:root{--bg-primary: #050505;--bg-secondary: #0d0d0d;--bg-tertiary: #141414;--border-color: rgba(255, 255, 255, .08);--border-hover: rgba(255, 255, 255, .15);--text-primary: #d4d4d4;--text-secondary: #888888;--text-muted: #555555;--accent-amber: #ffb000;--accent-amber-dim: rgba(255, 176, 0, .15);--green: #00c853;--green-dim: rgba(0, 200, 83, .12);--red: #ff1744;--red-dim: rgba(255, 23, 68, .12);--font-mono: "IBM Plex Mono", "Consolas", "Courier New", monospace;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--radius: 2px;--chart-height: 280px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:13px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::selection{background:var(--accent-amber-dim);color:var(--accent-amber)}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.main-content{flex:1;padding:8px;overflow:auto}.header{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 12px;background:var(--bg-tertiary);border-bottom:1px solid var(--border-color);-webkit-user-select:none;user-select:none;flex-shrink:0}.header-left,.header-right{display:flex;align-items:center;gap:10px}.header-logo{font-family:var(--font-mono);font-size:11px;font-weight:600;color:var(--accent-amber);letter-spacing:1.5px}.header-title{font-family:var(--font-mono);font-size:10px;color:var(--text-secondary);letter-spacing:.5px}.header-separator{color:var(--text-muted);font-size:12px}.header-time{font-family:var(--font-mono);font-size:11px;color:var(--text-primary)}.header-tz{font-family:var(--font-mono);font-size:10px;color:var(--text-muted)}.chart-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:8px;height:100%}.chart-panel{display:flex;flex-direction:column;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius);overflow:hidden}.chart-panel:hover{border-color:var(--border-hover)}.chart-panel-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 10px;border-bottom:1px solid var(--border-color);flex-shrink:0}.chart-panel-info{display:flex;align-items:center;gap:8px;min-width:0}.chart-panel-controls{display:flex;align-items:center;gap:6px}.chart-type-toggle{display:inline-flex;border:1px solid var(--border-color);border-radius:var(--radius);overflow:hidden}.chart-type-btn{font-family:var(--font-mono);font-size:9px;padding:2px 6px;background:transparent;color:var(--text-secondary);border:none;cursor:pointer;transition:all .1s;text-transform:uppercase;letter-spacing:.5px}.chart-type-btn+.chart-type-btn{border-left:1px solid var(--border-color)}.chart-type-btn:hover{color:var(--accent-amber)}.chart-type-btn.active{background:var(--accent-amber-dim);color:var(--accent-amber)}.chart-indicator-check{display:inline-flex;align-items:center;gap:3px;font-family:var(--font-mono);font-size:9px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;cursor:pointer;-webkit-user-select:none;user-select:none}.chart-indicator-check input[type=checkbox]{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:10px;height:10px;border:1px solid var(--border-hover);border-radius:1px;background:transparent;cursor:pointer;position:relative}.chart-indicator-check input[type=checkbox]:checked{background:var(--accent-amber);border-color:var(--accent-amber)}.chart-indicator-check input[type=checkbox]:checked:after{content:"";position:absolute;top:1px;right:1px;bottom:1px;left:1px;background:var(--bg-primary);clip-path:polygon(14% 44%,0 65%,50% 100%,100% 16%,80% 0,43% 62%)}.chart-container{flex:0 0 50%;min-height:0;position:relative}.chart-empty-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:16px;text-align:center;pointer-events:none;background:#0d0d0d8c;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px)}.chart-empty-overlay__title{font-family:var(--font-mono);font-size:11px;font-weight:600;color:var(--accent-amber);letter-spacing:1.5px;text-transform:uppercase}.chart-empty-overlay__body{font-family:var(--font-mono);font-size:10px;color:var(--text-primary)}.chart-empty-overlay__hint{font-family:var(--font-mono);font-size:9px;color:var(--text-muted)}.chart-empty-overlay__hint strong{color:var(--text-secondary);font-weight:600}.chart-status{font-family:var(--font-mono);font-size:9px;text-transform:uppercase;letter-spacing:.5px}.last-tick-bar{font-family:var(--font-mono);font-size:9px;color:var(--text-muted);text-align:right;padding:2px 12px;border-top:1px solid var(--border-color)}.stale-banner{font-family:var(--font-mono);font-size:9px;color:var(--red);background:#ff17440f;text-align:center;padding:4px 12px;border-top:1px solid rgba(255,23,68,.2);border-bottom:1px solid rgba(255,23,68,.2)}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 25%,#222 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:skeleton-shimmer 1.6s ease-in-out