/* QuantFlow v2 — 全局样式 */
:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #1e2130;
    --bg-hover: #262a3a;
    --border: #2d3148;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0b0;
    --text-tertiary: #6b7280;
    --accent: #10b981;
    --accent-hover: #059669;
    --up-color: #ef4444;
    --down-color: #10b981;
    --danger: #f59e0b;
    --sidebar-width: 220px;
    --topbar-height: 56px;
}
[data-theme="light"] {
    --bg-primary: #f5f6fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f0f1f5;
    --border: #e2e5ee;
    --text-primary: #1a1d27;
    --text-secondary: #6b7280;
    --text-tertiary: #9aa0b0;
}
* { margin:0; padding:0; box-sizing:border-box; }
body {
    font-family: 'Noto Sans SC', 'Outfit', -apple-system, sans-serif;
    background: var(--bg-primary); color: var(--text-primary);
    display: flex; min-height: 100vh; overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }

/* ── 侧边栏 ────────────────────────── */
.sidebar {
    width: var(--sidebar-width); background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column; position: fixed;
    top: 0; left: 0; bottom: 0; z-index: 100;
}
.sidebar-brand {
    padding: 20px 16px; display: flex; align-items: center; gap: 10px;
    border-bottom: 1px solid var(--border);
}
.brand-icon svg { width: 32px; height: 32px; }
.brand-text { font-size: 18px; font-weight: 700; color: var(--accent); }
.sidebar-nav { flex: 1; padding: 12px 8px; display: flex; flex-direction: column; gap: 2px; }
.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px; border-radius: 8px; color: var(--text-secondary);
    transition: all 0.2s; font-size: 14px;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background: rgba(16,185,129,0.12); color: var(--accent); }
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.sidebar-footer {
    padding: 14px 16px; border-top: 1px solid var(--border);
    font-size: 12px; color: var(--text-tertiary);
}
.connection-status { display: flex; align-items: center; gap: 6px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.status-dot.pulse { animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

/* ── 主区域 ────────────────────────── */
.main-content { margin-left: var(--sidebar-width); flex: 1; min-width: 0; }
.topbar {
    height: var(--topbar-height); display: flex; align-items: center;
    justify-content: space-between; padding: 0 24px;
    border-bottom: 1px solid var(--border); background: var(--bg-secondary);
    position: sticky; top: 0; z-index: 50;
}
.search-box {
    display: flex; align-items: center; gap: 8px;
    background: var(--bg-primary); border: 1px solid var(--border);
    border-radius: 8px; padding: 6px 12px; width: 280px;
}
.search-box input {
    background: none; border: none; outline: none;
    color: var(--text-primary); font-size: 13px; flex: 1;
}
.topbar-actions { display: flex; align-items: center; gap: 14px; }
.market-time { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-secondary); }
.theme-toggle {
    background: none; border: 1px solid var(--border); border-radius: 8px;
    width: 36px; height: 36px; cursor: pointer; color: var(--text-secondary);
    display: flex; align-items: center; justify-content: center;
}
.theme-toggle svg { width: 18px; height: 18px; }

/* ── 页面内容 ──────────────────────── */
.page-content { padding: 24px; }
.page-section { display: flex; flex-direction: column; gap: 20px; }

/* ── 卡片 ──────────────────────────── */
.card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; overflow: hidden;
}
.card-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px; border-bottom: 1px solid var(--border);
}
.card-header h3 { font-size: 15px; font-weight: 600; }
.card-badge {
    font-size: 11px; padding: 2px 8px; border-radius: 10px;
    background: rgba(16,185,129,0.15); color: var(--accent);
}
.card-body { padding: 16px 18px; }

/* ── 网格 ──────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
@media (max-width: 1200px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ── 指数卡片 ────────────────────── */
.index-cards { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
@media (max-width: 1200px) { .index-cards { grid-template-columns: repeat(3, 1fr); } }
.index-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 10px; padding: 14px 16px;
}
.index-label { font-size: 12px; color: var(--text-tertiary); margin-bottom: 6px; }
.index-value { font-size: 20px; font-weight: 700; }
.index-change { font-size: 13px; margin-top: 4px; }
.up { color: var(--up-color); }
.down { color: var(--down-color); }

/* ── 表格 ──────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
    text-align: left; padding: 10px 14px;
    color: var(--text-tertiary); font-weight: 500;
    border-bottom: 1px solid var(--border); font-size: 12px;
}
.data-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.data-table tr:hover td { background: var(--bg-hover); }
.data-table .stock-code { color: var(--text-secondary); font-size: 12px; }
.data-table .stock-name { font-weight: 500; }
.data-table .action-btn {
    background: none; border: 1px solid var(--border); border-radius: 6px;
    padding: 4px 10px; font-size: 12px; cursor: pointer; color: var(--text-secondary);
}
.data-table .action-btn:hover { border-color: var(--accent); color: var(--accent); }
.data-table .action-btn.danger:hover { border-color: var(--up-color); color: var(--up-color); }

