:root, [data-theme="pastel_gold"] {
    --bg: #fffaf6;
    --pastel-pink: #f7e4e4;
    --pastel-nude: #efe0d2;
    --gold: #c9a24b;
    --gold-dark: #a9822f;
    --text: #4a3f35;
    --text-light: #6b5d4f;
    --white: #ffffff;
    --border: #e8dcd0;
    --font: 'Georgia', 'Times New Roman', serif;
    --danger: #b5544a;
    --success: #5a7d54;
}

[data-theme="rose_blush"] {
    --bg: #fff7f8;
    --pastel-pink: #fde2e7;
    --pastel-nude: #fbeaec;
    --gold: #d46a80;
    --gold-dark: #b14f63;
    --text: #4a2530;
    --text-light: #7a4a55;
    --white: #ffffff;
    --border: #f3d4da;
    --font: 'Georgia', 'Times New Roman', serif;
    --danger: #b5544a;
    --success: #5a7d54;
}

[data-theme="mint_fresh"] {
    --bg: #f5fbf8;
    --pastel-pink: #e2f5ec;
    --pastel-nude: #eaf7f1;
    --gold: #4fae8a;
    --gold-dark: #3a8b6c;
    --text: #204035;
    --text-light: #4a6d5f;
    --white: #ffffff;
    --border: #d3ede1;
    --font: 'Helvetica Neue', Arial, sans-serif;
    --danger: #b5544a;
    --success: #5a7d54;
}

[data-theme="lavender_dream"] {
    --bg: #faf8fd;
    --pastel-pink: #ede4f7;
    --pastel-nude: #f2ecf9;
    --gold: #9b7bc9;
    --gold-dark: #7d5fab;
    --text: #352b45;
    --text-light: #5f5270;
    --white: #ffffff;
    --border: #e2d7f0;
    --font: 'Playfair Display', Georgia, serif;
    --danger: #b5544a;
    --success: #5a7d54;
}

[data-theme="classic_black_gold"] {
    --bg: #1a1a1a;
    --pastel-pink: #2b2b2b;
    --pastel-nude: #242424;
    --gold: #cba135;
    --gold-dark: #a8822a;
    --text: #f5f0e6;
    --text-light: #c9bfa8;
    --white: #262626;
    --border: #3a3a3a;
    --font: 'Playfair Display', Georgia, serif;
    --danger: #e0776a;
    --success: #6fbf8f;
}

[data-theme="deep_emerald"] {
    --bg: #0f1f1a;
    --pastel-pink: #163026;
    --pastel-nude: #13281f;
    --gold: #c9a24b;
    --gold-dark: #a9822f;
    --text: #eaf3ee;
    --text-light: #a8c4b8;
    --white: #1a3229;
    --border: #274a3c;
    --font: 'Georgia', 'Times New Roman', serif;
    --danger: #e0776a;
    --success: #6fbf8f;
}

* { box-sizing: border-box; }

body {
    font-family: var(--font, 'Georgia', 'Times New Roman', serif);
    color: var(--text);
    background: var(--bg);
    margin: 0;
    line-height: 1.6;
}

a { color: var(--gold-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Nav */
.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}
.navbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.brand {
    font-size: 22px;
    letter-spacing: 2px;
    color: var(--text);
}
.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
    font-size: 14px;
}
.nav-links a { color: var(--text); }
.nav-links a.btn { color: var(--white); }
.nav-links a.btn-outline { color: var(--gold-dark); }
.lang-toggle a { font-size: 12px; margin-left: 4px; color: var(--gold-dark); }
.lang-toggle a.active { font-weight: bold; text-decoration: underline; }

.btn {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 999px;
    border: 1px solid var(--gold);
    background: var(--gold);
    color: var(--white);
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: var(--gold-dark); border-color: var(--gold-dark); text-decoration: none; }
.btn-outline { background: transparent; color: var(--gold-dark); }
.btn-outline:hover { background: var(--pastel-pink); }
.btn-danger { background: var(--danger); border-color: var(--danger); }
.btn-sm { padding: 6px 14px; font-size: 13px; }

