/* ChessPro 觀棋者 - 黑金棋盤主題 */

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #131313;
    --bg-tertiary: #1c1c1c;
    --bg-elevated: #242424;
    --bg-hover: #2a2a2a;
    
    --border-subtle: rgba(212, 160, 79, 0.06);
    --border-default: rgba(212, 160, 79, 0.15);
    --border-strong: rgba(212, 160, 79, 0.3);
    
    --text-primary: #f5f0e6;
    --text-secondary: #b8b0a0;
    --text-muted: #6b6258;
    --text-disabled: #4b4540;
    
    --accent: #d4a04f;
    --accent-hover: #f0c674;
    --accent-dim: rgba(212, 160, 79, 0.12);
    --accent-line: rgba(212, 160, 79, 0.3);
    
    --color-up: #ff5757;
    --color-up-bg: rgba(255, 87, 87, 0.1);
    --color-down: #16c47f;
    --color-down-bg: rgba(22, 196, 127, 0.1);
    --color-neutral: #b8b0a0;
    --color-warning: #f59e0b;
    --color-warning-bg: rgba(245, 158, 11, 0.12);
    --color-info: #38bdf8;
    --color-info-bg: rgba(56, 189, 248, 0.12);
    
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
    --font-mono: "JetBrains Mono", "Roboto Mono", "IBM Plex Mono", "Consolas", "Menlo", monospace;
    
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    
    --shadow-glow: 0 0 14px rgba(212, 160, 79, 0.35);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--accent-hover); }

.mono, .signal-table td:not(.text-cell),
.market-stats .stat-value, .stock-price, .plan-price {
    font-family: var(--font-mono);
    font-feature-settings: "tnum" on, "lnum" on;
}

/* === Navbar === */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar-brand svg { width: 22px; height: 22px; color: var(--accent); }

.navbar-menu { display: flex; gap: 24px; align-items: center; }
.navbar-menu a { color: var(--text-secondary); font-weight: 500; font-size: 13px; }
.navbar-menu a:hover { color: var(--text-primary); }

.tier-badge {
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid;
    font-family: var(--font-mono);
}

.tier-badge.free { background: var(--bg-tertiary); color: var(--text-secondary); border-color: var(--border-default); }
.tier-badge.expired { background: var(--color-up-bg); color: var(--color-up); border-color: rgba(255, 87, 87, 0.3); }
.tier-badge.basic { background: var(--accent-dim); color: var(--accent); border-color: var(--accent-line); }
.tier-badge.pro { background: rgba(177, 77, 255, 0.12); color: #c485ff; border-color: rgba(177, 77, 255, 0.3); }
.tier-badge.pro_plus { background: linear-gradient(135deg, rgba(255,180,77,0.15), rgba(177,77,255,0.15)); color: #ffb84d; border-color: rgba(255, 180, 77, 0.4); }
.tier-badge.trial { background: var(--color-warning-bg); color: var(--color-warning); border-color: rgba(245, 158, 11, 0.3); }

/* === Layout === */
.container { max-width: 1280px; margin: 20px auto; padding: 0 24px; }
.container-narrow { max-width: 440px; margin: 60px auto; padding: 0 24px; }

/* === Card === */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
}

.card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-subtle);
}

.card-title svg { width: 16px; height: 16px; color: var(--accent); }
.card-title-text { flex: 1; }

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    transition: all 0.15s;
}

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

.btn-primary { background: var(--accent); color: white; border-color: var(--accent); }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); box-shadow: var(--shadow-glow); }

.btn-secondary { background: var(--bg-tertiary); color: var(--text-primary); border-color: var(--border-default); }
.btn-secondary:hover:not(:disabled) { background: var(--bg-hover); border-color: var(--border-strong); }

.btn-pro { background: linear-gradient(135deg, #4d8bff, #b14dff); color: white; }
.btn-pro:hover:not(:disabled) { filter: brightness(1.15); box-shadow: 0 0 16px rgba(177, 77, 255, 0.4); }

.btn-ghost { background: transparent; color: var(--text-secondary); border-color: var(--border-default); }
.btn-ghost:hover:not(:disabled) { color: var(--text-primary); border-color: var(--border-strong); }