/* ── 表单 ──────────────────────────── */
.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 12px; color: var(--text-tertiary); margin-bottom: 4px; }
.form-input {
    width: 100%; padding: 8px 12px; background: var(--bg-primary);
    border: 1px solid var(--border); border-radius: 8px;
    color: var(--text-primary); font-size: 13px; outline: none;
}
.form-input:focus { border-color: var(--accent); }
.btn {
    padding: 8px 16px; border: none; border-radius: 8px;
    font-size: 13px; cursor: pointer; font-weight: 500; transition: all 0.2s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-outline { background: none; border: 1px solid var(--border); color: var(--text-secondary); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-danger { background: #dc2626; color: #fff; }
.btn-danger:hover { background: #b91c1c; }

/* ── 按钮/标签组 ──────────────────── */
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }
.btn-group .btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── 新闻 ──────────────────────────── */
.news-item {
    padding: 10px 16px; border-bottom: 1px solid var(--border);
    font-size: 13px; cursor: pointer; transition: background 0.15s;
}
.news-item:hover { background: var(--bg-hover); }
.news-item .news-time { color: var(--text-tertiary); font-size: 11px; }
.news-item .news-source { color: var(--accent); font-size: 11px; margin-left: 8px; }
.sentiment-tag {
    display: inline-block; padding: 1px 6px; border-radius: 4px;
    font-size: 10px; margin-left: 6px;
}
.sentiment-tag.positive { background: rgba(16,185,129,0.15); color: var(--accent); }
.sentiment-tag.negative { background: rgba(239,68,68,0.15); color: var(--up-color); }
.sentiment-tag.neutral { background: rgba(107,114,128,0.15); color: var(--text-tertiary); }

/* ── 图表容器 ─────────────────────── */
.chart-container { width: 100%; }

/* ── 统计数字 ─────────────────────── */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 900px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
.stat-box {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 10px; padding: 14px 16px;
}
.stat-label { font-size: 12px; color: var(--text-tertiary); margin-bottom: 4px; }
.stat-value { font-size: 22px; font-weight: 700; }
.stat-sub { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ── Toast ─────────────────────────── */
.toast-container { position: fixed; top: 70px; right: 20px; z-index: 999; display: flex; flex-direction: column; gap: 8px; }
.toast {
    padding: 10px 18px; border-radius: 8px; font-size: 13px;
    background: var(--bg-card); border: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3); animation: slideIn 0.3s ease;
}
.toast.success { border-left: 3px solid var(--accent); }
.toast.error { border-left: 3px solid var(--up-color); }
@keyframes slideIn { from { opacity:0; transform:translateX(30px); } to { opacity:1; transform:translateX(0); } }

/* ── 同步步骤 ──────────────────────── */
.sync-steps { display: flex; flex-direction: column; gap: 6px; }
.sync-step {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; padding: 6px 0;
}
.sync-step .step-icon { width: 20px; text-align: center; }
.sync-step .step-ok { color: var(--accent); }
.sync-step .step-err { color: var(--up-color); }
.sync-step .step-run { color: var(--danger); animation: pulse 1s infinite; }
.sync-meta { margin-top: 12px; font-size: 12px; color: var(--text-tertiary); }

/* ── 交易表单 ──────────────────────── */
.trade-form { padding: 16px 18px; }
.trade-type-toggle { display: flex; gap: 0; margin-bottom: 14px; }
.trade-type-btn {
    flex: 1; padding: 8px; text-align: center; font-size: 13px;
    border: 1px solid var(--border); cursor: pointer; font-weight: 500;
    transition: all 0.2s;
}
.trade-type-btn:first-child { border-radius: 8px 0 0 8px; }
.trade-type-btn:last-child { border-radius: 0 8px 8px 0; }
.trade-type-btn.buy.active { background: var(--up-color); color: #fff; border-color: var(--up-color); }
.trade-type-btn.sell.active { background: var(--down-color); color: #fff; border-color: var(--down-color); }
.trade-submit {
    width: 100%; padding: 10px; font-size: 14px; font-weight: 600;
    border: none; border-radius: 8px; cursor: pointer; margin-top: 12px;
    transition: all 0.2s;
}
.trade-submit.buy { background: var(--up-color); color: #fff; }
.trade-submit.sell { background: var(--down-color); color: #fff; }
.trade-submit:hover { opacity: 0.85; }
.price-display { font-size: 20px; font-weight: 700; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ── 排行榜点击行 ──────────────────── */
.rank-row { cursor: pointer; transition: background 0.15s; }
.rank-row:hover { background: rgba(16,185,129,0.08) !important; }

/* ── 五档盘口条 ────────────────────── */
.depth-bar { display: flex; align-items: center; gap: 4px; font-size: 11px; padding: 1px 0; }
.depth-bar .d-price { width: 50px; text-align: right; }
.depth-bar .d-vol { width: 60px; text-align: right; color: var(--text-tertiary); }
.depth-bar .d-bar { height: 6px; border-radius: 3px; }
.depth-bar.ask .d-bar { background: rgba(16,185,129,0.3); }
.depth-bar.bid .d-bar { background: rgba(239,68,68,0.3); }