/* ===== DESIGN SYSTEM - HomeStay Booking ===== */
/* Cute, modern, pink (#ff5a5f), rounded, mobile-first */

:root {
    --primary: #ff5a5f;
    --primary-dark: #e04850;
    --primary-light: #ff8a8e;
    --secondary: #00b4d8;
    --secondary-dark: #0096b7;
    --accent: #ffd166;
    --success: #06d6a0;
    --warning: #fca311;
    --danger: #ef476f;
    --bg: #faf7f5;
    --bg-card: #ffffff;
    --bg-surface: #f5f0ec;
    --text: #2d3436;
    --text-secondary: #636e72;
    --text-light: #b2bec3;
    --border: #eee;
    --shadow: 0 2px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
    --shadow-hover: 0 12px 40px rgba(255,90,95,0.15);
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 8px;
    --font: 'Inter', -apple-system, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg: #0f0f1a;
    --bg-card: #1a1a2e;
    --bg-surface: #16213e;
    --text: #e8e8e8;
    --text-secondary: #a0a0b0;
    --text-light: #606070;
    --border: #2a2a3e;
    --shadow: 0 2px 16px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
    --shadow-hover: 0 12px 40px rgba(255,90,95,0.2);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

/* ===== CONTAINER ===== */
.container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== NAVBAR ===== */
.navbar-main {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0;
    transition: var(--transition);
}

[data-theme="dark"] .navbar-main {
    background: rgba(15,15,26,0.9);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--primary);
}
.nav-brand i { font-size: 1.5rem; }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-xs);
    color: var(--text);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}
.nav-link:hover { background: var(--bg-surface); color: var(--primary); }
.nav-link-admin { color: var(--text-secondary); }

.nav-actions { display: flex; align-items: center; gap: 0.5rem; }

.theme-toggle {
    background: var(--bg-surface);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text);
    transition: var(--transition);
}
.theme-toggle:hover { background: var(--primary); color: #fff; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ===== MAIN CONTENT ===== */
.main-content { padding-top: 64px; min-height: 60vh; }

/* ===== HERO ===== */
.hero-section { position: relative; overflow: hidden; }

.hero-slide {
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    background-size: cover;
    background-position: center;
}

.hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 5;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    color: #fff;
    padding: 2rem 1.5rem 2.5rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: 2rem;
    font-weight: 400;
    line-height: 1.6;
}

.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1.5rem; }
.hero-section .btn-outline-custom { color: #fff; border-color: rgba(255,255,255,0.6); }
.hero-section .btn-outline-custom:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,0.15); }

.hero-stats { display: flex; gap: 2.5rem; justify-content: center; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.stat-number { display: block; font-size: 1.8rem; font-weight: 800; }
.stat-label { font-size: 0.85rem; opacity: 0.9; }

/* ===== BUTTONS ===== */
.btn-primary-custom {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: var(--font);
    box-shadow: 0 4px 15px rgba(255,90,95,0.3);
}
.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255,90,95,0.4);
    color: #fff;
}

.btn-outline-custom {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background: transparent;
    color: var(--text);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: var(--font);
}
.btn-outline-custom:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(255,90,95,0.05);
}

.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.85rem; }
.btn-lg { padding: 1rem 2rem; font-size: 1.1rem; }

.btn-messenger {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: linear-gradient(135deg, #0084ff, #0066cc);
    color: #fff;
    border: none;
    border-radius: var(--radius-xs);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: var(--font);
}
.btn-messenger:hover { transform: translateY(-2px); color: #fff; box-shadow: 0 4px 15px rgba(0,132,255,0.3); }

.btn-zalo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: linear-gradient(135deg, #0068ff, #0054cc);
    color: #fff;
    border: none;
    border-radius: var(--radius-xs);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: var(--font);
}
.btn-zalo:hover { transform: translateY(-2px); color: #fff; box-shadow: 0 4px 15px rgba(0,104,255,0.3); }

.btn-view {
    padding: 0.5rem 1.5rem;
    background: rgba(255,255,255,0.95);
    color: var(--primary);
    border-radius: var(--radius-xs);
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
}
.btn-view:hover { background: #fff; color: var(--primary-dark); }

