── */
.schedule-table tbody tr:not(.schedule-group-header) {
    transition: background var(--transition-base);
}

.schedule-table tbody tr:not(.schedule-group-header):hover {
    background: var(--color-bg-alt);
}

.schedule-table tbody tr:not(.schedule-group-header) td {
    padding: 24px 20px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.schedule-table tbody tr:last-child td {
    border-bottom: none;
}

/* ── Bilingual Cell Pattern: .td-vi then .td-en ── */
.td-vi,
.td-en {
    display: block;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
}

.td-vi {
    color: var(--color-text-secondary);
    font-weight: var(--fw-regular);
    margin-bottom: 12px;
    background: var(--color-lang-vi-bg);
    border-color: var(--color-lang-vi-border);
}

.td-en {
    color: var(--color-text-primary);
    font-weight: var(--fw-regular);
    background: var(--color-lang-en-bg);
    border-color: var(--color-lang-en-border);
}

/* Date column — vertically centered, pill border */
.cell-date {
    white-space: nowrap;
    font-weight: var(--fw-semibold);
    color: var(--color-text-primary);
    text-align: center;
    vertical-align: middle;
}

/* Date pill — thin rounded border */
.cell-date-inner {
    display: block;
    width: 100%;
    padding: 8px 16px;
    border: 1px solid var(--color-text-primary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    text-align: center;
}

/* ── Highlight Row — Wedding Day ── */
.schedule-highlight > td {
    background: var(--color-crimson-light);
}

.schedule-highlight .td-vi {
    background: rgba(192, 57, 43, 0.08);
}

.schedule-highlight .td-en {
    color: var(--color-crimson);
    font-weight: var(--fw-semibold);
    background: rgba(36, 113, 163, 0.08);
}

/* ── Breakdown — Nested Sub-schedule Table ── */
.schedule-breakdown-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 14px;
    border: 1px dashed var(--color-border-gold);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    table-layout: auto;
}

.schedule-breakdown-table thead th {
    font-family: var(--font-body);
    font-size: 0.625rem;
    font-weight: var(--fw-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-align: left;
    padding: 8px 10px;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.schedule-breakdown-table .col-time {
    width: 72px;
    white-space: nowrap;
}

.schedule-breakdown-table tbody td {
    padding: 10px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.schedule-breakdown-table tbody tr:last-child td {
    border-bottom: none;
}

.schedule-breakdown-table .breakdown-time {
    font-weight: var(--fw-semibold);
    color: var(--color-gold);
    white-space: nowrap;
    text-align: center;
}

.breakdown-clock {
    width: 14px;
    height: 14px;
    vertical-align: -2px;
    margin-right: 5px;
    color: var(--color-gold);
    flex-shrink: 0;
}

.schedule-breakdown-table .breakdown-vi {
    color: var(--color-text-secondary);
    font-weight: var(--fw-regular);
    font-style: italic;
    background: var(--color-lang-vi-bg);
    border-radius: var(--radius-xs);
    padding: 8px 10px;
}

.schedule-breakdown-table .breakdown-en {
    color: var(--color-text-primary);
    font-weight: var(--fw-medium);
    background: var(--color-lang-en-bg);
    border-radius: var(--radius-xs);
    padding: 8px 10px;
}

/* ----------------------------------------
   Travel Guide — Info Cards Grid
   ---------------------------------------- */
.section-travel {
    background: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.info-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: box-shadow var(--transition-base);
}

.info-card:hover {
    box-shadow: var(--shadow-md);
}

.info-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--color-gold-light);
    border: 1px solid var(--color-border-gold);
    margin-bottom: var(--spacing-lg);
}

.info-card-icon i {
    font-size: var(--font-size-lg);
    color: var(--color-gold);
}

.info-card-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: var(--fw-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.info-card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ----------------------------------------
   Saigon Guide — Numbered Highlights
   ---------------------------------------- */
.section-saigon {
    background: var(--color-bg-primary);
}

.saigon-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.highlight-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: box-shadow var(--transition-base);
}

.highlight-card:hover {
    box-shadow: var(--shadow-md);
}

.highlight-number {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: var(--fw-bold);
    color: var(--color-gold-light);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    /* Make the number bolder in the light color */
    -webkit-text-stroke: 1px var(--color-border-gold);
}

