:root{
  --bg: #ffffff;
  --panel: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --primary: #1e3a8a;
  --accent: #2563eb;
  --success: #10b981;
  --danger: #ef4444;
  --border: #e5e7eb;
}
.dark{
  --bg: #0b1220;
  --panel: #0f172a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --primary: #93c5fd;
  --accent: #60a5fa;
  --success: #22c55e;
  --danger: #f87171;
  --border: #1f2937;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Inter',sans-serif;background:var(--bg);color:var(--text)}
.container{max-width:1000px;margin:20px auto;background:var(--panel);padding:20px;border-radius:16px;box-shadow:0 6px 20px rgba(0,0,0,0.08)}
.header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
h1{margin:0;font-size:1.4rem;color:var(--primary)}
.badge{background:rgba(37,99,235,.12);color:var(--accent);padding:4px 8px;border-radius:999px;font-size:.8rem;margin-left:6px}
.header-actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{padding:8px 12px;border:none;border-radius:10px;cursor:pointer;font-weight:600}
.btn.subtle{background:#e2e8f0;color:#111827}
.dark .btn.subtle{background:#1f2937;color:#e5e7eb}
.btn.danger{background:rgba(239,68,68,.15)}
.btn.buy{background:var(--success);color:#fff}
.btn.sell{background:var(--danger);color:#fff}
.panel{margin-top:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:800px){.grid-2{grid-template-columns:1fr}}
.box{border:1px solid var(--border);border-radius:12px;padding:12px}
.section-title{font-weight:700;color:var(--accent);margin-bottom:8px}
.stock-list{display:flex;flex-wrap:wrap;gap:6px}
.stock-btn{background:#e2e8f0;padding:6px 10px;border-radius:6px;border:none;font-weight:600;cursor:pointer;font-size:.85rem}
.stock-btn.active{background:var(--accent);color:white}
.form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:8px}
input[type="number"]{padding:8px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--text)}
.table-wrap{overflow:auto}
.table{width:100%;border-collapse:collapse;font-size:.92rem}
.table th,.table td{border-bottom:1px solid var(--border);padding:8px;text-align:left;white-space:nowrap}
.total-cost,.score-section{margin-top:8px;font-weight:bold}
.rsi-bar-container{background:#e5e7eb;border-radius:10px;height:16px;overflow:hidden}
.rsi-bar-fill{height:100%;background:var(--accent);text-align:right;padding-right:6px;color:#fff;font-weight:700}
.footer{margin-top:24px;text-align:center;font-size:.9rem;color:var(--muted)}
.chip{display:inline-block;padding:4px 8px;border-radius:999px;background:#e5e7eb;color:#111827;font-weight:600}
.dark .chip{background:#1f2937;color:#e5e7eb}
.muted{color:var(--muted)}

/* FIX: lock chart heights to stop page growth */
.chart-wrap{position:relative;width:100%;height:220px}
.chart-wrap > canvas{position:absolute;inset:0;width:100% !important;height:100% !important}

/* === Order Book (Depth) === */
.ob-table-wrap{max-height:300px;overflow:auto;border:1px solid var(--border);border-radius:10px}
.ob-table{width:100%;border-collapse:collapse;font-size:.92rem}
.ob-table th,.ob-table td{padding:8px;border-bottom:1px solid var(--border);text-align:right;white-space:nowrap}
.ob-table th{text-align:center;color:var(--muted);font-weight:700}
.ob-price{font-weight:700}
.bid{color:#16a34a}
.ask{color:#ef4444}
@keyframes blinkUp{0%{background:rgba(16,185,129,.18)}100%{background:transparent}}
@keyframes blinkDown{0%{background:rgba(239,68,68,.18)}100%{background:transparent}}
.blink-up{animation:blinkUp .25s ease-out}
.blink-down{animation:blinkDown .25s ease-out}

/* === Side Panel (Imbalance + Tape) === */
.imb-wrap{display:flex;flex-direction:column;gap:6px}
.imb-bar{display:flex;border:1px solid var(--border);border-radius:10px;overflow:hidden;height:26px}
.imb-bid{background:rgba(16,185,129,.25);text-align:left;padding-left:6px;display:flex;align-items:center;font-weight:700}
.imb-ask{background:rgba(239,68,68,.25);text-align:right;padding-right:6px;display:flex;align-items:center;justify-content:flex-end;font-weight:700}
.imb-legend{font-size:.9rem;color:var(--muted)}
.tape-wrap{max-height:300px;overflow:auto;border:1px solid var(--border);border-radius:10px}
.tape-table{width:100%;border-collapse:collapse;font-size:.92rem}
.tape-table th,.tape-table td{padding:8px;border-bottom:1px solid var(--border);text-align:right;white-space:nowrap}
.tape-table th{text-align:center;color:var(--muted);font-weight:700}
@media (max-width:800px){
  #orderBookPanel .grid-2{grid-template-columns:1fr} /* mobile: stack */
}