.btn-book {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-xs);
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
}
.btn-book:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }

.btn-icon {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--radius-xs);
    background: var(--bg-surface);
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1rem;
}
.btn-icon:hover { background: var(--primary); color: #fff; }
.btn-icon-success:hover { background: var(--success); }
.btn-icon-danger:hover { background: var(--danger); }

/* ===== SECTIONS ===== */
.section-areas, .section-rooms, .section-steps { padding: 4rem 0; }

.section-header { text-align: center; margin-bottom: 2.5rem; }
.section-title { font-size: 1.8rem; font-weight: 700; margin-bottom: 0.5rem; }
.section-title i { color: var(--primary); }
.section-desc { color: var(--text-secondary); font-size: 1.05rem; }

/* ===== AREA CARDS ===== */
.areas-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1.5rem; }

.area-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    height: 180px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}
.area-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }

.area-card-bg { position: absolute; inset: 0; transition: var(--transition); }
.area-card:hover .area-card-bg { transform: scale(1.05); }

.area-card-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    text-align: center;
    padding: 1rem;
}
.area-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.area-card h3 { font-size: 1.3rem; font-weight: 700; }
.area-card p { opacity: 0.9; font-size: 0.9rem; }
.area-count {
    margin-top: 0.5rem;
    padding: 0.25rem 0.75rem;
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    font-size: 0.8rem;
    backdrop-filter: blur(10px);
}

/* ===== ROOM CARDS ===== */
.rooms-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }

.room-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}
.room-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }

.room-card-image { position: relative; overflow: hidden; aspect-ratio: 4/3; }

.room-card-placeholder {
    height: 200px;
    background: linear-gradient(135deg, #ff5a5f22, #00b4d822);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 3rem;
    gap: 0.5rem;
}
.room-card-placeholder p { font-size: 0.9rem; color: var(--text-secondary); }

.room-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 0.3rem 0.8rem;
    background: var(--primary);
    color: #fff;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
}

.room-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}
.room-card:hover .room-card-overlay { opacity: 1; }

.room-card-body { padding: 1.25rem; }
.room-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.4rem; }
.room-location { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.75rem; }
.room-location i { color: var(--primary); }

.room-features {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}
.room-features span { display: flex; align-items: center; gap: 0.3rem; }
.room-features i { color: var(--secondary); }

.room-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.room-price { display: flex; align-items: baseline; gap: 0.25rem; flex-wrap: wrap; }
.price-label { font-size: 0.8rem; color: var(--text-secondary); }
.price-value { font-size: 1.2rem; font-weight: 800; color: var(--primary); }
.price-unit { font-size: 0.75rem; color: var(--text-secondary); }

/* ===== STEPS ===== */
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }

.step-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}
.step-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 34px;
    height: 34px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
}

.step-icon { font-size: 2.5rem; color: var(--primary); margin-bottom: 1rem; margin-top: 0.5rem; }
.step-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.step-card p { font-size: 0.9rem; color: var(--text-secondary); }

/* ===== PAGE HEADER ===== */
.page-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 2.5rem 0;
    text-align: center;
}
.page-header h1 { font-size: 1.8rem; font-weight: 700; margin-bottom: 0.3rem; }
.page-header p { opacity: 0.9; }

/* ===== FILTERS ===== */
.filter-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    padding: 1.25rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.filter-group { display: flex; flex-direction: column; gap: 0.3rem; min-width: 200px; }
.filter-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); display: flex; align-items: center; gap: 0.3rem; }

.filter-select, .input-custom {
    padding: 0.65rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-xs);
    font-family: var(--font);
    font-size: 0.9rem;
    background: var(--bg);
    color: var(--text);
    transition: var(--transition);
    outline: none;
    width: 100%;
}
.filter-select:focus, .input-custom:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255,90,95,0.1); }

.input-lg { font-size: 1.1rem; padding: 0.9rem 1.25rem; }

textarea.input-custom { resize: vertical; }

/* ===== ROOM DETAIL ===== */
.room-detail-section { padding: 2rem 0; }

.breadcrumb-custom {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.breadcrumb-custom a { color: var(--text-secondary); }
.breadcrumb-custom a:hover { color: var(--primary); }

