/* ══════════════════════════════════════════════════════
   天气交易看板 — Bloomberg Terminal 暗主题
   三层信息架构: 第一眼→第二眼→第三眼
   ══════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #0a0e17; --card-bg: #111827; --card-border: #1e293b;
    --text: #e2e8f0; --text-muted: #94a3b8; --text-dim: #64748b;
    --green: #10b981; --red: #ef4444; --blue: #3b82f6; --cyan: #38bdf8;
    --amber: #f59e0b; --font-mono: 'Courier New', 'Source Code Pro', monospace;
    --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --radius: 6px; --shadow: 0 1px 3px rgba(0,0,0,0.4);
}
html, body {
    background: var(--bg); color: var(--text);
    font-family: var(--font-ui); font-size: 13px; line-height: 1.5;
    min-height: 100vh;
}

/* ── 顶栏 ── */
.top-bar {
    display: flex; align-items: center; gap: 12px;
    padding: 6px 16px; background: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
    position: sticky; top: 0; z-index: 100; font-size: 12px;
}
.top-bar .brand { font-size: 14px; font-weight: 700; }
.nav-center { color: var(--text-muted); font-size: 11px; flex: 1; text-align: center; }
.nav-right { display: flex; align-items: center; gap: 10px; font-size: 10px; color: var(--text-muted); }
.logout-btn, .help-nav-btn {
    color: var(--text-muted); text-decoration: none; padding: 3px 10px;
    border: 1px solid var(--card-border); border-radius: var(--radius);
    font-size: 10px; transition: all 0.2s;
}
.logout-btn:hover, .help-nav-btn:hover { color: var(--text); border-color: var(--text-muted); }
.mode-badge { padding: 2px 8px; border-radius: 3px; font-size: 10px; font-weight: 700;
    font-family: var(--font-mono); letter-spacing: 1px; }
.mode-badge.paper { background: #1e3a5f; color: var(--cyan); border: 1px solid #2563eb; }
.health-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.health-dot.alive { background: var(--green); box-shadow: 0 0 6px var(--green); }
.health-dot.dead { background: var(--red); box-shadow: 0 0 6px var(--red); animation: pulse-dot 1s infinite; }
@keyframes pulse-dot { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ── Headline Bar (Level 1: 200ms) ── */
.headline-bar {
    display: flex; align-items: center; gap: 0;
    padding: 14px 20px; margin: 12px 20px 0;
    background: var(--card-bg); border: 1px solid var(--card-border);
    border-radius: var(--radius); box-shadow: var(--shadow);
}
.hl-item { flex: 1; text-align: center; padding: 0 16px; }
.hl-label { display: block; color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.hl-value { font-family: var(--font-mono); font-size: 28px; font-weight: 700; }
.hl-value.positive { color: var(--green); }
.hl-value.negative { color: var(--red); }
.hl-sub { color: var(--text-muted); font-size: 11px; font-family: var(--font-mono); }
.hl-divider { width: 1px; height: 40px; background: var(--card-border); }
.hl-summary { font-size: 15px !important; color: var(--text) !important; font-family: var(--font-ui) !important; font-weight: 500 !important; }
.hl-actions { padding: 0 8px; }
.hl-help-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--blue); color: #fff; text-decoration: none;
    font-weight: 700; font-size: 16px; transition: all 0.2s;
}
.hl-help-btn:hover { background: #2563eb; transform: scale(1.1); }

/* ── Capital Bar (Level 2: 5s) ── */
.capital-bar {
    display: flex; align-items: center; gap: 0;
    padding: 10px 20px; margin: 8px 20px 0;
    background: var(--card-bg); border: 1px solid var(--card-border);
    border-radius: var(--radius); box-shadow: var(--shadow);
}
.cap-item { flex: 1; text-align: center; padding: 4px 12px; }
.cap-label { display: block; color: var(--text-muted); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; }
.cap-value { font-family: var(--font-mono); font-size: 18px; font-weight: 600; color: var(--cyan); margin-top: 2px; display: block; }
.cap-hint {
    display: inline-block; width: 14px; height: 14px; border-radius: 50%;
    background: var(--card-border); color: var(--text-muted);
    font-size: 9px; line-height: 14px; text-align: center;
    cursor: help; margin-left: 2px; vertical-align: middle;
    font-weight: 700;
}
.cap-hint:hover { background: var(--blue); color: #fff; }

