:root{color-scheme:dark;--bg: #0d1117;--panel: #161b22;--border: #30363d;--text: #e6edf3;--muted: #8b949e;--accent: #3fb950;--accent-dim: #238636;--warn: #d29922;--btn: #21262d;--btn-hover: #30363d;--font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;--mono: "IBM Plex Mono", "SF Mono", ui-monospace, monospace}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:var(--font)}#app{height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:12px;padding:8px 12px;border-bottom:1px solid var(--border);background:var(--panel);flex-shrink:0}.topbar h1{margin:0;font-size:14px;font-weight:600;letter-spacing:.02em}.topbar .meta{color:var(--muted);font-size:12px;font-family:var(--mono)}.layout{flex:1;min-height:0;display:grid;grid-template-columns:1fr 360px}.chart-wrap{min-width:0;min-height:0;display:flex;flex-direction:column;border-right:1px solid var(--border)}#tv_chart_container{flex:1;min-height:0}.controls{display:flex;align-items:center;gap:10px;padding:8px 12px;border-top:1px solid var(--border);background:var(--panel);flex-shrink:0}.controls button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--btn);color:var(--text);border-radius:6px;padding:6px 12px;font-size:13px;cursor:pointer}.controls button:hover:not(:disabled){background:var(--btn-hover)}.controls button:disabled{opacity:.4;cursor:not-allowed}.controls .status{font-family:var(--mono);font-size:13px;color:var(--accent)}.side{display:flex;flex-direction:column;min-height:0;background:var(--panel)}.side-header{padding:12px 14px 8px;border-bottom:1px solid var(--border)}.side-header .bar-label{font-family:var(--mono);font-size:15px;font-weight:600}.side-header .bar-ohlc{margin-top:4px;font-family:var(--mono);font-size:11px;color:var(--muted)}.side-section{padding:12px 14px;display:flex;flex-direction:column;gap:8px;min-height:0}.side-section label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.side-section textarea{width:100%;min-height:140px;resize:vertical;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:var(--font);font-size:13px;line-height:1.45;padding:10px}.side-section textarea:focus{outline:1px solid var(--accent-dim)}.save-hint{font-size:11px;color:var(--muted);min-height:1.2em}.side-section .peek-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--btn);color:var(--text);border-radius:6px;padding:8px 12px;font-size:13px;cursor:pointer;align-self:flex-start}.side-section .peek-btn:hover{background:var(--btn-hover)}.side-section .peek-btn.active{border-color:var(--warn);color:var(--warn)}.book-text{flex:1;overflow:auto;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:10px 12px;font-size:13px;line-height:1.55;white-space:pre-wrap;color:var(--text);display:none}.book-text.open{display:block}.book-text.empty{color:var(--muted);font-style:italic}.error-banner{padding:16px;color:#ff7b72;font-family:var(--mono);white-space:pre-wrap}