.room-detail-grid { display: grid; grid-template-columns: 1fr 380px; gap: 2rem; }

.room-detail-image { margin-bottom: 1.5rem; }

.room-detail-info h1 { font-size: 1.8rem; font-weight: 700; margin-bottom: 0.75rem; }

.room-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.room-detail-meta span { display: flex; align-items: center; gap: 0.3rem; }
.room-detail-meta i { color: var(--primary); }

.badge-type {
    padding: 0.25rem 0.75rem;
    background: rgba(255,90,95,0.1);
    color: var(--primary);
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.8rem;
}

.room-detail-desc { color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.7; }
.room-detail-address { color: var(--text-secondary); font-size: 0.9rem; }
.room-detail-address i { color: var(--primary); }

/* Amenities */
.room-amenities { margin-top: 2rem; }
.room-amenities h2 { font-size: 1.3rem; margin-bottom: 1rem; }
.room-amenities h2 i { color: var(--accent); }

.amenities-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.75rem; }
.amenity-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-surface);
    border-radius: var(--radius-xs);
    font-size: 0.9rem;
}
.amenity-item i { color: var(--secondary); font-size: 1.1rem; }

/* Pricing sidebar */
.pricing-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    position: sticky;
    top: 80px;
}
.pricing-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1rem; }
.pricing-card h3 i { color: var(--primary); }

.pricing-list { margin-bottom: 1.5rem; }

.pricing-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}
.pricing-item:last-child { border: none; }

.pricing-slot { display: flex; align-items: center; gap: 0.75rem; }
.slot-emoji { font-size: 1.5rem; }
.pricing-slot strong { display: block; font-size: 0.95rem; }
.pricing-slot small { color: var(--text-secondary); font-size: 0.8rem; }
.pricing-amount { font-weight: 700; color: var(--primary); font-size: 1.05rem; }

.chat-booking-btns { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 1rem; }

/* ===== BOOKING PAGE ===== */
.booking-section { padding: 2rem 0; }
.booking-grid { display: grid; grid-template-columns: 1fr 400px; gap: 2rem; }

.booking-date-picker { margin-bottom: 1.5rem; }
.booking-date-picker label { display: block; font-weight: 600; margin-bottom: 0.5rem; }

.booking-timeline h3 { margin-bottom: 1rem; font-size: 1.1rem; }

/* Timeline Grid */
.timeline-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-bottom: 1.5rem; }

.timeline-slot {
    position: relative;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}
.timeline-slot:hover:not(.slot-booked):not(.slot-expired) { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-3px); }

.slot-emoji { font-size: 2rem; margin-bottom: 0.5rem; }
.slot-name { font-weight: 700; font-size: 1rem; margin-bottom: 0.2rem; }
.slot-time { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.5rem; }
.slot-price { font-size: 1.2rem; font-weight: 800; color: var(--primary); margin-bottom: 0.5rem; }
.slot-status { font-size: 0.8rem; color: var(--success); }

.slot-available { border-color: rgba(6,214,160,0.3); }
.slot-available .slot-status { color: var(--success); }

.slot-selected {
    border-color: var(--primary) !important;
    background: rgba(255,90,95,0.05) !important;
    box-shadow: 0 0 0 3px rgba(255,90,95,0.15);
}
.slot-selected .slot-status { color: var(--primary); }
.slot-selected .slot-status::before { content: '✓ Đã chọn'; }
.slot-selected .slot-status i, .slot-selected .slot-status { color: var(--primary); font-weight: 600; }

.slot-booked {
    border-color: rgba(239,71,111,0.2);
    background: rgba(239,71,111,0.03);
    cursor: not-allowed;
    opacity: 0.6;
}
.slot-booked .slot-status { color: var(--danger); }
.slot-booked .slot-price { color: var(--text-light); text-decoration: line-through; }

.slot-legend {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.legend-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 0.4rem;
    vertical-align: middle;
}
.legend-dot.available { background: var(--success); }
.legend-dot.selected { background: var(--primary); }
.legend-dot.booked { background: var(--danger); }

/* Booking Summary */
.booking-form-wrap {
    position: sticky;
    top: 80px;
}

