:root{--bg: #0e1117;--panel: #161b22;--panel-2: #1c2230;--border: #2a3140;--text: #e6edf3;--muted: #8b949e;--call: #3fb950;--put: #f85149;--accent: #58a6ff;--atm: #ffd33d;--itm-bg: rgba(88, 166, 255, .06)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:14px}.app{max-width:1500px;margin:0 auto;padding:20px}.app-header{display:flex;align-items:baseline;gap:12px;margin-bottom:18px}.app-header h1{font-size:22px;margin:0}.subtitle{color:var(--muted);font-size:13px}.controls{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:14px 18px;margin-bottom:16px}.control-group{display:flex;flex-direction:column;gap:6px}.control-group.grow{margin-left:auto}.control-group label{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}.segmented{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}.seg{background:var(--panel-2);color:var(--muted);border:none;padding:7px 16px;cursor:pointer;font-weight:600;font-size:13px}.seg.active{background:var(--accent);color:#0b1220}select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:7px 10px;font-size:13px;min-width:160px}.spot-value{font-size:18px;font-weight:700;color:var(--accent)}.status-row{display:flex;align-items:center;gap:10px}.refresh-btn{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:7px 14px;cursor:pointer;font-size:13px}.refresh-btn:hover:not(:disabled){border-color:var(--accent)}.refresh-btn:disabled{opacity:.6;cursor:default}.badge{font-size:11px;font-weight:700;padding:3px 8px;border-radius:6px;letter-spacing:.5px}.badge.live{background:#3fb95026;color:var(--call)}.badge.demo{background:#ffd33d26;color:var(--atm)}.muted{color:var(--muted);font-size:12px}.banner{flex-basis:100%;padding:8px 12px;border-radius:8px;font-size:13px}.banner.warn{background:#ffd33d1a;color:var(--atm);border:1px solid rgba(255,211,61,.3)}.custom-base-row{flex-basis:100%;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.custom-base-input{flex:1;min-width:260px;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:7px 10px;font-size:13px}.custom-hint{flex-basis:100%;font-size:11px}.board-scroll{overflow-x:auto;border:1px solid var(--border);border-radius:10px}.board{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums;font-size:13px;white-space:nowrap}.board th,.board td{padding:6px 10px;text-align:right}.group-head th{font-size:12px;letter-spacing:1px;padding:8px;position:sticky;top:0}.group-head .call-side{color:var(--call);background:#3fb95014;text-align:center}.group-head .put-side{color:var(--put);background:#f8514914;text-align:center}.group-head .strike-col{background:var(--panel-2)}.col-head th{color:var(--muted);font-weight:600;font-size:11px;border-bottom:1px solid var(--border);background:var(--panel)}.board tbody tr:nth-child(2n){background:#ffffff04}.board tbody tr:hover{background:#58a6ff0f}.strike-col{font-weight:700;color:var(--text);background:var(--panel-2);text-align:center!important;border-left:1px solid var(--border);border-right:1px solid var(--border)}td.itm{background:var(--itm-bg)}tr.atm{background:#ffd33d1a!important}tr.atm .strike-col{color:var(--atm);box-shadow:inset 0 0 0 1px #ffd33d66}.atm-tag{font-size:9px;font-weight:700;color:#0b1220;background:var(--atm);border-radius:4px;padding:1px 4px;margin-left:6px;vertical-align:middle}.board-empty{padding:40px;text-align:center;color:var(--muted)}.recalc{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:14px 18px;margin-bottom:16px}.recalc-title{display:flex;align-items:center;gap:12px;font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:12px}.link-btn{background:none;border:none;color:var(--accent);cursor:pointer;font-size:12px;padding:0}.link-btn:hover{text-decoration:underline}.recalc-grid{display:grid;grid-template-columns:1fr 1fr auto;gap:22px;align-items:start}@media (max-width: 