.btn-danger { background: var(--color-up); color: white; }

.btn-large { padding: 12px 28px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* === Forms === */
.form-group { margin-bottom: 16px; }

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.15s;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-input::placeholder { color: var(--text-disabled); }

/* === Market Dashboard === */
.market-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1px;
    background: var(--border-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-top: 12px;
}

.stat-box { padding: 12px 16px; background: var(--bg-secondary); }
.stat-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.stat-value { font-size: 18px; font-weight: 600; font-family: var(--font-mono); }
.stat-value.up { color: var(--color-up); }
.stat-value.down { color: var(--color-down); }
.stat-value.neutral { color: var(--text-secondary); }
.stat-suffix { font-size: 12px; color: var(--text-muted); margin-left: 4px; font-weight: 400; }

/* === Outlook banner === */
.outlook-banner {
    padding: 14px 18px;
    background: var(--bg-tertiary);
    border-left: 3px solid var(--color-warning);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
}

.outlook-banner.bull { border-left-color: var(--color-up); background: linear-gradient(90deg, var(--color-up-bg), transparent); }
.outlook-banner.bear { border-left-color: var(--color-down); background: linear-gradient(90deg, var(--color-down-bg), transparent); }
.outlook-banner.range { border-left-color: var(--color-info); background: linear-gradient(90deg, var(--color-info-bg), transparent); }

.outlook-label { font-size: 15px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.outlook-regime-icon { width: 18px; height: 18px; }
.outlook-recommend { font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; }
.outlook-recommend strong { color: var(--accent); font-family: var(--font-mono); letter-spacing: 0.05em; }

.outlook-reasons { list-style: none; padding: 0; margin-top: 6px; }
.outlook-reasons li { font-size: 12px; color: var(--text-muted); padding: 2px 0 2px 16px; position: relative; }
.outlook-reasons li::before { content: ""; position: absolute; left: 4px; top: 9px; width: 4px; height: 4px; background: var(--text-muted); border-radius: 50%; }

/* === Strategy Tabs === */
.strategy-tabs { display: flex; gap: 0; margin-bottom: 16px; border-bottom: 1px solid var(--border-subtle); }

.strategy-tab {
    padding: 10px 18px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: -1px;
    transition: all 0.15s;
    font-family: inherit;
    display: flex;
    align-items: center;
    gap: 6px;
}

.strategy-tab:hover:not(.locked) { color: var(--text-primary); }
.strategy-tab.active { color: var(--text-primary); border-bottom-color: var(--accent); }
.strategy-tab.locked { color: var(--text-disabled); cursor: not-allowed; }
.strategy-tab .lock-icon { width: 12px; height: 12px; }

/* === Signal Table === */
.signal-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; }

.signal-table th {
    text-align: left;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border-subtle);
    border-top: 1px solid var(--border-subtle);
}

.signal-table th:first-child { border-left: 1px solid var(--border-subtle); border-top-left-radius: var(--radius-md); }
.signal-table th:last-child { border-right: 1px solid var(--border-subtle); border-top-right-radius: var(--radius-md); }

.signal-table td { padding: 10px 12px; border-bottom: 1px solid var(--border-subtle); color: var(--text-primary); }
.signal-table tr:last-child td { border-bottom: none; }
.signal-table tr:hover td { background: var(--bg-tertiary); }

.signal-table .stock-code { color: var(--accent); cursor: pointer; font-weight: 600; font-family: var(--font-mono); }
.signal-table .stock-code:hover { color: var(--accent-hover); text-decoration: underline; }

.up { color: var(--color-up); }
.down { color: var(--color-down); }
.neutral { color: var(--color-neutral); }

.restriction-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 600;
    margin-right: 4px;
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.25);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.restriction-tag.danger { background: var(--color-up-bg); color: var(--color-up); border-color: rgba(255, 87, 87, 0.3); }

/* === Alerts === */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    border: 1px solid;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
}

.alert-icon { width: 16px; height: 16px; flex-shrink: 0; margin-top: 1px; }

.alert-info { background: var(--color-info-bg); color: var(--color-info); border-color: rgba(56, 189, 248, 0.25); }
.alert-success { background: var(--color-down-bg); color: var(--color-down); border-color: rgba(22, 196, 127, 0.3); }
.alert-error { background: var(--color-up-bg); color: var(--color-up); border-color: rgba(255, 87, 87, 0.3); }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning); border-color: rgba(245, 158, 11, 0.3); }

