/* =============================================================================
   Tử Vi Số · Main stylesheet
   ============================================================================= */

:root {
    --ink: #0a0e1a;
    --ink-2: #111626;
    --surface: #161c30;
    --surface-2: #1d2440;
    --line: #2a3252;
    --line-soft: rgba(255, 255, 255, 0.06);
    --gold: #d4af37;
    --gold-soft: #c9a961;
    --gold-glow: rgba(212, 175, 55, 0.4);
    --cream: #ebe1c8;
    --cream-dim: #b8ad8e;
    --vermilion: #c44536;
    --jade: #5d8a7f;
    --mystic: #6b7ab8;
    --text: #e8e3d3;
    --text-dim: #8b8a7e;
    --zalo: #0068ff;

    --serif: 'Cormorant Garamond', Georgia, serif;
    --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --mono: 'JetBrains Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--ink);
    color: var(--text);
    font-family: var(--sans);
    font-weight: 300;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

body {
    background-image:
        radial-gradient(ellipse 800px 600px at 100% 0%, rgba(212, 175, 55, 0.08), transparent 60%),
        radial-gradient(ellipse 600px 500px at 0% 100%, rgba(107, 122, 184, 0.06), transparent 60%);
    background-attachment: fixed;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
    opacity: 0.04;
    z-index: 1;
    mix-blend-mode: screen;
}

main { position: relative; z-index: 2; min-height: calc(100vh - 200px); }

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

::selection { background: rgba(212, 175, 55, 0.3); color: var(--cream); }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 720px; margin: 0 auto; padding: 0 20px; }

/* =============================================================================
   TYPOGRAPHY
   ============================================================================= */
.heading-serif { font-family: var(--serif); font-weight: 500; color: var(--cream); letter-spacing: -0.01em; }
.label-mono {
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    color: var(--gold);
    text-transform: uppercase;
}

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; color: var(--cream); margin: 0 0 0.5em 0; line-height: 1.1; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
em { font-style: italic; color: var(--gold); }

/* =============================================================================
   BUTTONS & INPUTS
   ============================================================================= */
.btn-primary, button.btn-primary {
    display: inline-block;
    padding: 12px 20px;
    background: var(--gold);
    color: var(--ink);
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
}
.btn-primary:hover { background: var(--gold-soft); color: var(--ink); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
    display: inline-block;
    padding: 12px 20px;
    background: var(--surface);
    border: 1px solid var(--line);
    color: var(--cream);
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--sans);
    font-size: 0.875rem;
    text-decoration: none;
}
.btn-secondary:hover { border-color: var(--gold); color: var(--gold); }

.btn-ghost {
    display: inline-block;
    padding: 8px 16px;
    color: var(--cream-dim);
    background: transparent;
    border: none;
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: none;
    transition: color 0.2s;
}
.btn-ghost:hover { color: var(--gold); }

.btn-block { display: block; width: 100%; text-align: center; }

input, select, textarea, .input-base {
    width: 100%;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--line);
    color: var(--cream);
    font-family: var(--sans);
    font-size: 1rem;
    transition: border-color 0.2s;
}
input:focus, select:focus, textarea:focus { border-color: var(--gold); outline: none; }
input::placeholder { color: var(--text-dim); }

label, .label-block {
    display: block;
    margin-bottom: 8px;
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    color: var(--gold);
    text-transform: uppercase;
}

.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-help { font-size: 0.7rem; color: var(--text-dim); margin-top: 4px; }

/* =============================================================================
   CARDS
   ============================================================================= */
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    padding: 20px;
    transition: border-color 0.2s;
}
.card:hover { border-color: var(--line); }
.card-link { display: block; text-decoration: none; color: inherit; }
.card-link:hover { border-color: var(--gold-soft); }
.card-highlight { border-color: var(--gold); }

/* =============================================================================
   ALERTS / FLASH
   ============================================================================= */
.flash, .alert {
    padding: 12px 16px;
    margin-bottom: 16px;
    font-size: 0.875rem;
    border: 1px solid;
}
.flash-error, .alert-error { color: var(--vermilion); border-color: rgba(196, 69, 54, 0.5); background: rgba(196, 69, 54, 0.1); }
.flash-success, .alert-success { color: var(--jade); border-color: rgba(93, 138, 127, 0.5); background: rgba(93, 138, 127, 0.1); }
.flash-info, .alert-info { color: var(--mystic); border-color: rgba(107, 122, 184, 0.5); background: rgba(107, 122, 184, 0.1); }