.highlight-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.highlight-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ----------------------------------------
   Footer
   ---------------------------------------- */
.footer {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
}

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

.footer-logo {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--fw-medium);
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: rgba(253, 248, 244, 0.4);
    letter-spacing: 0.05em;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(253, 248, 244, 0.08);
}

.footer-bottom p {
    font-size: var(--font-size-xs);
    color: rgba(253, 248, 244, 0.3);
}

/* ----------------------------------------
   Administrator Password Modal
   Minimal centered modal — matches upload modal styling.
   ---------------------------------------- */
.admin-modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.admin-modal[hidden] {
    display: none;
}

.admin-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(26, 18, 16, 0.7);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    animation: modalFadeIn 0.3s ease;
}

.admin-modal-panel {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalSlideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.admin-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-md);
}

.admin-modal-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
    line-height: 1.2;
}

.admin-modal-title i {
    color: var(--color-gold);
}

.admin-modal-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-top: var(--spacing-xs);
}

.admin-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: var(--font-size-base);
    color: var(--color-text-tertiary);
    background: transparent;
    transition: background var(--transition-fast), color var(--transition-fast);
    flex-shrink: 0;
}

.admin-modal-close:hover {
    background: var(--color-bg-alt);
    color: var(--color-text-primary);
}

.admin-modal-body {
    padding: 0 var(--spacing-xl) var(--spacing-lg);
}

.admin-field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.admin-label {
    font-size: var(--font-size-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.admin-input {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--transition-fast);
}

.admin-input:focus {
    border-color: var(--color-gold);
}

.admin-input.shake {
    animation: adminShake 0.4s ease;
}

@keyframes adminShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-6px); }
    80% { transform: translateX(6px); }
}

.admin-error {
    font-size: var(--font-size-xs);
    color: var(--color-crimson);
    margin-top: var(--spacing-xs);
}

.admin-error[hidden] {
    display: none;
}

.admin-modal-footer {
    display: flex;
    justify-content: flex-end;
    padding: var(--spacing-md) var(--spacing-xl) var(--spacing-xl);
}

.admin-submit-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-bg-dark);
    background: var(--color-gold);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    white-space: nowrap;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.admin-submit-btn:hover {
    background: var(--color-gold-hover);
    transform: scale(1.03);
}

.admin-submit-btn:active {
    transform: scale(0.97);
}

/* Footer copyright — subtle interactive hint */
.footer-copyright {
    cursor: default;
    transition: color var(--transition-fast);
    -webkit-user-select: none;
    user-select: none;
}

/* ============================================
   LIQUID GLASS NAVIGATION FAB
   Floating frosted-glass button in bottom-right.
   Expands to show section links with a glass effect.
   ============================================ */
.glass-nav {
    position: fixed;
    bottom: max(24px, env(safe-area-inset-bottom, 24px));
    right: max(24px, env(safe-area-inset-right, 24px));
    z-index: var(--z-fab);
}

/* --- FAB Button --- */
.glass-fab {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 0.5px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.12);
    -webkit-backdrop-filter: blur(40px) saturate(2) brightness(1.1);
    backdrop-filter: blur(40px) saturate(2) brightness(1.1);
    box-shadow: var(--shadow-glass);
    color: var(--color-gold);
    font-size: var(--font-size-xl);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    cursor: pointer;
    transition:
        transform var(--transition-base),
        background var(--transition-base),
        box-shadow var(--transition-base);
    z-index: 2;
}

.glass-fab:hover {
    transform: scale(1.06);
    background: rgba(255, 255, 255, 0.18);
}

.glass-fab:active {
    transform: scale(0.96);
}

.glass-fab-icon,
.glass-fab-close {
    position: absolute;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.glass-fab-icon {
    opacity: 1;
    transform: rotate(0deg);
}

.glass-fab-close {
    opacity: 0;
    transform: rotate(-90deg);
    font-size: var(--font-size-lg);
}

/* FAB open state */
.glass-nav.open .glass-fab-icon {
    opacity: 0;
    transform: rotate(90deg);
}