.booking-summary {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
}
.booking-summary h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1rem; }
.booking-summary h3 i { color: var(--primary); }

.summary-room { margin-bottom: 0.75rem; }
.summary-room strong { display: block; }
.summary-room small { color: var(--text-secondary); }

.summary-date { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 1rem; }
.summary-date i { color: var(--primary); }

.summary-slot-item {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    font-size: 0.9rem;
    border-bottom: 1px dashed var(--border);
}

.summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    margin-top: 1rem;
    border-top: 2px solid var(--border);
    font-weight: 700;
}
.total-amount { font-size: 1.3rem; color: var(--primary); }

.form-group-custom { margin-bottom: 1rem; }
.form-group-custom label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}
.form-group-custom label i { color: var(--primary); }

.chat-booking-section { margin-top: 1.5rem; }
.chat-booking-label { font-size: 0.9rem; color: var(--text-secondary); text-align: center; margin-bottom: 0.75rem; }
.chat-booking-section .chat-booking-btns { flex-direction: row; justify-content: center; }

/* ===== SUCCESS / TICKET ===== */
.success-section { padding: 2rem 0; }

.success-card {
    max-width: 550px;
    margin: 0 auto;
    text-align: center;
}

.success-icon { font-size: 4rem; color: var(--success); margin-bottom: 1rem; animation: bounceIn 0.6s ease; }
.success-card h1 { font-size: 1.8rem; margin-bottom: 0.5rem; }
.success-card > p { color: var(--text-secondary); margin-bottom: 2rem; }

.ticket-card, .ticket-full-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    text-align: left;
    margin-bottom: 1.5rem;
}

.ticket-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.ticket-header h2 { font-size: 1.1rem; margin: 0; }
.ticket-code {
    padding: 0.3rem 0.75rem;
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.ticket-qr {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-surface);
}
.ticket-qr img { max-width: 200px; border-radius: var(--radius-sm); }
.ticket-qr p { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.5rem; }

.ticket-details { padding: 1.25rem; }

.ticket-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    gap: 1rem;
}
.ticket-row:last-child { border: none; }
.ticket-row.highlight { background: rgba(255,90,95,0.05); margin: 0 -1.25rem; padding: 0.75rem 1.25rem; border-radius: var(--radius-xs); }

.ticket-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    min-width: 110px;
}
.ticket-label i { color: var(--primary); }

.ticket-value { font-weight: 500; text-align: right; }

.code-display {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 4px;
    font-family: 'Courier New', monospace;
}

.badge-slot {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: rgba(255,90,95,0.1);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin: 0.15rem;
}

.ticket-total {
    display: flex;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: var(--bg-surface);
    font-weight: 700;
    font-size: 1.1rem;
}

.ticket-countdown {
    text-align: center;
    padding: 0.75rem;
    background: linear-gradient(135deg, rgba(255,90,95,0.1), rgba(0,180,216,0.1));
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.success-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Ticket page standalone */
.ticket-page-body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #faf7f5, #fff0f0);
}
[data-theme="dark"] .ticket-page-body { background: linear-gradient(135deg, #0f0f1a, #1a1a2e); }

.ticket-full-card { max-width: 450px; width: 100%; }

.ticket-error-card {
    text-align: center;
    padding: 3rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
}
.ticket-error-card h2 { margin: 1rem 0 0.5rem; }
.ticket-error-card p { color: var(--text-secondary); margin-bottom: 1.5rem; }

/* ===== TRACUU ===== */
.tracuu-section { padding: 2rem 0; }
.tracuu-card {
    max-width: 650px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.tracuu-form { display: flex; gap: 0.75rem; }
.tracuu-form input { flex: 1; }

.tracuu-result {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border);
}
.tracuu-result h3 { color: var(--success); margin-bottom: 1rem; }

.tracuu-info { background: var(--bg-surface); border-radius: var(--radius-sm); padding: 1rem; }

/* ===== LOGIN ===== */
.login-section {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    max-width: 420px;
    width: 100%;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.login-header { text-align: center; margin-bottom: 2rem; }
.login-header i { font-size: 3rem; color: var(--primary); margin-bottom: 0.75rem; display: block; }
.login-header h1 { font-size: 1.5rem; }
.login-header p { color: var(--text-secondary); font-size: 0.9rem; }