/* === Loading === */
.loading { text-align: center; padding: 40px 20px; color: var(--text-muted); }
.loading-text { font-size: 13px; margin-top: 16px; color: var(--text-secondary); letter-spacing: 0.04em; }
.loading-subtext { font-size: 12px; margin-top: 4px; color: var(--text-muted); }

.spinner {
    display: inline-block;
    width: 28px;
    height: 28px;
    border: 2px solid var(--border-default);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.dots-loader { display: inline-flex; gap: 4px; margin-left: 6px; }
.dots-loader span { width: 4px; height: 4px; background: currentColor; border-radius: 50%; animation: dot-pulse 1.4s ease-in-out infinite; }
.dots-loader span:nth-child(2) { animation-delay: 0.2s; }
.dots-loader span:nth-child(3) { animation-delay: 0.4s; }
@keyframes dot-pulse { 0%, 80%, 100% { opacity: 0.3; } 40% { opacity: 1; } }

/* === Pricing Cards === */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 32px; }

.pricing-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    transition: all 0.2s;
    position: relative;
}

.pricing-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }

.pricing-card.featured {
    border-color: var(--accent);
    background: linear-gradient(180deg, var(--accent-dim) 0%, var(--bg-secondary) 50%);
    box-shadow: 0 0 24px rgba(77, 139, 255, 0.15);
}

.pricing-card.featured::before {
    content: "RECOMMENDED";
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 3px 12px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    font-family: var(--font-mono);
}

.plan-name { font-size: 14px; font-weight: 700; margin-bottom: 8px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.1em; }
.plan-price { font-size: 36px; font-weight: 700; margin: 12px 0; color: var(--text-primary); font-family: var(--font-mono); }
.plan-price-currency { font-size: 16px; color: var(--text-muted); margin-right: 4px; font-weight: 400; }
.plan-price-period { font-size: 13px; color: var(--text-muted); font-weight: 400; display: block; margin-top: -4px; }
.plan-yearly-hint { font-size: 11px; color: var(--text-muted); margin-bottom: 16px; font-family: var(--font-mono); }

.plan-features { list-style: none; text-align: left; margin: 20px 0; padding: 0; }
.plan-features li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-primary);
}
.plan-features li:last-child { border-bottom: none; }
.feature-check { width: 14px; height: 14px; color: var(--color-down); flex-shrink: 0; }

/* === Stock Chart Page === */
.stock-header { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-bottom: 16px; }
.stock-name-block h1 { font-size: 24px; font-weight: 700; color: var(--text-primary); margin: 0; }
.stock-code-small { color: var(--text-muted); font-size: 13px; margin-top: 2px; font-family: var(--font-mono); }
.stock-price { font-size: 32px; font-weight: 700; color: var(--text-primary); }

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1px;
    margin-top: 16px;
    background: var(--border-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.info-item { padding: 12px 14px; background: var(--bg-secondary); }
.info-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; }
.info-value { font-size: 15px; font-weight: 600; font-family: var(--font-mono); color: var(--text-primary); }

.broker-list { margin-top: 8px; }
.broker-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; border-bottom: 1px solid var(--border-subtle); font-size: 13px; }
.broker-item:last-child { border-bottom: none; }
.broker-name { color: var(--text-primary); }
.broker-net { font-family: var(--font-mono); font-weight: 600; }

.chart-container { width: 100%; height: 500px; background: var(--bg-secondary); border-radius: var(--radius-md); }

.timeframe-buttons { display: flex; gap: 4px; margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--border-subtle); flex-wrap: wrap; align-items: center; }

.tf-btn {
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    font-family: var(--font-mono);
    transition: all 0.15s;
}

.tf-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }
.tf-btn.active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent); }

.tf-group-label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-right: 4px; }
.tf-divider { width: 1px; height: 20px; background: var(--border-subtle); margin: 0 6px; }

/* === Landing Page === */
.hero {
    background: radial-gradient(ellipse at top, rgba(77, 139, 255, 0.15), transparent 50%), var(--bg-primary);
    padding: 100px 24px 80px;
    text-align: center;
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(77, 139, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(77, 139, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.hero-content { max-width: 800px; margin: 0 auto; position: relative; }