/* Adjustable bet input */
.cap-adjust { display: flex; align-items: center; justify-content: center; gap: 6px; flex-wrap: wrap; }
.cap-input {
    width: 60px; padding: 4px 6px; background: var(--bg);
    border: 1px solid var(--card-border); border-radius: var(--radius);
    color: var(--cyan); font-family: var(--font-mono); font-size: 16px; font-weight: 600;
    text-align: center; outline: none;
}
.cap-input:focus { border-color: var(--blue); }
.cap-save-btn {
    padding: 4px 10px; background: var(--blue); color: #fff;
    border: none; border-radius: var(--radius); font-size: 11px; font-weight: 600;
    cursor: pointer; transition: background 0.2s;
}
.cap-save-btn:hover { background: #2563eb; }
.cap-save-msg { font-size: 10px; color: var(--green); min-width: 80px; text-align: left; }

/* Progress bar */
.cap-progress { min-width: 160px; }
.progress-bar {
    width: 100%; height: 6px; background: var(--bg);
    border-radius: 3px; margin: 4px 0; overflow: hidden;
}
.progress-fill { height: 100%; background: var(--blue); border-radius: 3px; transition: width 0.5s; }

/* ── Alerts (recommendations + dangers) ── */
.alerts-area { padding: 8px 20px 0; }
.alert-box {
    padding: 8px 14px; border-radius: var(--radius); margin-bottom: 6px;
    border: 1px solid var(--card-border);
}
.alert-box.alert-danger { background: rgba(239,68,68,0.08); border-color: rgba(239,68,68,0.3); }
.alert-box.alert-warn { background: rgba(245,158,11,0.06); border-color: rgba(245,158,11,0.25); }
.alert-box.alert-ok { background: rgba(16,185,129,0.05); border-color: rgba(16,185,129,0.2); }
.alert-title { font-weight: 600; font-size: 12px; display: block; margin-bottom: 4px; }
.alert-danger .alert-title { color: var(--red); }
.alert-warn .alert-title { color: var(--amber); }
.alert-ok .alert-title { color: var(--green); }
.alert-item { font-size: 12px; color: var(--text); margin: 3px 0; padding-left: 4px; }

/* ── 面板网格 ── */
.grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 8px 20px 0; }
.grid-2col.equal { grid-template-columns: 1fr 1fr; }
.panel {
    background: var(--card-bg); border: 1px solid var(--card-border);
    border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
}
.panel-8col { /* in 8-4 split, left side */ }
.panel-4col { /* in 8-4 split, right side */ }
.panel-6col { /* in 6-6 split */ }
.panel-header {
    display: flex; align-items: center; gap: 6px;
    padding: 8px 14px; border-bottom: 1px solid var(--card-border);
    font-size: 12px; font-weight: 600; background: rgba(255,255,255,0.02);
}
.panel-subtitle { color: var(--text-muted); font-size: 10px; font-weight: 400; }
.panel-hint {
    display: inline-block; width: 14px; height: 14px; border-radius: 50%;
    background: var(--card-border); color: var(--text-muted);
    font-size: 9px; line-height: 14px; text-align: center;
    cursor: help; font-weight: 700; margin-left: auto;
}
.panel-hint:hover { background: var(--blue); color: #fff; }
.panel-body { padding: 10px 14px; }
.chart-body { height: 260px; position: relative; }

/* ── 表格 ── */
.data-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.data-table th {
    text-align: left; padding: 5px 6px; color: var(--text-muted);
    font-weight: 500; font-size: 9px; text-transform: uppercase;
    letter-spacing: 0.5px; border-bottom: 1px solid var(--card-border);
}
.data-table td {
    padding: 4px 6px; border-bottom: 1px solid rgba(30,41,59,0.5);
    font-family: var(--font-mono); font-size: 11px;
}
.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.data-table .win { color: var(--green); }
.data-table .loss { color: var(--red); }
.data-table .city-tag {
    display: inline-block; padding: 1px 5px; border-radius: 3px;
    font-size: 9px; font-weight: 600; background: rgba(59,130,246,0.15); color: var(--blue);
}

/* ── 城市卡片 ── */
#city-cards { display: flex; flex-direction: column; gap: 8px; }
.city-card { padding: 10px 12px; border-radius: var(--radius); border: 1px solid var(--card-border); }
.city-card .city-name { font-weight: 600; font-size: 13px; }
.city-card .city-stats { display: flex; gap: 10px; margin-top: 4px; font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); }

/* ── 结算列表 ── */
#settled-list { display: flex; flex-direction: column; gap: 3px; }
.settled-row {
    display: flex; align-items: center; gap: 6px;
    padding: 3px 0; border-bottom: 1px solid rgba(30,41,59,0.3);
    font-family: var(--font-mono); font-size: 10px;
}
.settled-row .result-icon { font-size: 11px; }
.settled-row .city { font-weight: 600; min-width: 55px; }
.settled-row .date { color: var(--text-muted); min-width: 40px; }
.settled-row .bucket { color: var(--text-muted); font-size: 9px; flex: 1; text-align: right; }
.settled-row .pnl { min-width: 50px; text-align: right; }
.settled-row .pnl.positive { color: var(--green); }
.settled-row .pnl.negative { color: var(--red); }