.alert-error {
    padding: 0.75rem 1rem;
    background: rgba(239,71,111,0.1);
    color: var(--danger);
    border-radius: var(--radius-xs);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.login-footer { text-align: center; margin-top: 1.5rem; }
.login-footer a { color: var(--text-secondary); font-size: 0.9rem; }

/* ===== ADMIN ===== */
.admin-section { padding: 2rem 0; }

.admin-header { margin-bottom: 2rem; }
.admin-header h1 { font-size: 1.6rem; font-weight: 700; margin-bottom: 1rem; }
.admin-header h1 i { color: var(--primary); }

.admin-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 0.5rem;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-xs);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.85rem;
    transition: var(--transition);
}
.admin-nav-link:hover { background: var(--bg-surface); color: var(--primary); }
.admin-nav-link.active { background: var(--primary); color: #fff; }
.admin-nav-link.logout { color: var(--danger); margin-left: auto; }
.admin-nav-link.logout:hover { background: rgba(239,71,111,0.1); }

.admin-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
}
.admin-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1rem; }
.admin-card h3 i { color: var(--primary); }

.card-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.admin-form-card {
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px dashed var(--border);
}

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
    flex-shrink: 0;
}
.stat-primary .stat-icon { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }
.stat-success .stat-icon { background: linear-gradient(135deg, var(--success), #04b78b); }
.stat-warning .stat-icon { background: linear-gradient(135deg, var(--warning), #e59200); }
.stat-danger .stat-icon { background: linear-gradient(135deg, var(--danger), #d63060); }

.stat-info .stat-number { display: block; font-size: 1.3rem; font-weight: 800; }
.stat-info .stat-label { font-size: 0.8rem; color: var(--text-secondary); }

/* Chart */
.simple-chart {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    height: 180px;
    padding: 1rem 0;
}

.chart-bar-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: flex-end;
}

.chart-bar {
    width: 100%;
    max-width: 50px;
    background: linear-gradient(to top, var(--primary), var(--primary-light));
    border-radius: 8px 8px 0 0;
    min-height: 4px;
    position: relative;
    transition: height 0.5s ease;
}

.chart-value {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
    color: var(--text-secondary);
}

.chart-label { font-size: 0.75rem; color: var(--text-secondary); margin-top: 0.4rem; }

/* Table */
.table-responsive { overflow-x: auto; }

.table-custom {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.table-custom th {
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
}
.table-custom td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.table-custom tbody tr:hover { background: var(--bg-surface); }

.action-btns { display: flex; gap: 0.4rem; }

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}
.status-pending { background: rgba(252,163,17,0.1); color: var(--warning); }
.status-confirmed { background: rgba(6,214,160,0.1); color: var(--success); }
.status-checkin { background: rgba(0,180,216,0.1); color: var(--secondary); }
.status-done { background: rgba(6,214,160,0.15); color: #04b78b; }
.status-cancel { background: rgba(239,71,111,0.1); color: var(--danger); }

.source-badge { font-size: 1.1rem; }
.source-web { color: var(--success); }
.source-messenger { color: #0084ff; }
.source-zalo { color: #0068ff; }

/* Filter tabs */
.filter-tabs { display: flex; gap: 0.25rem; }
.filter-tab {
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-xs);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}
.filter-tab:hover { background: var(--bg-surface); color: var(--primary); }
.filter-tab.active { background: var(--primary); color: #fff; }

/* Detail grid */
.detail-grid { display: grid; grid-template-columns: 1fr 350px; gap: 1.5rem; }

/* Form grid */
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-actions { display: flex; gap: 0.75rem; margin-top: 1rem; }

/* Checkbox grid */
.checkbox-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }

.checkbox-card {
    display: block;
    cursor: pointer;
}
.checkbox-card input { display: none; }
.checkbox-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 1rem;
    background: var(--bg-surface);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-align: center;
}
.checkbox-card input:checked + .checkbox-content {
    border-color: var(--primary);
    background: rgba(255,90,95,0.05);
    box-shadow: 0 0 0 3px rgba(255,90,95,0.1);
}
.checkbox-emoji { font-size: 1.5rem; }