.btn-hero-cta {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: .3px;
    padding: 16px 42px;
    margin-top: 4px;
}
.btn-glow {
    box-shadow: 0 4px 20px rgba(0,0,0,.15), 0 0 0 0 color-mix(in srgb, var(--cta-glow, #c9a24b) 45%, transparent);
    animation: btn-glow-pulse 2.4s ease-in-out infinite;
    transition: transform .15s ease, box-shadow .15s ease;
}
.btn-glow:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 10px 26px rgba(0,0,0,.2);
    animation-play-state: paused;
}
@keyframes btn-glow-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(0,0,0,.15), 0 0 0 0 color-mix(in srgb, var(--cta-glow, #c9a24b) 45%, transparent); }
    50% { box-shadow: 0 4px 20px rgba(0,0,0,.15), 0 0 0 14px color-mix(in srgb, var(--cta-glow, #c9a24b) 0%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
    .btn-glow { animation: none; }
}

.btn-station-highlight {
    background: var(--station-highlight, var(--success));
    border-color: var(--station-highlight, var(--success));
    color: var(--white);
    font-weight: 700;
    letter-spacing: .2px;
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--station-highlight, var(--success)) 55%, transparent);
    animation: btn-station-pulse 1.8s ease-in-out infinite;
}
.btn-station-highlight:hover {
    background: var(--station-highlight, var(--success));
    filter: brightness(1.08);
    box-shadow: 0 4px 14px rgba(0,0,0,.2);
    animation-play-state: paused;
}
@keyframes btn-station-pulse {
    0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--station-highlight, var(--success)) 55%, transparent); }
    50% { box-shadow: 0 0 0 8px color-mix(in srgb, var(--station-highlight, var(--success)) 0%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
    .btn-station-highlight { animation: none; }
}

/* Hero */
.hero {
    background: linear-gradient(160deg, var(--pastel-pink) 0%, var(--pastel-nude) 100%);
    padding: 60px 0;
    text-align: center;
}
.hero img { max-width: 100%; border-radius: 16px; box-shadow: 0 8px 30px rgba(0,0,0,0.08); }
.hero h1 { font-size: 36px; font-weight: 400; margin-bottom: 12px; }
.hero p { color: var(--text-light); font-size: 17px; margin-bottom: 24px; }
.hero-slider { overflow: hidden; padding: 24px 0; -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent); mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent); }
.hero-slider-track { display: flex; gap: 16px; width: max-content; animation: hero-slide 26s linear infinite; }
.hero-slider-track img { width: 320px; flex-shrink: 0; }
.hero-slider:hover .hero-slider-track { animation-play-state: paused; }
@keyframes hero-slide {
    from { transform: translateX(0); }
    to { transform: translateX(calc(-50% - 8px)); }
}
@media (prefers-reduced-motion: reduce) {
    .hero-slider-track { animation: none; }
}

section { padding: 48px 0; }
.section-title {
    font-size: 26px;
    font-weight: 400;
    text-align: center;
    margin-bottom: 8px;
}
.section-divider {
    width: 60px;
    height: 2px;
    background: var(--gold);
    margin: 0 auto 32px;
}

/* Grid */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
}
.card img { width: 100%; display: block; aspect-ratio: 1/1; object-fit: cover; }
.card-body { padding: 16px; }
.card-title { font-size: 16px; margin: 0 0 6px; }

.testimonial {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
}
.testimonial .stars { color: var(--gold); margin-bottom: 8px; }
.testimonial .name { font-weight: bold; margin-top: 12px; font-size: 14px; }

/* Services */
.service-category { margin-bottom: 36px; }
.service-category h3 {
    color: var(--gold-dark);
    text-transform: uppercase;
    font-size: 15px;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}
.service-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
}
.service-row .name { }
.service-row .meta { color: var(--text-light); font-size: 13px; }
.service-row .price { color: var(--gold-dark); font-weight: bold; white-space: nowrap; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; color: var(--text-light); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
}
.form-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    max-width: 560px;
    margin: 0 auto;
}

