/* Batch 202: BTC page layout cleanup + Detail-style chart stack */
.btc-deep-page{background:radial-gradient(circle at 12% 0%,rgba(14,165,233,.12),transparent 28%),linear-gradient(180deg,#07101a 0%,#050812 100%);min-height:100vh;overflow-x:hidden;}
.btc-page-shell{width:min(1760px,calc(100vw - 28px));margin:14px auto 32px;display:flex;flex-direction:column;gap:14px;}
.btc-hero{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;border:1px solid rgba(148,163,184,.18);border-radius:22px;background:rgba(15,23,42,.74);box-shadow:0 18px 54px rgba(0,0,0,.24);padding:22px 26px;min-height:112px;}
.btc-heading-block{min-width:280px;}
.btc-heading-block .back-link{display:inline-flex;margin:0 0 10px;color:#7dd3fc;text-decoration:none;font-size:14px;}
.btc-kicker{text-transform:uppercase;letter-spacing:.14em;font-weight:800;color:#93c5fd;font-size:11px;margin-bottom:5px;}
.btc-heading-block h1{margin:0;color:#f8fafc;font-size:32px;line-height:1.08;letter-spacing:-.04em;text-decoration:none;border:0;background:none;}
.btc-heading-block h1::before,.btc-heading-block h1::after{display:none!important;content:none!important;}
.btc-heading-block p{margin:10px 0 0;color:#94a3b8;max-width:850px;font-size:14px;line-height:1.55;}
.btc-nav{display:flex;gap:8px;flex-wrap:wrap;align-items:center;justify-content:flex-end;margin-left:auto;padding-top:26px;}
.btc-nav a{color:#cbd5e1;text-decoration:none;border:1px solid rgba(148,163,184,.24);border-radius:999px;padding:8px 12px;background:rgba(15,23,42,.68);font-size:13px;line-height:1;}
.btc-nav a:hover{border-color:rgba(96,165,250,.72);color:#dbeafe;background:rgba(30,41,59,.86);}
.btc-control-card{display:flex;align-items:center;justify-content:space-between;gap:14px;border:1px solid rgba(148,163,184,.18);border-radius:18px;background:rgba(15,23,42,.78);padding:12px 14px;position:relative;z-index:3;}
.btc-control-left,.btc-control-right{display:flex;gap:10px;align-items:center;flex-wrap:wrap;}
.btc-field{display:flex;align-items:center;gap:8px;color:#94a3b8;font-size:12px;text-transform:uppercase;letter-spacing:.12em;font-weight:800;}
.btc-field select{min-width:88px;height:38px;border-radius:12px;border:1px solid rgba(148,163,184,.20);background:#0b1220;color:#e5e7eb;padding:0 12px;font-weight:800;letter-spacing:0;text-transform:none;}
.btc-refresh{height:38px;border-radius:12px;}
.btc-auto-toggle{display:flex;align-items:center;gap:7px;color:#e5e7eb;font-weight:800;text-transform:uppercase;letter-spacing:.10em;font-size:12px;}
.btc-status{color:#94a3b8;font-size:13px;min-width:120px;}
.btc-pill{display:inline-flex;align-items:center;min-height:30px;border:1px solid rgba(148,163,184,.18);border-radius:999px;padding:5px 10px;color:#9ca3af;background:rgba(2,6,23,.35);font-size:12px;white-space:nowrap;}
.btc-pill.ok{color:#86efac;border-color:rgba(34,197,94,.35);background:rgba(22,101,52,.12);}
.btc-pill.warn{color:#fde68a;border-color:rgba(245,158,11,.35);background:rgba(146,64,14,.14);}
.btc-stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;position:relative;z-index:2;}
.btc-stat{border:1px solid rgba(148,163,184,.18);border-radius:16px;background:rgba(15,23,42,.82);padding:13px 15px;min-height:78px;box-shadow:0 12px 30px rgba(0,0,0,.14);}
.btc-stat span{display:block;color:#94a3b8;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.10em;margin-bottom:7px;}
.btc-stat strong{display:block;color:#f1f5f9;font-size:22px;line-height:1.08;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.btc-stat small{display:block;color:#64748b;font-size:11px;margin-top:7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.btc-chart-panel{position:relative;min-height:760px;padding:0;overflow:hidden;border-radius:18px;background:rgba(15,23,42,.86);}