/* Settings */
.settings-group-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 1.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border);
}
.settings-group-title:first-child { margin-top: 0; }

.settings-row { display: flex; align-items: flex-start; gap: 1rem; }
.settings-row label { min-width: 200px; flex-shrink: 0; }
.settings-row label small { display: block; color: var(--text-secondary); font-weight: 400; font-size: 0.8rem; }
.settings-row input, .settings-row textarea { flex: 1; }

.color-input-wrap { display: flex; align-items: center; gap: 0.5rem; flex: 1; }
.color-input-wrap input[type="color"] { width: 50px; height: 40px; border: none; cursor: pointer; border-radius: var(--radius-xs); }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}
.empty-state i { font-size: 3rem; margin-bottom: 1rem; display: block; }
.empty-state h3 { margin-bottom: 0.5rem; }

/* Toast */
.toast-notification {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.4s ease;
    max-width: 400px;
}
.toast-success { background: var(--success); color: #fff; }
.toast-error { background: var(--danger); color: #fff; }
.toast-notification button { background: none; border: none; color: #fff; cursor: pointer; font-size: 1.1rem; }

/* ===== FOOTER ===== */
.footer-main {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
}

.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

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

.footer-col h3 { font-size: 1.2rem; margin-bottom: 0.75rem; color: var(--primary); }
.footer-col h3 i { margin-right: 0.3rem; }
.footer-col h4 { font-size: 1rem; margin-bottom: 0.75rem; }
.footer-col p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }
.footer-col ul { list-style: none; }
.footer-col ul li { padding: 0.3rem 0; font-size: 0.9rem; color: var(--text-secondary); }
.footer-col ul li a { color: var(--text-secondary); }
.footer-col ul li a:hover { color: var(--primary); }
.footer-col ul li i { margin-right: 0.4rem; color: var(--primary); }

.footer-social { display: flex; gap: 0.75rem; margin-top: 1rem; }
.footer-social a {
    width: 38px;
    height: 38px;
    background: var(--bg-surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; }

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-fade-up { animation: fadeUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

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

.text-muted { color: var(--text-secondary) !important; }

/* ===== RESPONSIVE ===== */

/* Tablet */
@media (max-width: 768px) {
    .nav-menu { 
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border);
        z-index: 999;
    }
    .nav-menu.active { display: flex; }
    .nav-toggle { display: flex; }

    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }

    /* Grid layouts -> single column */
    .room-detail-grid { grid-template-columns: 1fr; }
    .booking-grid { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .form-grid-2 { grid-template-columns: 1fr; }
    .timeline-grid { grid-template-columns: 1fr; }
    .areas-grid { grid-template-columns: repeat(2, 1fr); }
    .rooms-grid { grid-template-columns: 1fr; }

    /* Admin nav scroll horizontal */
    .admin-nav { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
    .admin-nav-link { white-space: nowrap; flex-shrink: 0; }

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

    .settings-row { flex-direction: column; }
    .settings-row label { min-width: auto; }

    .filter-bar { flex-direction: column; }

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

    /* Booking form sidebar -> full width */
    .booking-form-wrap { position: static; }
    .pricing-card { position: static; }

    /* Table responsive */
    .table-custom { font-size: 0.8rem; }
    .table-custom th, .table-custom td { padding: 0.5rem; }

    /* Ticket page */
    .ticket-full-card { max-width: 100%; }
    .ticket-page-body { padding: 1rem; }
    .ticket-header { flex-direction: column; gap: 0.5rem; text-align: center; }
    .ticket-row { flex-direction: column; gap: 0.25rem; }
    .ticket-value { text-align: left; }

    /* Buttons touch-friendly */
    .btn-primary-custom, .btn-outline-custom { 
        padding: 0.75rem 1.25rem; 
        font-size: 0.9rem;
        min-height: 44px;
    }