/* Booking steps */
.steps { display: flex; justify-content: center; gap: 8px; margin-bottom: 32px; flex-wrap: wrap; }
.steps .step {
    padding: 6px 16px;
    border-radius: 999px;
    background: var(--pastel-nude);
    font-size: 13px;
    color: var(--text-light);
}
.steps .step.active { background: var(--gold); color: var(--white); }
.booking-step { display: none; }
.booking-step.active { display: block; }
.service-pick { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.service-pick label { flex: 1; margin: 0; font-size: 15px; color: var(--text); }
.slot-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 8px; margin-top: 12px; }
.slot-btn {
    padding: 8px 4px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--white);
    cursor: pointer;
    text-align: center;
    font-size: 14px;
}
.slot-btn.selected { background: var(--gold); color: var(--white); border-color: var(--gold); }
.total-price { text-align: right; font-size: 18px; margin: 16px 0; color: var(--gold-dark); }

/* Stamp card */
.stamp-card {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
}
.stamp {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--gold-dark);
}
.stamp.filled { background: var(--gold); color: var(--white); }

.voucher {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: var(--pastel-pink);
    border-radius: 10px;
    margin-bottom: 10px;
}
.voucher .code { font-weight: bold; letter-spacing: 1px; }

table { width: 100%; border-collapse: collapse; background: var(--white); }
table th, table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 14px;
    vertical-align: top;
    word-wrap: break-word;
    overflow-wrap: break-word;
}
table th { color: var(--text); font-weight: 700; text-transform: uppercase; font-size: 13px; letter-spacing: .03em; }

.appointment-row:hover { background: var(--pastel-nude); }
.appointment-detail-row { display: none; }
.appointment-detail-row.open { display: table-row; }
.appointment-detail-row td { background: var(--pastel-nude); }

.badge { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .2px; }
.combo-badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 11px;
    background: var(--gold);
    color: var(--white);
    margin-left: 8px;
    vertical-align: middle;
}
.badge-pending { background: color-mix(in srgb, var(--badge-pending, #8a6d1f) 20%, white); color: var(--badge-pending, #8a6d1f); }
.badge-confirmed { background: color-mix(in srgb, var(--badge-confirmed, #33608f) 20%, white); color: var(--badge-confirmed, #33608f); }
.badge-completed_paid { background: color-mix(in srgb, var(--badge-completed, #3d6b37) 20%, white); color: var(--badge-completed, #3d6b37); }
.badge-cancelled { background: color-mix(in srgb, var(--badge-cancelled, #a33e3e) 20%, white); color: var(--badge-cancelled, #a33e3e); }
.badge-no_show { background: color-mix(in srgb, var(--badge-noshow, #777777) 18%, white); color: var(--badge-noshow, #777777); }
.badge-failed { background: color-mix(in srgb, var(--badge-cancelled, #a33e3e) 20%, white); color: var(--badge-cancelled, #a33e3e); }
.badge-checked-in { font-size: 13px; font-weight: 700; padding: 4px 12px; animation: badge-checked-in-blink 1.1s ease-in-out infinite; }
@keyframes badge-checked-in-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
.badge-serving { font-size: 13px; font-weight: 700; padding: 4px 12px; }

.action-dropdown { position: relative; display: inline-block; }
.action-dropdown > summary { list-style: none; }
.action-dropdown > summary::-webkit-details-marker { display: none; }
.action-dropdown-menu { position: absolute; top: 100%; right: 0; z-index: 50; margin-top: 4px; background: var(--card-bg, #fff); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 4px 16px rgba(0,0,0,.12); padding: 8px; display: flex; flex-direction: column; gap: 6px; min-width: 170px; }