/* =============================================================================
   TOPNAV
   ============================================================================= */
.topnav {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(20px);
    background: rgba(10, 14, 26, 0.85);
    border-bottom: 1px solid var(--line-soft);
}
.topnav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    padding-bottom: 12px;
}
.brand {
    display: flex;
    align-items: baseline;
    gap: 6px;
    color: var(--cream);
}
.brand-name {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--cream);
    letter-spacing: -0.01em;
}
.brand-glyph {
    font-family: var(--serif);
    font-size: 0.75rem;
    color: var(--gold);
    font-style: italic;
}
.topnav-actions { display: flex; gap: 8px; align-items: center; }

/* =============================================================================
   FOOTER
   ============================================================================= */
.site-footer {
    border-top: 1px solid var(--line);
    padding: 40px 0;
    margin-top: 64px;
    text-align: center;
}
.footer-brand { font-family: var(--serif); font-size: 1.25rem; color: var(--cream); margin-bottom: 8px; }
.footer-tag { font-size: 0.875rem; color: var(--cream-dim); margin-bottom: 12px; }
.footer-contact { font-family: var(--mono); font-size: 0.75rem; color: var(--gold); letter-spacing: 0.05em; }
.footer-meta { font-size: 0.75rem; color: var(--text-dim); margin-top: 16px; }
.footer-glyph {
    font-family: var(--serif);
    font-size: 1.25rem;
    color: var(--gold);
    letter-spacing: 0.4em;
    margin-top: 16px;
    font-style: italic;
}
.text-center { text-align: center; }

/* =============================================================================
   ZALO FAB
   ============================================================================= */
.zalo-fab {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--zalo);
    color: white;
    border-radius: 999px;
    box-shadow: 0 10px 30px -8px rgba(0, 104, 255, 0.6);
    transition: transform 0.2s;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
}
.zalo-fab:hover { transform: translateY(-4px); color: white; }
.zalo-icon {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1rem;
    width: 24px;
    height: 24px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
.zalo-text { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.02em; }
@media (max-width: 480px) {
    .zalo-text { display: none; }
}

/* =============================================================================
   HOMEPAGE HERO
   ============================================================================= */
.hero { padding: 48px 20px 64px; text-align: center; }
.hero-mantra {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 20px;
}
.hero-title {
    font-family: var(--serif);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    color: var(--cream);
    line-height: 0.95;
    letter-spacing: -0.02em;
    margin: 0 0 12px 0;
}
.hero-title em { font-style: italic; color: var(--gold); }
.hero-sub {
    font-size: 1.125rem;
    color: var(--cream-dim);
    max-width: 480px;
    margin: 0 auto 32px;
}
.hero-sub-italic { color: var(--gold-soft); font-size: 0.875rem; font-style: italic; }

/* Search box */
.search-box {
    max-width: 640px;
    margin: 0 auto;
    background: var(--surface);
    border: 1px solid var(--line);
    padding: 24px;
}
.search-box .label-mono { margin-bottom: 16px; }

/* Modules grid */
.modules-section { padding: 64px 20px; max-width: 1100px; margin: 0 auto; }
.modules-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-top: 40px; }
.module-card { background: var(--surface); border: 1px solid var(--line); padding: 20px; }
.module-glyph { font-family: var(--serif); font-size: 2rem; color: rgba(212, 175, 55, 0.4); margin-bottom: 12px; }
.module-title { font-family: var(--serif); font-size: 1.25rem; color: var(--cream); margin-bottom: 4px; }
.module-sub { font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.2em; color: var(--gold-soft); text-transform: uppercase; margin-bottom: 12px; }
.module-body { font-size: 0.875rem; color: var(--cream-dim); }

/* =============================================================================
   AUTH PAGES (login / signup)
   ============================================================================= */
.auth-wrap {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 20px;
}
.auth-card {
    width: 100%;
    max-width: 440px;
}
.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}
.auth-logo-glyph {
    font-family: var(--serif);
    font-size: 3rem;
    color: var(--gold);
    letter-spacing: 0.2em;
    margin-bottom: 12px;
}
.auth-title {
    font-family: var(--serif);
    font-size: 1.875rem;
    color: var(--cream);
    margin-bottom: 4px;
    text-align: center;
}
.auth-sub { color: var(--cream-dim); font-size: 0.875rem; text-align: center; margin-bottom: 24px; }
.auth-bottom { text-align: center; margin-top: 24px; font-size: 0.875rem; color: var(--cream-dim); }

/* =============================================================================
   DASHBOARD
   ============================================================================= */
.dashboard-layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 240px;
    background: rgba(17, 22, 38, 0.5);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
}
.sidebar-brand {
    padding: 20px 24px;
    border-bottom: 1px solid var(--line-soft);
    display: flex;
    align-items: baseline;
    gap: 6px;
}
.sidebar-user {
    padding: 16px 20px;
    border-bottom: 1px solid var(--line-soft);
    display: flex;
    align-items: center;
    gap: 12px;
}
.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--gold), var(--vermilion));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--serif);
    color: var(--ink);
    font-weight: 600;
}
.user-name { color: var(--cream); font-size: 0.875rem; font-weight: 500; }
.user-coins { color: var(--cream-dim); font-family: var(--mono); font-size: 0.7rem; }