    /* Actions wrap */
    .tc-actions { flex-direction: column; align-items: stretch; }
    .tc-actions .tc-btn { justify-content: center; }
    .form-actions { flex-wrap: wrap; }
    .form-actions .btn-primary-custom,
    .form-actions .btn-outline-custom { flex: 1; min-width: 120px; justify-content: center; text-align: center; }

    /* Container padding */
    .container-custom { padding: 0 1rem; }

    /* Admin card */
    .admin-card { padding: 1rem; }
    .admin-header h1 { font-size: 1.3rem; }

    /* Page header */
    .page-header { padding: 1.5rem 0; }
    .page-header h1 { font-size: 1.4rem; }

    /* Room card */
    .room-card-body { padding: 1rem; }

    /* Filter tabs scroll */
    .filter-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; }
    .filter-tab { white-space: nowrap; flex-shrink: 0; }

    /* Success page */
    .tc-wrap { padding: 0 10px; margin: 20px auto; }
    .tc-body { padding: 4px 16px 20px; }
    .tc-header h1 { font-size: 18px; }
    .tc-order-row { font-size: 13px; }
    .tc-pay { padding: 14px; }
    .tc-bank-row { flex-direction: column; gap: 6px; align-items: flex-start; }
}

/* Mobile small */
@media (max-width: 480px) {
    .hero-slide { min-height: 350px; padding: 2rem 1rem; }
    .hero-title { font-size: 1.5rem; }
    .hero-subtitle { font-size: 0.9rem; }
    .hero-stats { gap: 1rem; }
    .stat-number { font-size: 1.3rem; }
    .hero-cta { flex-direction: column; gap: 0.5rem; }

    .areas-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .checkbox-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }

    /* Container */
    .container-custom { padding: 0 0.75rem; }

    /* Navbar */
    .nav-brand { font-size: 1.1rem; }
    .nav-brand i { font-size: 1.3rem; }

    /* Admin */
    .admin-header h1 { font-size: 1.1rem; }
    .admin-nav-link { padding: 0.4rem 0.7rem; font-size: 0.8rem; }
    .stat-card { flex-direction: column; text-align: center; padding: 1rem; }
    .stat-icon { width: 40px; height: 40px; font-size: 1.1rem; }

    /* Table */
    .table-custom { font-size: 0.75rem; }
    .table-custom th, .table-custom td { padding: 0.4rem 0.3rem; }
    .action-btns { flex-direction: column; gap: 0.3rem; }
    .action-btns .btn-outline-custom { padding: 0.4rem 0.6rem; font-size: 0.75rem; }

    /* Ticket */
    .ticket-header h2 { font-size: 0.95rem; }
    .ticket-code { font-size: 0.75rem; }
    .ticket-details { padding: 0.75rem; }
    .ticket-label { font-size: 0.8rem; min-width: 80px; }
    .ticket-value { font-size: 0.85rem; }
    .code-display { font-size: 1.2rem; letter-spacing: 3px; }
    .ticket-total { font-size: 1rem; padding: 0.75rem; }
    .ticket-qr img { max-width: 150px; }

    /* Booking */
    .booking-summary { padding: 1rem; }
    .booking-summary h3 { font-size: 1rem; }
    .total-amount { font-size: 1.1rem; }

    /* Room detail */
    .room-detail-info h1 { font-size: 1.4rem; }

    /* Login */
    .login-card { padding: 1.5rem; }

    /* Success page */
    .tc-wrap { margin: 12px auto; }
    .tc-header { padding: 24px 16px 20px; }
    .tc-header h1 { font-size: 16px; }
    .tc-icon { width: 56px; height: 56px; font-size: 28px; }
    .tc-order-total { font-size: 16px; }
    .tc-qr-img { max-width: 160px; }
    .tc-upload h4 { font-size: 14px; }
    .tc-btn { padding: 10px 18px; font-size: 13px; }

    /* Settings */
    .settings-row { gap: 0.5rem; }
    .color-input-wrap { flex-direction: column; align-items: flex-start; }
}

/* Print styles */
@media print {
    .navbar-main, .footer-main, .admin-nav, .form-actions, .btn-primary-custom, .btn-outline-custom { display: none !important; }
    .main-content { padding-top: 0; }
    .admin-card { box-shadow: none; border: 1px solid #ddd; }
}