/* Dạng thẻ (kanban) cho lịch hẹn — mỗi thẻ là 1 khách, màu theo trạng thái để nhìn trực quan hơn bảng */
.appt-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; margin-bottom: 24px; }
.appt-card { border-radius: 14px; padding: 14px 16px; color: #fff; box-shadow: 0 3px 10px rgba(0,0,0,.14); display: flex; flex-direction: column; gap: 3px; }
.appt-card-top { display: flex; justify-content: space-between; align-items: center; font-size: 12px; opacity: .9; margin-bottom: 4px; }
.appt-card-state-label { background: rgba(255,255,255,.28); padding: 2px 9px; border-radius: 999px; font-weight: 700; white-space: nowrap; }
.appt-card-name { font-size: 17px; font-weight: 700; margin-bottom: 2px; }
.appt-card-meta { font-size: 12.5px; opacity: .92; }
.appt-card-actions { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.appt-card-actions .btn, .appt-card-actions .btn-outline, .appt-card-actions .action-dropdown > summary {
    background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.55); color: #fff;
}
.appt-card-actions .action-dropdown-menu .btn,
.appt-card-actions .action-dropdown-menu .btn-outline {
    background: var(--card-bg, #fff); color: var(--text); border-color: var(--border);
}
.appt-card-actions .action-dropdown-menu .btn-danger { background: var(--danger, #c0392b); color: #fff; border-color: transparent; }
.appt-card-booked { background: linear-gradient(135deg, #6a8fe0, #4f6fc4); }
.appt-card-checkedin { background: linear-gradient(135deg, #f0a94e, #d8862a); }
.appt-card-serving { background: linear-gradient(135deg, #a679e8, #8659c9); }
.appt-card-completed { background: linear-gradient(135deg, #6fbf7c, #4a9d58); }
.appt-card-cancelled { background: linear-gradient(135deg, #cf7373, #b25252); }
.appt-card-noshow { background: linear-gradient(135deg, #9a9a9a, #7a7a7a); }

/* Tô màu dòng lịch hẹn theo độ gấp: hôm nay đỏ nhạt, ngày mai vàng nhạt, còn lại giữ nguyên */
tr.appt-row-today { background: #fbe0dd; }
tr.appt-row-today:hover { background: #f6d0cc; }
tr.appt-row-tomorrow { background: #fdf1cf; }
tr.appt-row-tomorrow:hover { background: #fbe9b3; }
.appt-legend { display: flex; gap: 16px; align-items: center; font-size: 12px; color: var(--text-light); margin: 4px 0 14px; flex-wrap: wrap; }
.appt-legend span { display: inline-flex; align-items: center; gap: 6px; }
.appt-legend .dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.appt-legend .dot.today { background: #d9645a; }
.appt-legend .dot.tomorrow { background: #e0b23a; }

.flash { padding: 12px 18px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash.success { background: #dcecd8; color: #3d6b37; }
.flash.danger { background: #f2dcdc; color: #a33e3e; }

.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar {
    width: 220px;
    background: var(--text);
    color: var(--pastel-nude);
    flex-shrink: 0;
    padding: 24px 0;
}
.admin-sidebar a {
    display: block;
    padding: 12px 24px;
    color: var(--pastel-nude);
    font-size: 14px;
}
.admin-sidebar a:hover, .admin-sidebar a.active { background: rgba(255,255,255,0.08); text-decoration: none; }
.sidebar-group summary { display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; color: var(--pastel-nude); font-size: 14px; cursor: pointer; list-style: none; }
.sidebar-group summary::-webkit-details-marker { display: none; }
.sidebar-group summary::after { content: '▸'; font-size: 11px; opacity: .6; transition: transform .15s ease; }
.sidebar-group[open] summary::after { transform: rotate(90deg); }
.sidebar-group summary:hover { background: rgba(255,255,255,0.08); }
.sidebar-group a { padding-left: 40px; font-size: 13px; }
.admin-content { flex: 1; padding: 32px; background: var(--bg); min-width: 0; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 10px; }
.admin-hamburger { display: none; background: none; border: none; font-size: 22px; cursor: pointer; color: var(--text); padding: 4px 8px; line-height: 1; }
.admin-sidebar-backdrop { display: none; }