.sidebar-nav { flex: 1; padding: 12px 0; }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    font-size: 0.875rem;
    color: var(--cream-dim);
    border-left: 2px solid transparent;
    transition: all 0.2s;
    text-decoration: none;
}
.sidebar-nav a:hover { color: var(--cream); }
.sidebar-nav a.active { color: var(--gold); background: rgba(212, 175, 55, 0.05); border-left-color: var(--gold); }
.sidebar-nav a.admin-link { border-top: 1px solid var(--line-soft); margin-top: 16px; padding-top: 20px; }

.sidebar-logout {
    padding: 16px 24px;
    border-top: 1px solid var(--line-soft);
    color: var(--cream-dim);
    font-size: 0.875rem;
    background: none;
    border-left: none;
    border-right: none;
    border-bottom: none;
    text-align: left;
    cursor: pointer;
    width: 100%;
}
.sidebar-logout:hover { color: var(--vermilion); }

.dashboard-main { flex: 1; padding: 32px; overflow-x: auto; }

@media (max-width: 768px) {
    .dashboard-layout { flex-direction: column; }
    .sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; }
    .sidebar-brand { width: 100%; }
    .sidebar-nav { display: flex; overflow-x: auto; padding: 0; }
    .sidebar-nav a { white-space: nowrap; padding: 12px 16px; border-left: none; border-bottom: 2px solid transparent; }
    .sidebar-nav a.active { border-left: none; border-bottom-color: var(--gold); }
    .sidebar-user, .sidebar-logout { display: none; }
    .dashboard-main { padding: 16px; }
}

.dashboard-header { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 32px; }
.stat { background: var(--surface); border: 1px solid var(--line); padding: 16px; }
.stat-label { font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.25em; color: var(--gold); text-transform: uppercase; margin-bottom: 6px; }
.stat-value { font-family: var(--serif); font-size: 1.75rem; color: var(--cream); font-weight: 500; line-height: 1; }
.stat-extra { font-size: 0.7rem; color: var(--cream-dim); margin-top: 4px; }

.charts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; }

/* Module tags */
.tag {
    display: inline-block;
    padding: 2px 6px;
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.05em;
    border: 1px solid;
    text-transform: uppercase;
    margin-right: 4px;
    margin-bottom: 4px;
}
.tag-on { color: var(--gold); border-color: rgba(212, 175, 55, 0.4); }
.tag-off { color: var(--cream-dim); border-color: var(--line); }
.tag-status {
    padding: 2px 6px;
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border: 1px solid;
}
.tag-ready { color: var(--gold); border-color: var(--gold); }
.tag-computing { color: var(--mystic); border-color: var(--mystic); }
.tag-draft { color: var(--text-dim); border-color: var(--text-dim); }
.tag-failed { color: var(--vermilion); border-color: var(--vermilion); }

/* =============================================================================
   TỬ VI CHART (12 cung)
   ============================================================================= */
.tuvi-chart {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
    gap: 4px;
    aspect-ratio: 1;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    background: var(--line);
    padding: 4px;
}
.palace {
    background: var(--ink-2);
    padding: 8px;
    display: flex;
    flex-direction: column;
    font-size: 0.65rem;
    min-height: 80px;
    position: relative;
}
.palace-menh { background: rgba(212, 175, 55, 0.1); }
.palace-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 4px; }
.palace-can { font-family: var(--mono); color: var(--text-dim); font-size: 0.55rem; }
.palace-chi { font-family: var(--serif); color: var(--cream); font-weight: 500; font-size: 0.875rem; }
.palace-stars { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.star-main { color: var(--gold); font-weight: 500; line-height: 1.1; }
.star-aux { color: var(--cream-dim); font-style: italic; line-height: 1.1; }
.star-trans { color: var(--vermilion); font-family: var(--mono); font-size: 0.5rem; line-height: 1.1; }
.palace-bottom { display: flex; justify-content: space-between; align-items: flex-end; margin-top: 4px; padding-top: 4px; border-top: 1px solid var(--line-soft); }
.palace-name { font-family: var(--serif); font-size: 0.75rem; color: var(--cream); }
.palace-name-menh { color: var(--gold); }
.palace-marker { font-size: 0.55rem; }
.marker-menh { color: var(--gold); }
.marker-than { color: var(--mystic); }