900px){.recalc-grid{grid-template-columns:1fr}}.recalc-field{display:flex;flex-direction:column;gap:8px;min-width:0}.recalc-field.narrow{min-width:150px}.recalc-label{display:flex;justify-content:space-between;gap:10px;font-size:13px;font-weight:600}.recalc-label .up{color:var(--call);font-weight:600;font-size:12px}.recalc-label .down{color:var(--put);font-weight:600;font-size:12px}.recalc-input-row{display:flex;align-items:center;gap:10px}.recalc-input-row input[type=range]{flex:1;accent-color:var(--accent);min-width:80px}.num{width:96px;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 8px;font-size:13px;font-variant-numeric:tabular-nums;text-align:right}.num.sm{width:48px;padding:6px}.dh-inputs{display:flex;align-items:center;gap:4px}.dh-inputs .unit{color:var(--muted);font-size:12px}.recalc-sub{font-size:11px;color:var(--muted)}.tabs{display:flex;gap:4px;margin-bottom:14px;border-bottom:1px solid var(--border)}.tab{background:none;border:none;color:var(--muted);padding:10px 18px;cursor:pointer;font-size:14px;font-weight:600;border-bottom:2px solid transparent;margin-bottom:-1px}.tab:hover{color:var(--text)}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.smile-wrap{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px 18px}.smile-head{font-size:14px;font-weight:600;margin-bottom:8px}.smile-chart{width:100%;height:480px}.add-col{width:30px;padding:2px 4px!important;text-align:center!important}.add-leg-btn{width:22px;height:22px;border-radius:5px;border:1px solid var(--border);background:var(--panel-2);color:var(--muted);font-size:15px;line-height:1;cursor:pointer;padding:0}.add-leg-btn.call:hover:not(:disabled){border-color:var(--call);color:var(--call)}.add-leg-btn.put:hover:not(:disabled){border-color:var(--put);color:var(--put)}.add-leg-btn:disabled{opacity:.25;cursor:default}.builder{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px 18px}.builder-head{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:600;margin-bottom:12px}.hint-plus{display:inline-block;border:1px solid var(--border);border-radius:4px;padding:0 6px;color:var(--accent)}.legs-table{border-collapse:collapse;width:100%;font-size:13px}.legs-table th{color:var(--muted);font-size:11px;font-weight:600;text-align:left;padding:6px 10px;border-bottom:1px solid var(--border);white-space:nowrap}.legs-table td{padding:6px 10px;vertical-align:middle}.legs-table tbody tr{border-bottom:1px solid rgba(255,255,255,.04)}.legs-table tbody tr.short-leg{background:#f851490a}.legs-table tbody tr.long-leg{background:#3fb9500a}.segmented.sm .seg{padding:4px 10px;font-size:12px}.segmented.sm .seg.active.buy{background:var(--call);color:#0b1220}.segmented.sm .seg.active.sell{background:var(--put);color:#0b1220}.legs-table select{min-width:70px;padding:5px 8px}.num.sm2{width:92px}.num.sm3{width:68px}.exp-cell{font-size:12px;white-space:nowrap}.leg-actions{white-space:nowrap}.leg-actions button{background:var(--panel-2);border:1px solid var(--border);color:var(--muted);border-radius:5px;width:26px;height:26px;cursor:pointer;margin-left:4px;font-size:13px}.leg-actions button:hover{color:var(--text);border-color:var(--accent)}.leg-actions button.danger:hover{color:var(--put);border-color:var(--put)}.pnl{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px 18px;margin-top:16px}.pnl-toolbar{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:8px}.pnl-title{font-size:14px;font-weight:600}.rng{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}.rng input[type=range]{accent-color:var(--accent);width:160px}.pnl-chart{width:100%;height:440px}.summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:14px}.sum-card{background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px}.sum-label{font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);margin-bottom:4px}.sum-value{font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}.sum-value.up{color:var(--call)}.sum-value.down{color:var(--put)}