.glass-nav.open .glass-fab-close {
    opacity: 1;
    transform: rotate(0deg);
}

/* --- Glass Menu Panel --- */
.glass-menu {
    position: absolute;
    bottom: calc(100% + 12px);
    right: 0;
    min-width: 200px;
    padding: var(--spacing-sm);
    border-radius: var(--radius-lg);
    border: 0.5px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.1);
    -webkit-backdrop-filter: blur(50px) saturate(2.2) brightness(1.05);
    backdrop-filter: blur(50px) saturate(2.2) brightness(1.05);
    box-shadow: var(--shadow-glass);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px) scale(0.95);
    transform-origin: bottom right;
    transition:
        opacity var(--transition-base),
        visibility var(--transition-base),
        transform var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.glass-nav.open .glass-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* --- Menu Items --- */
.glass-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-semibold);
    color: #fff;
    text-shadow:
        0 1px 2px rgba(0, 0, 0, 0.6),
        0 0 8px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.glass-menu-item i {
    width: 18px;
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gold);
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.5));
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.glass-menu-item:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-text-inverse);
}

.glass-menu-item:hover i {
    opacity: 1;
}

.glass-menu-item.active {
    color: var(--color-gold);
    text-shadow:
        0 1px 2px rgba(0, 0, 0, 0.6),
        0 0 12px rgba(197, 165, 90, 0.3);
}

.glass-menu-item.active i {
    opacity: 1;
}

/* ============================================
   APPLE-STYLE SCROLL ANIMATIONS
   Reveal-on-scroll with staggered delays,
   hero parallax fade, and cinematic transitions.
   All driven by IntersectionObserver via JS.
   ============================================ */

/* ── Base hidden state for all reveal elements ── */
[data-reveal] {
    opacity: 0;
    will-change: opacity, transform;
    transition:
        opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Delay tiers — set by data-delay or data-stagger */
[data-reveal][data-delay="1"],
[data-reveal][data-stagger="1"] { transition-delay: 0.1s; }
[data-reveal][data-delay="2"],
[data-reveal][data-stagger="2"] { transition-delay: 0.2s; }
[data-reveal][data-delay="3"],
[data-reveal][data-stagger="3"] { transition-delay: 0.3s; }
[data-reveal][data-delay="4"],
[data-reveal][data-stagger="4"] { transition-delay: 0.4s; }
[data-reveal][data-delay="5"],
[data-reveal][data-stagger="5"] { transition-delay: 0.5s; }

/* ── Fade Up — default reveal: slide up 40px ── */
[data-reveal="fade-up"] {
    transform: translateY(40px);
}

/* ── Fade — opacity only ── */
[data-reveal="fade"] {
    transform: none;
}

/* ── Scale — divider / decorative elements ── */
[data-reveal="scale"] {
    transform: scaleX(0);
}

/* ── Visible state — applied by JS ── */
[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0) scaleX(1);
}

/* ── Hero Parallax — JS sets --scroll-y for fade + lift ── */
[data-hero-parallax] .hero-content {
    transition: none;
    will-change: transform, opacity;
}

/* ── Cards get a subtle lift on reveal ── */
.info-card,
.highlight-card {
    transition:
        box-shadow var(--transition-base),
        opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Section borders get a grow-in effect ── */
.story-divider::before,
.story-divider::after,
.hero-divider::before,
.hero-divider::after {
    transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ----------------------------------------
   Mobile Responsive (max-width: 768px)
   ---------------------------------------- */
@media (max-width: 768px) {
    .hero-title {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .hero-eyebrow {
        font-size: var(--font-size-xs);
    }

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

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

    .saigon-highlights {
        grid-template-columns: 1fr;
    }

    .section-heading {
        font-size: var(--font-size-2xl);
    }

    /* Upload Banner — Stack on mobile */
    .upload-banner-inner {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .upload-banner-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

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

    /* Upload Modal — Full-width bottom sheet on mobile */
    .upload-modal {
        padding: 0;
        align-items: flex-end;
    }

    .upload-modal-panel {
        max-height: 95vh;
        max-height: 95dvh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        animation-name: modalSlideUpMobile;
    }