@media (max-width: 760px) {
    .admin-content { padding: 16px; }
    .admin-hamburger { display: inline-flex; }
    .admin-sidebar {
        position: fixed;
        top: 0; left: 0; bottom: 0;
        width: 240px;
        z-index: 200;
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform .25s ease;
    }
    .admin-sidebar.open { transform: translateX(0); }
    .admin-sidebar-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.4);
        z-index: 190;
        opacity: 0;
        pointer-events: none;
        transition: opacity .25s ease;
    }
    .admin-sidebar-backdrop.open { opacity: 1; pointer-events: auto; }
    .admin-content table { display: block; overflow-x: auto; white-space: nowrap; }
}

.stat-box {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}
.stat-box .value { font-size: 28px; color: var(--gold-dark); }
.stat-box .label { font-size: 13px; color: var(--text-light); }

.settings-layout { display: flex; gap: 24px; align-items: flex-start; flex-wrap: wrap; }
.settings-col { flex: 1 1 380px; min-width: 300px; }
.settings-accordion-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 16px;
    overflow: hidden;
}
.settings-accordion-item summary {
    list-style: none;
    cursor: pointer;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 15px;
    font-weight: 600;
}
.settings-accordion-item summary::-webkit-details-marker { display: none; }
.settings-accordion-item summary::after { content: '▾'; color: var(--text-light); font-weight: normal; transition: transform 0.15s; }
.settings-accordion-item[open] summary::after { transform: rotate(180deg); }
.settings-accordion-item .accordion-body { padding: 0 20px 20px; border-top: 1px solid var(--border); padding-top: 16px; }
.settings-status-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; margin-right: 8px; }
.settings-status-dot.on { background: #3d6b37; }
.settings-status-dot.off { background: #a33e3e; }

.low-stock-banner {
    background: #f9e6d8;
    border: 1px solid #e0a866;
    color: #8a5a1f;
    padding: 12px 18px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.tag-filter { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.tag-filter a {
    padding: 6px 16px;
    border-radius: 999px;
    background: var(--white);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 13px;
}
.tag-filter a.active { background: var(--gold); color: var(--white); border-color: var(--gold); }

footer {
    background: var(--text);
    color: var(--pastel-nude);
    text-align: center;
    padding: 24px;
    font-size: 13px;
    margin-top: 60px;
}

/* Modal dialogs */
dialog.modal {
    border: none;
    border-radius: 16px;
    padding: 0;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0,0,0,.25);
    color: var(--text);
    background: var(--white);
}
dialog.modal::backdrop {
    background: rgba(0,0,0,.45);
    backdrop-filter: blur(2px);
}
.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-header h3 { margin: 0; font-size: 17px; font-weight: normal; }
.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-light);
    line-height: 1;
}
.modal-body { padding: 20px 24px; max-height: 70vh; overflow-y: auto; }
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}
.modal-trigger-row { display: flex; gap: 8px; flex-wrap: wrap; }
dialog.modal.modal-wide { max-width: 620px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row .form-group { margin-bottom: 0; }

.cat-picker { position: relative; }
.cat-picker-input {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    background: var(--white);
    font-size: 14px;
    user-select: none;
}
.cat-picker-panel {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
    max-height: 200px;
    overflow-y: auto;
    z-index: 30;
}
.cat-option {
    padding: 9px 12px;
    cursor: pointer;
    font-size: 14px;
}
.cat-option:hover { background: var(--pastel-nude); }
.cat-option.selected { background: var(--pastel-pink); font-weight: bold; }
.cat-option-new { color: var(--gold-dark); border-top: 1px solid var(--border); }
.cat-new-row { padding: 8px; display: flex; gap: 6px; border-top: 1px solid var(--border); }
.cat-new-row input { flex: 1; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }

