:root {
    --bg-card: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card-hover: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: var(--yst-border, #e2e8f0);
    --accent-color: #d97706;
    --accent-gradient: linear-gradient(135deg, #d97706, #f59e0b);
}
[data-theme="dark"] {
    --bg-card: #111827;
    --bg-secondary: #1f2937;
    --bg-card-hover: #273449;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --accent-color: #f59e0b;
    --accent-gradient: linear-gradient(135deg, #f59e0b, #fde047);
}
.gold-card {
    padding: 16px 18px;
    margin-bottom: 14px;
    background: var(--bg-card) !important;
    color: var(--text-primary);
}
.gold-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}
.gold-toolbar-desc {
    margin: 6px 0 0;
    color: var(--text-secondary);
    font: 13px var(--yst-font);
}
.gold-icon-btn,
.gold-refresh-btn {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--accent-color);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 4px 4px 0 rgba(15, 23, 42, .12);
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.gold-icon-btn:hover,
.gold-refresh-btn:hover {
    transform: translate(-1px, -1px);
    border-color: var(--accent-color);
    box-shadow: 6px 6px 0 rgba(15, 23, 42, .14);
}
.gold-refresh-btn {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 999;
}
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}
#dashboard > .dashboard-grid {
    grid-column: 1 / -1;
}
.dashboard-card {
    position: relative;
    overflow: hidden;
    min-height: 136px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
    box-shadow: 4px 4px 0 rgba(15, 23, 42, .08);
    padding: 14px;
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.dashboard-card::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--accent-gradient);
}
.dashboard-card:hover {
    transform: translate(-2px, -2px);
    border-color: var(--accent-color);
    box-shadow: 7px 7px 0 rgba(15, 23, 42, .12);
}
.bank-price::before { background: linear-gradient(180deg, #d97706, #f59e0b); }
.recycle-price::before { background: linear-gradient(180deg, #16a34a, #4ade80); }
.brand-price::before { background: linear-gradient(180deg, #2563eb, #60a5fa); }
.stats-card::before { background: linear-gradient(180deg, #9333ea, #c084fc); }
.card-content h3 {
    margin: 0 0 10px;
    color: var(--text-secondary);
    font: 800 13px var(--yst-font);
}
.price-display {
    color: var(--text-primary);
    font: 900 28px var(--yst-font);
    margin-bottom: 4px;
}
.price-unit {
    color: var(--text-muted);
    font: 12px var(--yst-font);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}
.stat-item {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-card);
    padding: 10px;
    text-align: center;
}
.stat-label,
.stat-value {
    display: block;
}
.stat-label {
    color: var(--text-muted);
    font: 12px var(--yst-font);
    margin-bottom: 4px;
}
.stat-value {
    color: var(--text-primary);
    font: 900 22px var(--yst-font);
}
.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}
.chart-title {
    margin: 0;
    color: var(--text-primary);
    font: 900 18px var(--yst-font);
}
.chart-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.chart-btn {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    font: 800 13px var(--yst-font);
    min-height: 36px;
    padding: 0 12px;
}
.chart-btn:hover {
    border-color: var(--accent-color);
    color: var(--text-primary);
}
.chart-btn.active {
    color: #111827;
    border-color: #f59e0b;
    background: var(--accent-gradient);
}
.gold-chart-wrap {
    height: 420px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-card);
    padding: 12px;
}
#priceChart {
    width: 100% !important;
    height: 100% !important;
}
.loading,
.error {
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary);
    padding: 26px;
    margin-top: 12px;
}
.loading h3,
.error h3 {
    margin: 0 0 8px;
    color: var(--text-primary);
    font: 900 16px var(--yst-font);
}
.loading p,
.error p {
    margin: 0;
    color: var(--text-secondary);
    font: 13px var(--yst-font);
}
.gold-spinner {
    width: 34px;
    height: 34px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    margin: 0 auto 12px;
    animation: gold-spin .85s linear infinite;
}
@keyframes gold-spin { to { transform: rotate(360deg); } }
.error {
    border-color: #fecaca;
    background: #fef2f2;
}
.error h3 {
    color: #b91c1c;
}
.error button {
    margin-top: 14px;
    border: 1px solid #ef4444;
    border-radius: 8px;
    background: #ef4444;
    color: #fff;
    padding: 9px 14px;
    cursor: pointer;
    font: 800 13px var(--yst-font);
}
.yst-ad-bottom {
    margin-top: 16px;
}
[data-theme="dark"] .yst-tp-info,
[data-theme="dark"] .yst-aside-sponsored,
[data-theme="dark"] .yst-shell-aside .yst-card {
    background: var(--bg-card) !important;
    color: var(--text-primary);
    border-color: var(--border-color) !important;
}
@media (max-width: 980px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .chart-header {
        align-items: flex-start;
        flex-direction: column;
    }
}
@media (max-width: 640px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .gold-chart-wrap {
        height: 340px;
    }
    .gold-refresh-btn {
        right: 16px;
        bottom: 16px;
    }
}