    @keyframes modalSlideUpMobile {
        from { opacity: 0; transform: translateY(100%); }
        to { opacity: 1; transform: translateY(0); }
    }

    /* Safe area padding for home indicator on notched iPhones */
    .upload-modal-footer {
        padding-bottom: calc(var(--spacing-xl) + env(safe-area-inset-bottom, 0px));
    }

    .upload-dropzone {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .upload-dropzone-icon {
        font-size: var(--font-size-3xl);
    }
}

/* ----------------------------------------
   Small Mobile (max-width: 480px)
   ---------------------------------------- */
@media (max-width: 480px) {
    :root {
        --container-padding: 1.25rem;
    }

    .section {
        padding: var(--spacing-4xl) 0;
    }

    .hero-subtitle {
        font-size: var(--font-size-sm);
    }

    .hero-divider::before,
    .hero-divider::after {
        width: 40px;
    }

    /* Schedule table — card stack on small screens */
    .schedule-table,
    .schedule-table tbody,
    .schedule-table tr,
    .schedule-table td {
        display: block;
        width: 100%;
        box-sizing: border-box;
    }

    .schedule-group-header td {
        padding: 10px 12px 6px;
    }

    .schedule-table tbody tr:not(.schedule-group-header) {
        padding: 10px 12px;
        border-bottom: 1px solid var(--color-border);
    }

    .schedule-table tbody tr:not(.schedule-group-header) td {
        border-bottom: none;
        padding: 4px 0;
    }

    .cell-date {
        white-space: normal;
    }

    .cell-date-inner {
        display: block;
        width: 100%;
        text-align: center;
    }

    .schedule-highlight {
        background: var(--color-crimson-light);
        border-radius: var(--radius-sm);
    }

    .schedule-highlight > td {
        background: transparent;
    }

    /* Breakdown nested table — stack on mobile */
    .schedule-breakdown-table,
    .schedule-breakdown-table thead,
    .schedule-breakdown-table tbody,
    .schedule-breakdown-table tr,
    .schedule-breakdown-table th,
    .schedule-breakdown-table td {
        display: block;
        width: 100%;
    }

    .schedule-breakdown-table thead {
        display: none;
    }

    .schedule-breakdown-table tbody tr {
        padding: 10px 0;
        border-bottom: 1px solid var(--color-border);
    }

    .schedule-breakdown-table tbody tr:last-child {
        border-bottom: none;
    }

    .schedule-breakdown-table tbody td {
        padding: 4px 0;
        border-bottom: none;
    }

    /* Label each cell with a data attribute on mobile */
    .schedule-breakdown-table .breakdown-time {
        text-align: center;
        font-size: var(--font-size-sm);
        margin-bottom: 4px;
    }

    .schedule-breakdown-table .breakdown-clock {
        width: 16px;
        height: 16px;
        vertical-align: -3px;
        margin-right: 6px;
    }

    .schedule-breakdown-table .breakdown-vi,
    .schedule-breakdown-table .breakdown-en {
        padding: 6px 10px;
        margin-bottom: 4px;
    }

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

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

    .glass-nav {
        bottom: max(16px, env(safe-area-inset-bottom, 16px));
        right: max(16px, env(safe-area-inset-right, 16px));
    }

    .glass-fab {
        width: 52px;
        height: 52px;
    }
}

/* ----------------------------------------
   Touch Device Optimizations
   ---------------------------------------- */
@media (hover: none) and (pointer: coarse) {
    .glass-fab {
        width: 56px;
        height: 56px;
    }

    .glass-menu-item {
        min-height: 44px;
    }

    /* Upload touch targets — Apple HIG 44px minimum */
    .upload-browse-btn {
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-xl);
    }

    .upload-banner-btn {
        min-height: 44px;
    }
}

/* ----------------------------------------
   Safe Area Insets (Notched Phones)
   ---------------------------------------- */
@supports (padding: env(safe-area-inset-bottom)) {
    .footer-bottom {
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    }
}

/* ----------------------------------------
   Reduced Motion
   ---------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    /* Disable scroll reveal animations — show everything immediately */
    [data-reveal] {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    [data-hero-parallax] .hero-content {
        opacity: 1 !important;
        transform: none !important;
    }
}