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(180deg, #ffffff 30%, #9ca3b3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.hero h2 { font-size: 18px; font-weight: 400; color: var(--text-secondary); margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; line-height: 1.6; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.features-section { padding: 80px 24px; background: var(--bg-primary); }
.section-title { text-align: center; font-size: 28px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; letter-spacing: -0.01em; }
.section-subtitle { text-align: center; color: var(--text-muted); font-size: 14px; margin-bottom: 48px; }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; max-width: 1100px; margin: 0 auto; }

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.2s;
}

.feature-card:hover { border-color: var(--accent-line); background: var(--bg-elevated); }
.feature-icon { width: 36px; height: 36px; color: var(--accent); margin-bottom: 14px; }
.feature-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); }
.feature-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

.cta-section { background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary)); padding: 80px 24px; text-align: center; border-top: 1px solid var(--border-subtle); }
.cta-section h2 { font-size: 28px; color: var(--text-primary); margin-bottom: 12px; }
.cta-section p { color: var(--text-muted); margin-bottom: 32px; font-size: 14px; }

footer { background: var(--bg-primary); border-top: 1px solid var(--border-subtle); padding: 32px 24px; text-align: center; color: var(--text-muted); font-size: 12px; }
footer p { margin: 4px 0; }

/* === Profile === */
.profile-table { width: 100%; }
.profile-table tr { border-bottom: 1px solid var(--border-subtle); }
.profile-table tr:last-child { border-bottom: none; }
.profile-table td { padding: 12px 0; font-size: 13px; }
.profile-table td:first-child { color: var(--text-muted); width: 140px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; }

/* === Disclaimer === */
.disclaimer { font-size: 11px; color: var(--text-muted); background: var(--bg-secondary); border: 1px solid var(--border-subtle); padding: 14px 16px; border-radius: var(--radius-md); margin-top: 24px; line-height: 1.7; }
.disclaimer strong { color: var(--text-secondary); font-weight: 600; }

/* === Admin === */
.admin-layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 56px); }
.admin-sidebar { background: var(--bg-secondary); border-right: 1px solid var(--border-subtle); padding: 16px 8px; }
.admin-sidebar a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; color: var(--text-secondary); border-radius: var(--radius-md); font-size: 13px; font-weight: 500; margin-bottom: 2px; transition: all 0.15s; }
.admin-sidebar a:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.admin-sidebar a.active { background: var(--accent-dim); color: var(--accent); }
.admin-sidebar svg { width: 16px; height: 16px; }

.admin-main { padding: 24px; overflow-y: auto; }
.admin-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.admin-stat-card { background: var(--bg-secondary); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 20px; }
.admin-stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.admin-stat-value { font-size: 28px; font-weight: 700; color: var(--text-primary); font-family: var(--font-mono); }
.admin-stat-change { font-size: 12px; margin-top: 4px; font-family: var(--font-mono); }

.status-pill { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; font-family: var(--font-mono); }
.status-pill.active { background: var(--color-down-bg); color: var(--color-down); }
.status-pill.pending { background: var(--color-warning-bg); color: var(--color-warning); }
.status-pill.paid { background: var(--color-down-bg); color: var(--color-down); }
.status-pill.failed { background: var(--color-up-bg); color: var(--color-up); }

/* === Responsive === */
@media (max-width: 768px) {
    .navbar { padding: 0 16px; height: 52px; }
    .navbar-menu { gap: 12px; }
    .navbar-menu a { font-size: 12px; }
    .container { padding: 0 16px; margin: 16px auto; }
    .card { padding: 16px; }
    .hero { padding: 60px 24px 40px; }
    .hero h1 { font-size: 32px; }
    .hero h2 { font-size: 15px; }
    .pricing-card { padding: 24px; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { border-right: none; border-bottom: 1px solid var(--border-subtle); }
    .signal-table { font-size: 12px; }
    .signal-table th, .signal-table td { padding: 8px 6px; }
}

/* === Utility === */
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-mono { font-family: var(--font-mono); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.text-right { text-align: right; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-1 { flex: 1; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden { display: none; }