.cat-context-menu {
    position: fixed;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
    z-index: 1000;
    overflow: hidden;
    min-width: 130px;
}
.cat-context-menu button {
    display: block;
    width: 100%;
    text-align: left;
    padding: 9px 14px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 13px;
    color: var(--text);
}
.cat-context-menu button:hover { background: var(--pastel-nude); }
.cat-context-menu button.danger-text { color: var(--danger); }

.category-manage-panel {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
}
.category-chip-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.category-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--pastel-nude);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 5px 6px 5px 14px;
    font-size: 13px;
    color: var(--text);
}
.chip-btn {
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-light);
    font-size: 13px;
    padding: 3px 6px;
    border-radius: 999px;
    line-height: 1;
}
.chip-btn:hover { background: var(--white); color: var(--text); }
.chip-btn[data-action="delete"]:hover { color: var(--danger); }

.lang-switcher { position: relative; display: inline-block; }
.lang-switcher-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 5px 14px;
    font-size: 12px;
    color: var(--text);
    cursor: pointer;
    font-family: inherit;
}
.lang-switcher-btn:hover { border-color: var(--gold); }
.lang-switcher-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
    min-width: 150px;
    overflow: hidden;
    z-index: 40;
}
.lang-switcher-menu.show { display: block; }
.lang-switcher-menu a {
    display: block;
    padding: 10px 14px;
    font-size: 13px;
    color: var(--text);
}
.lang-switcher-menu a:hover { background: var(--pastel-nude); text-decoration: none; }
.lang-switcher-menu a.active { background: var(--pastel-pink); font-weight: bold; }

/* Print (VD in phiếu lương): chỉ in nội dung trong #print-area, ẩn hết phần còn lại của trang. */
.print-header { margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--gold); }
.print-header h2 { margin: 0 0 4px; }
.print-header .meta { color: var(--text-light); font-size: 13px; }
#print-area { display: none; }
@media print {
    body.printing > *:not(#print-area) { display: none !important; }
    #print-area { display: block !important; padding: 24px; }
}

/* Info tooltip nhỏ gọn (VD giải thích "trước thuế"/"% thuế") — rê chuột hoặc focus để xem. */
.info-tip {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--pastel-nude);
    color: var(--gold-dark);
    font-size: 11px;
    font-style: normal;
    font-weight: bold;
    cursor: help;
    margin-left: 6px;
    vertical-align: middle;
}
.info-tip .tip-bubble {
    display: none;
    position: absolute;
    bottom: calc(100% + 9px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--text);
    color: var(--white);
    font-size: 12px;
    font-weight: normal;
    line-height: 1.5;
    padding: 10px 12px;
    border-radius: 8px;
    width: 260px;
    z-index: 60;
    box-shadow: 0 8px 24px rgba(0,0,0,.2);
    text-align: left;
    white-space: normal;
}
.info-tip .tip-bubble::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--text);
}
.info-tip:hover .tip-bubble, .info-tip:focus .tip-bubble { display: block; }

/* Panel dịch nhanh trượt bên phải trang admin (hỗ trợ gõ song ngữ VI/EN, không cần mở tab khác) */
.translate-tab {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gold);
    color: var(--white);
    padding: 14px 8px;
    border-radius: 8px 0 0 8px;
    cursor: pointer;
    z-index: 70;
    writing-mode: vertical-rl;
    font-size: 13px;
    box-shadow: -2px 0 8px rgba(0,0,0,.15);
    border: none;
    font-family: inherit;
}
.translate-tab:hover { background: var(--gold-dark); }
.translate-panel {
    position: fixed;
    top: 0;
    right: -340px;
    width: 320px;
    max-width: 90vw;
    height: 100%;
    background: var(--white);
    box-shadow: -4px 0 20px rgba(0,0,0,.2);
    z-index: 71;
    transition: right 0.25s ease;
    padding: 24px 20px;
    overflow-y: auto;
}
.translate-panel.open { right: 0; }
.translate-panel textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    resize: vertical;
}
.translate-result-box {
    margin-top: 14px;
    padding: 12px;
    background: var(--pastel-nude);
    border-radius: 8px;
    min-height: 60px;
    font-size: 14px;
    white-space: pre-wrap;
    color: var(--text);
}

