:root{--background:#f4f6f8;--surface:#fff;--surface-strong:#f8fafc;--text:#17202a;--muted:#657181;--border:#d9e0e7;--border-strong:#b9c4cf;--green:#14885f;--red:#d14c40;--blue:#2563eb;--amber:#c8830d;--violet:#7c3aed;--shadow:0 12px 28px #18222d14}*{box-sizing:border-box}html,body{background:var(--background);min-height:100%;color:var(--text);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;padding:20px}.workspace{grid-template-columns:minmax(0,1fr) 320px;gap:16px;max-width:1480px;margin:0 auto;display:grid}.topbar{grid-column:1/-1;justify-content:space-between;align-items:center;gap:16px;min-height:52px;display:flex}.brand{align-items:center;gap:10px;min-width:0;display:flex}.brand-mark{border:1px solid var(--border);background:var(--surface);width:34px;height:34px;box-shadow:var(--shadow);border-radius:8px;place-items:center;display:grid}.brand h1{margin:0;font-size:18px;font-weight:700;line-height:1.1}.brand p{color:var(--muted);margin:3px 0 0;font-size:12px}.status-strip{color:var(--muted);align-items:center;gap:10px;font-size:12px;display:flex}.status-dot{background:var(--green);border-radius:999px;width:8px;height:8px}.panel{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:8px}.chart-panel{min-width:0;overflow:hidden}.chart-toolbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:end;gap:14px;padding:14px;display:flex}.control-row{flex-wrap:wrap;align-items:end;gap:10px;display:flex}.field{gap:6px;display:grid}.field label{color:var(--muted);text-transform:uppercase;font-size:11px;font-weight:650}.ticker-input{border:1px solid var(--border-strong);width:120px;height:36px;color:var(--text);background:var(--surface);letter-spacing:0;border-radius:7px;padding:0 10px;font-size:14px;font-weight:700}.range-group{border:1px solid var(--border-strong);background:var(--surface-strong);border-radius:7px;height:36px;display:flex;overflow:hidden}.range-button{border:0;border-right:1px solid var(--border);min-width:48px;color:var(--muted);background:0 0;justify-content:center;align-items:center;gap:5px;font-size:13px;font-weight:650;display:inline-flex}.range-button:last-child{border-right:0}.range-button[data-active=true]{background:var(--text);color:#fff}.custom-range-button{min-width:86px}.custom-range-controls{flex-wrap:wrap;align-items:end;gap:10px;display:flex}.datetime-input,.timeframe-select{border:1px solid var(--border-strong);height:36px;color:var(--text);background:var(--surface);letter-spacing:0;border-radius:7px;padding:0 9px;font-size:13px;font-weight:650}.datetime-input{width:188px}.timeframe-select{width:96px}.load-button{background:var(--text);color:#fff;border:0;border-radius:7px;align-items:center;gap:7px;height:36px;padding:0 13px;font-size:13px;font-weight:700;display:inline-flex}.load-button:disabled{cursor:not-allowed;opacity:.65}.spin{animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.legend{color:var(--muted);flex-wrap:wrap;justify-content:flex-end;gap:10px;font-size:12px;display:flex}.legend-item{align-items:center;gap:5px;display:inline-flex}.legend-line{border-radius:999px;width:18px;height:2px}.chart-frame{height:610px;padding:8px 10px 12px;position:relative}.chart{width:100%;height:100%}.chart-state{color:var(--muted);pointer-events:none;place-items:center;font-size:14px;display:grid;position:absolute;inset:12px}.details-panel{align-content:start;gap:14px;padding:14px;display:grid}.panel-section{gap:10px;display:grid}.section-title{color:var(--muted);text-transform:uppercase;margin:0;font-size:11px;font-weight:750}.metrics-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.metric{border:1px solid var(--border);background:var(--surface-strong);border-radius:7px;min-height:66px;padding:9px}.metric span{color:var(--muted);font-size:11px;font-weight:650;display:block}.metric