/* ── Edge 卡片 ── */
#edge-cards { display: flex; flex-direction: column; gap: 6px; max-height: 300px; overflow-y: auto; }
.edge-card {
    padding: 8px 10px; border-radius: var(--radius); border: 1px solid var(--card-border);
    display: flex; align-items: center; gap: 8px;
}
.edge-card .edge-city { font-weight: 600; min-width: 55px; }
.edge-card .edge-date { font-size: 10px; color: var(--text-muted); min-width: 50px; }
.edge-card .edge-vs { font-size: 10px; }
.edge-card .edge-our { font-family: var(--font-mono); color: var(--blue); font-weight: 600; }
.edge-card .edge-mkt { font-family: var(--font-mono); color: var(--text-muted); }
.edge-card .edge-gap { font-family: var(--font-mono); font-weight: 600; margin-left: auto; }
.edge-card .edge-gap.positive { color: var(--green); }
.edge-card .edge-gap.negative { color: var(--red); }

/* ── 系统健康 ── */
.health-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.health-item { padding: 6px 8px; border-radius: var(--radius); border: 1px solid var(--card-border); }
.health-item .h-label { color: var(--text-muted); font-size: 9px; text-transform: uppercase; }
.health-item .h-value { font-family: var(--font-mono); font-size: 11px; margin-top: 2px; }
.health-item .h-value.ok { color: var(--green); }
.health-item .h-value.warn { color: var(--amber); }

/* ── 回测对比 ── */
#backtest-compare table { width: 100%; }
#backtest-compare td, #backtest-compare th { text-align: center; }

/* ── 空状态 ── */
.empty-state { color: var(--text-dim); text-align: center; padding: 16px; font-size: 11px; }

/* ── 帮助页 ── */
.help-container { max-width: 800px; margin: 30px auto; padding: 0 20px; }
.help-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 30px 36px; }
.help-back { color: var(--blue); text-decoration: none; font-size: 12px; }
.help-back:hover { text-decoration: underline; }
.help-card h1 { font-size: 20px; margin: 12px 0 6px; }
.help-intro { color: var(--text-muted); font-size: 13px; margin-bottom: 12px; }
.help-card h2 { font-size: 15px; margin: 22px 0 8px; color: var(--cyan); border-bottom: 1px solid var(--card-border); padding-bottom: 4px; }
.help-card h3 { font-size: 13px; margin: 14px 0 6px; color: var(--text); }
.help-card ul { padding-left: 20px; }
.help-card li { margin: 4px 0; font-size: 12px; color: var(--text); }
.help-card p { font-size: 12px; color: var(--text-muted); margin: 4px 0; }
.help-card strong { color: var(--text); }

/* Decision chain visual */
.help-chain { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin: 12px 0; padding: 12px; background: var(--bg); border-radius: var(--radius); }
.chain-step { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text); }
.chain-num { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: var(--blue); color: #fff; font-size: 10px; font-weight: 700; }
.chain-arrow { color: var(--text-dim); font-size: 14px; }

.help-table { margin: 8px 0; }
.help-table td { padding: 6px 10px !important; font-size: 12px !important; }
.help-table td:first-child { color: var(--text-muted); width: 120px; }

/* ── 登录页 ── */
.login-container { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { width: 380px; padding: 40px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 8px; box-shadow: 0 4px 24px rgba(0,0,0,0.5); }
.login-header { text-align: center; margin-bottom: 28px; }
.login-header h1 { font-size: 22px; margin-bottom: 4px; }
.login-header .subtitle { color: var(--text-muted); font-size: 13px; }
.login-form { display: flex; flex-direction: column; gap: 14px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 12px; color: var(--text-muted); }
.form-group input {
    width: 100%; padding: 10px 14px; background: var(--bg);
    border: 1px solid var(--card-border); border-radius: var(--radius);
    color: var(--text); font-family: var(--font-mono); font-size: 14px; outline: none;
}
.form-group input:focus { border-color: var(--blue); }
.login-btn { padding: 10px; background: var(--blue); color: #fff; border: none; border-radius: var(--radius); font-size: 14px; font-weight: 600; cursor: pointer; }
.login-btn:hover { background: #2563eb; }
.error-msg { color: var(--red); font-size: 12px; text-align: center; padding: 8px; background: rgba(239,68,68,0.1); border-radius: var(--radius); }
.login-footer { margin-top: 24px; text-align: center; display: flex; flex-direction: column; gap: 2px; color: var(--text-dim); font-size: 10px; }

/* ── 响应式 ── */
@media (max-width: 1200px) {
    .headline-bar, .capital-bar { flex-wrap: wrap; }
    .grid-2col { grid-template-columns: 1fr; }
    .hl-divider { display: none; }
}