/* Panel giới thiệu trái/phải trên trang khách hàng — chủ tiệm bật/tắt trong Giao diện màu.
   LƯU Ý: cố tình không đặt tên class/id chứa "ad" (VD "ad-panel") vì các trình chặn quảng
   cáo (uBlock, AdGuard...) tự ẩn theo tên chung chung như vậy dù nội dung là gì. */
.promo-panel {
    position: fixed;
    top: 50%;
    width: clamp(100px, 9vw, 240px);
    z-index: 45;
    display: none;
    opacity: 0;
    transition: opacity .6s ease, transform .6s ease;
}
.promo-panel.promo-left { left: clamp(6px, 1.2vw, 28px); transform: translateY(-50%) translateX(-40px); }
.promo-panel.promo-right { right: clamp(6px, 1.2vw, 28px); transform: translateY(-50%) translateX(40px); }
.promo-panel.promo-revealed { opacity: 1; transform: translateY(-50%) translateX(0); }
.promo-panel a { display: block; }

.promo-frame {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,.18);
    animation: promo-glow 2.8s ease-in-out infinite alternate;
}
.promo-panel.promo-right .promo-frame { animation-delay: 1.4s; }

.promo-panel img {
    width: 100%;
    display: none;
    will-change: transform;
    transform-origin: center center;
    animation: promo-kenburns 9s ease-in-out infinite alternate;
}
.promo-panel img.promo-active { display: block; }
.promo-panel.promo-right img { animation-delay: 1.5s; }

.promo-frame::after {
    content: '';
    position: absolute;
    top: 0;
    left: -30%;
    width: 20%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,.4), transparent);
    transform: skewX(-20deg);
    animation: promo-shine 4.5s ease-in-out infinite;
    pointer-events: none;
}
.promo-panel.promo-right .promo-frame::after { animation-delay: 2s; }

.promo-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    background: var(--gold-dark);
    color: var(--white);
    font-size: 10px;
    font-weight: bold;
    padding: 3px 9px;
    border-radius: 999px;
    z-index: 2;
    animation: promo-badge-pulse 1.6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes promo-kenburns {
    from { transform: scale(1); }
    to { transform: scale(1.08); }
}
@keyframes promo-glow {
    from { box-shadow: 0 8px 24px rgba(0,0,0,.18), 0 0 6px 1px var(--gold-dark); }
    to { box-shadow: 0 8px 24px rgba(0,0,0,.18), 0 0 16px 4px var(--gold-dark); }
}
@keyframes promo-shine {
    0% { left: -30%; opacity: 0; }
    4% { opacity: .4; }
    28% { left: 130%; opacity: 0; }
    100% { left: 130%; opacity: 0; }
}
@keyframes promo-badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.12); }
}
@media (min-width: 900px) {
    .promo-panel { display: block; }
}
@media (prefers-reduced-motion: reduce) {
    .promo-frame, .promo-panel img, .promo-frame::after, .promo-badge {
        animation: none;
    }
    .promo-panel, .promo-panel.promo-left, .promo-panel.promo-right {
        transition: none;
        opacity: 1;
        transform: translateY(-50%);
    }
}

/* Chia đôi Nail/Eyelash khi tiệm chọn làm cả 2 nghề */
.industry-split { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
@media (max-width: 760px) {
    .industry-split { grid-template-columns: 1fr; }
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -10px;
    background: var(--gold-dark, #b8860b);
    color: #fff;
    font-size: 10px;
    line-height: 1;
    padding: 3px 5px;
    border-radius: 999px;
    min-width: 14px;
    text-align: center;
}