strong{margin-top:7px;font-size:18px;line-height:1.1;display:block}.run-state{border:1px solid var(--border);background:var(--surface-strong);color:var(--muted);border-radius:7px;gap:8px;padding:11px;font-size:13px;display:grid}.run-state strong{color:var(--text)}.strategy-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.toggle-row,.number-field{border:1px solid var(--border);background:var(--surface-strong);border-radius:7px;min-height:48px;padding:8px}.toggle-row{color:var(--text);align-items:center;gap:8px;font-size:13px;font-weight:700;display:flex;position:relative}.toggle-row>label{min-width:0}.toggle-row input{width:16px;height:16px;accent-color:var(--green)}.number-field{gap:4px;display:grid;position:relative}.control-label{align-items:center;gap:5px;width:fit-content;display:inline-flex}.number-field .control-label,.number-field label{color:var(--muted);font-size:11px;font-weight:650}.tooltip-trigger{width:16px;height:16px;color:var(--muted);cursor:help;border-radius:999px;outline:none;flex:none;justify-content:center;align-items:center;display:inline-flex;position:relative}.tooltip-trigger:hover,.tooltip-trigger:focus,.tooltip-trigger:focus-visible{color:var(--text)}.tooltip-trigger:after{z-index:20;border:1px solid var(--border-strong);background:var(--text);width:max-content;max-width:220px;box-shadow:var(--shadow);color:#fff;content:attr(aria-label);opacity:0;pointer-events:none;white-space:normal;border-radius:7px;padding:8px 9px;font-size:12px;font-weight:600;line-height:1.35;transition:opacity .12s,transform .12s;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%,4px)}.tooltip-trigger:hover:after,.tooltip-trigger:focus:after,.tooltip-trigger:focus-visible:after{opacity:1;transform:translate(-50%)}.number-field input,.number-field select{width:100%;min-width:0;color:var(--text);background:0 0;border:0;outline:none;font-size:16px;font-weight:750}.number-field select{appearance:auto}.indicator-field{grid-column:1/-1}.indicator-options{flex-wrap:wrap;gap:6px;display:flex}.indicator-option{border:1px solid var(--border);color:var(--text);background:#fff;border-radius:6px;align-items:center;gap:5px;padding:5px 7px;font-size:12px;font-weight:750;display:inline-flex}.indicator-option input{width:14px;height:14px;accent-color:var(--green)}.indicator-option:has(input:disabled){color:var(--muted);cursor:not-allowed}.trade-summary{border:1px solid var(--border);background:var(--surface-strong);color:var(--muted);border-radius:7px;justify-content:space-between;gap:10px;padding:10px;font-size:12px;display:flex}.trade-summary strong{color:var(--text)}.trade-list{gap:8px;display:grid}.trade-row,.empty-state{border:1px solid var(--border);background:var(--surface-strong);border-radius:7px;padding:10px;font-size:12px}.trade-row{grid-template-columns:auto minmax(0,1fr);align-items:start;gap:4px;display:grid}.trade-badge{background:var(--text);color:#fff;border-radius:6px;place-items:center;min-width:28px;height:24px;font-size:11px;font-weight:750;display:inline-grid}.trade-copy{gap:4px;min-width:0;display:grid}.trade-row strong{font-size:13px}.trade-copy span,.trade-row em,.empty-state{color:var(--muted)}.trade-row em{font-style:normal}.warning{color:#75520b;background:#fff8e6;border:1px solid #f0d9a5;border-radius:7px;padding:10px;font-size:12px;line-height:1.4}@media (max-width:1040px){.workspace{grid-template-columns:1fr}.details-panel{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:720px){.app-shell{padding:12px}.topbar,.chart-toolbar{flex-direction:column;align-items:stretch}.status-strip,.legend{justify-content:flex-start}.chart-frame{height:430px}.custom-range-controls,.datetime-input,.timeframe-select,.custom-range-controls .field{width:100%}.details-panel{grid-template-columns:1fr}}