.btc-chart-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;padding:9px 13px;border-bottom:1px solid rgba(148,163,184,.16);background:rgba(15,23,42,.86);}
.btc-legend{display:flex;gap:7px;flex-wrap:wrap;align-items:center;font-size:12px;color:#cbd5e1;}
.btc-legend-item{display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(148,163,184,.13);border-radius:999px;padding:4px 8px;background:rgba(2,6,23,.20);}
.btc-legend-dot{width:8px;height:8px;border-radius:50%;display:inline-block;background:var(--dot-color,#60a5fa);}
.btc-chart-note{font-size:12px;color:#64748b;white-space:nowrap;}
.btc-chart-container{height:715px;width:100%;}
.btc-bottom-grid{display:grid;grid-template-columns:minmax(420px,.9fr) minmax(520px,1.1fr);gap:12px;}
.btc-card{border:1px solid rgba(148,163,184,.18);border-radius:16px;background:rgba(15,23,42,.82);padding:14px;min-height:230px;}
.btc-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;}
.btc-card h2{font-size:16px;margin:0;color:#e5e7eb;}
.btc-card-head span{color:#64748b;font-size:12px;white-space:nowrap;}
.venue-bars{display:flex;flex-direction:column;gap:8px;}
.venue-bar-row{display:grid;grid-template-columns:155px minmax(140px,1fr) 112px;gap:10px;align-items:center;font-size:12px;color:#cbd5e1;}
.venue-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.venue-track{height:19px;border-radius:999px;background:rgba(30,41,59,.95);overflow:hidden;border:1px solid rgba(148,163,184,.10);}
.venue-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#2563eb,#60a5fa);min-width:2px;}
.venue-fill.side-backed{background:linear-gradient(90deg,#059669,#34d399);}
.venue-value{text-align:right;color:#94a3b8;white-space:nowrap;}
.btc-table-wrap{max-height:350px;overflow:auto;border-radius:10px;}
.btc-table th,.btc-table td{font-size:12px;white-space:nowrap;}
.btc-quality{display:inline-flex;border-radius:999px;padding:3px 7px;font-size:11px;border:1px solid rgba(148,163,184,.18);color:#94a3b8;}
.btc-quality.side{color:#86efac;border-color:rgba(34,197,94,.35);}
.btc-quality.ohlcv{color:#fcd34d;border-color:rgba(245,158,11,.35);}
.btc-empty{color:#94a3b8;font-size:13px;padding:10px 0;}
.detail-status:not(.hidden){border:1px solid rgba(239,68,68,.32);background:rgba(127,29,29,.18);color:#fecaca;border-radius:14px;padding:10px 12px;}
@media(max-width:1200px){.btc-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}.btc-bottom-grid{grid-template-columns:1fr}.btc-chart-note{display:none}.btc-hero{flex-direction:column}.btc-nav{justify-content:flex-start;margin-left:0;padding-top:0}}
@media(max-width:720px){.btc-page-shell{width:calc(100vw - 16px);margin:8px auto 24px;gap:10px}.btc-hero{padding:18px}.btc-heading-block h1{font-size:27px}.btc-control-card{align-items:flex-start;flex-direction:column}.btc-stats-grid{grid-template-columns:1fr}.btc-chart-container{height:620px}.btc-chart-panel{min-height:665px}.venue-bar-row{grid-template-columns:110px 1fr 82px}.btc-table-wrap{max-height:280px}}

/* btc-aggregated-oi-alignment-info-v1-20260705: bottom Aggregated OI diagnostics block */
.btc-oi-info-card { margin-top: 14px; }
.btc-oi-info-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; margin-bottom: 12px; }
.btc-oi-info-chip { border: 1px solid rgba(96,165,250,.22); background: rgba(15,23,42,.55); border-radius: 12px; padding: 10px 12px; min-height: 56px; }
.btc-oi-info-chip span { display:block; color:#94a3b8; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.btc-oi-info-chip strong { display:block; margin-top: 4px; color:#e5e7eb; font-size: 14px; }
.btc-oi-info-chip small { display:block; margin-top: 3px; color:#94a3b8; font-size: 11px; line-height: 1.35; }
.btc-oi-info-note { margin-top: 10px; color:#94a3b8; font-size: 12px; line-height: 1.45; }
.btc-oi-info-table td, .btc-oi-info-table th { white-space: nowrap; }