.chart-center {
    grid-row: 2 / 4;
    grid-column: 2 / 4;
    background: var(--ink-2);
    padding: 16px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.chart-center-glyph { font-family: var(--serif); font-size: 2.5rem; color: var(--gold); font-style: italic; margin-bottom: 8px; }
.chart-center-label { font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.25em; color: var(--cream-dim); margin-bottom: 12px; text-transform: uppercase; }
.chart-center-row {
    display: flex;
    justify-content: space-between;
    width: 100%;
    font-size: 0.75rem;
    margin-bottom: 6px;
}
.chart-center-row span:first-child { color: var(--cream-dim); }
.chart-center-row span:last-child { color: var(--cream); font-weight: 500; }
.chart-center-cuc { padding-top: 8px; margin-top: 8px; border-top: 1px solid var(--line); width: 100%; }

@media (max-width: 600px) {
    .tuvi-chart { font-size: 0.55rem; }
    .palace { padding: 4px; min-height: 70px; }
    .chart-center-glyph { font-size: 1.75rem; }
    .chart-center-row { font-size: 0.65rem; }
}

/* =============================================================================
   WALLET / REFERRAL
   ============================================================================= */
.wallet-card {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(196, 69, 54, 0.05));
    border-color: rgba(212, 175, 55, 0.4);
}
.wallet-balance {
    font-family: var(--serif);
    font-size: 3rem;
    color: var(--cream);
    font-weight: 500;
    line-height: 1;
    margin: 12px 0;
}
.wallet-balance-unit { font-family: var(--sans); font-size: 0.875rem; color: var(--cream-dim); margin-left: 12px; font-weight: 300; }
.wallet-stats { display: flex; gap: 24px; font-family: var(--mono); font-size: 0.75rem; color: var(--cream-dim); }

.package-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.package {
    background: var(--surface);
    border: 1px solid var(--line);
    padding: 20px;
    text-align: left;
    transition: border-color 0.2s;
    cursor: pointer;
    color: inherit;
    text-decoration: none;
    display: block;
    font-family: inherit;
}
.package:hover { border-color: var(--gold); }
.package-coins { font-family: var(--serif); font-size: 1.875rem; color: var(--gold); line-height: 1; margin-bottom: 4px; }
.package-coins-label { font-size: 0.75rem; color: var(--cream-dim); margin-bottom: 12px; }
.package-vnd { font-family: var(--mono); font-size: 0.875rem; color: var(--cream); font-weight: 500; }

.transactions-list .tx-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--line-soft);
}
.transactions-list .tx-row:last-child { border-bottom: none; }
.tx-amount-pos { color: var(--jade); font-family: var(--mono); }
.tx-amount-neg { color: var(--vermilion); font-family: var(--mono); }

.referral-link {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.referral-link input { flex: 1; min-width: 240px; font-family: var(--mono); font-size: 0.75rem; }

/* =============================================================================
   TABLES
   ============================================================================= */
.table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.table th {
    text-align: left;
    padding: 10px 12px;
    font-family: var(--mono);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    text-transform: uppercase;
    background: rgba(17, 22, 38, 0.4);
    border-bottom: 1px solid var(--line);
}
.table td {
    padding: 12px;
    border-bottom: 1px solid var(--line-soft);
}
.table tr:hover { background: rgba(17, 22, 38, 0.3); }

/* =============================================================================
   ADMIN
   ============================================================================= */
.admin-topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(196, 69, 54, 0.1);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(196, 69, 54, 0.4);
}
.admin-topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}
.admin-role-badge {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    color: var(--vermilion);
    text-transform: uppercase;
    border: 1px solid var(--vermilion);
    padding: 2px 8px;
    margin-left: 8px;
}
.admin-subnav {
    border-bottom: 1px solid var(--line);
    background: rgba(17, 22, 38, 0.5);
}
.admin-subnav-inner {
    display: flex;
    gap: 4px;
    overflow-x: auto;
}
.admin-subnav a {
    padding: 12px 16px;
    font-size: 0.875rem;
    color: var(--cream-dim);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    white-space: nowrap;
    text-decoration: none;
}
.admin-subnav a.active { color: var(--gold); border-bottom-color: var(--gold); }

/* =============================================================================
   UTILITIES
   ============================================================================= */
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; }
.text-dim { color: var(--cream-dim); }
.text-gold { color: var(--gold); }
.text-vermilion { color: var(--vermilion); }
.text-jade { color: var(--jade); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.font-mono { font-family: var(--mono); }
.font-serif { font-family: var(--serif); }
.flex { display: flex; gap: 12px; }
.flex-wrap { flex-wrap: wrap; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.section { margin-bottom: 40px; }
.divider { border-top: 1px solid var(--line); margin: 24px 0; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}
.fade-in { animation: fadeIn 0.5s ease-out both; }