infinite;border-radius:var(--radius);display:inline-block;flex-shrink:0}.skeleton-label{width:52px;height:9px;vertical-align:middle}.skeleton-chart{width:100%;height:100%;border-radius:0}.skeleton-toggle{width:60px;height:9px;margin-left:auto}.skeleton-table-row{display:flex;align-items:center;gap:6px;padding:3px 12px;border-bottom:1px solid var(--border-color)}.skeleton-table-row .skeleton{display:inline-block}.mobile-guard{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--bg-primary);padding:24px}.mobile-guard__panel{display:flex;flex-direction:column;align-items:center;gap:16px;padding:36px 48px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius);max-width:480px;text-align:center}.mobile-guard__brand{font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--accent-amber);letter-spacing:2px}.mobile-guard__msg{font-family:var(--font-mono);font-size:11px;color:var(--text-secondary);line-height:1.6}:focus-visible{outline:1.5px solid var(--accent-amber);outline-offset:1px}.ticker-select:focus-visible{outline:1.5px solid var(--accent-amber);outline-offset:0}.chart-type-btn:focus-visible,.options-toggle-btn:focus-visible,.options-expiry-tab:focus-visible{outline-offset:-1px}.chart-status.loading{color:var(--text-muted)}.chart-status.error{color:var(--red)}.ticker-select{font-family:var(--font-mono);font-size:12px;font-weight:500;color:var(--accent-amber);background:transparent;border:1px solid var(--border-color);border-radius:var(--radius);padding:2px 6px;cursor:pointer;outline:none;appearance:none;-webkit-appearance:none;-moz-appearance:none;min-width:72px}.ticker-select:hover{border-color:var(--accent-amber)}.ticker-select:focus{border-color:var(--accent-amber);box-shadow:0 0 0 1px var(--accent-amber-dim)}.ticker-select option{background:var(--bg-tertiary);color:var(--text-primary);font-family:var(--font-mono);font-size:12px;padding:4px}.header-brand{display:inline-flex;flex-direction:column;align-items:flex-start;gap:1px;font-family:var(--font-mono);color:var(--accent-amber);letter-spacing:1.5px;line-height:1}.header-brand-bold{font-size:18px;font-weight:700;color:var(--accent-amber);line-height:1}.header-brand-suffix{font-size:10px;font-weight:400;color:var(--accent-amber);letter-spacing:4px;text-transform:uppercase;line-height:1;opacity:.85}.header-date{font-family:var(--font-mono);font-size:11px;color:var(--text-primary)}.historical-picker{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius);padding:8px 12px;margin-bottom:4px}.historical-picker-row{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap}.historical-date-section,.historical-ticker-section{display:flex;flex-direction:column;gap:4px}.historical-label{font-family:var(--font-mono);font-size:9px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.historical-date-input{font-family:var(--font-mono);font-size:11px;color:var(--accent-amber);background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius);padding:4px 8px;outline:none}.historical-date-input:focus{border-color:var(--accent-amber);box-shadow:0 0 0 1px var(--accent-amber-dim)}.historical-fetch-btn{font-family:var(--font-mono);font-size:11px;font-weight:500;padding:4px 16px;background:var(--accent-amber);color:var(--bg-primary);border:1px solid var(--accent-amber);border-radius:var(--radius);cursor:pointer;transition:all .1s}.historical-fetch-btn:hover:not(:disabled){background:transparent;color:var(--accent-amber)}.historical-fetch-btn:disabled{opacity:.5;cursor:not-allowed}.historical-error{font-family:var(--font-mono);font-size:10px;color:var(--red);margin-top:6px;padding:4px 8px;background:var(--red-dim);border-radius:var(--radius)}.historical-status{font-family:var(--font-mono);font-size:10px;margin-top:6px;padding:4px 8px;border-radius:var(--radius)}.historical-status.success{color:var(--green);background:var(--green-dim)}.historical-status.error{color:var(--red);background:var(--red-dim)}.historical-status.info{color:var(--accent-amber);background:var(--accent-amber-dim)}.historical-date-badge{font-family:var(--font-mono);font-size:9px;color:var(--text-muted);margin-left:8px}.live-badge{font-family:var(--font-mono);font-size:9px;color:var(--green);margin-left:8px;background:var(--green-dim);padding:1px 6px;border-radius:999px;text-transform:uppercase;letter-spacing:.5px;font-weight:600}.live-badge-glow{animation:live-pulse 1.6s ease-in-out infinite}@keyframes live-pulse{0%,to{box-shadow:0 0 #00c8538c,0 0 6px 1px #00c8538c}50%{box-shadow:0 0 0 3px #00c85300,0 0 10px 2px #00c853d9}}.options-table-wrapper{border-top:1px solid var(--border-color);background:var(--bg-secondary);display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}.options-table-toggle{display:flex;align-items:center;gap:2px;padding:3px 6px;border-bottom:1px solid var(--border-color);background:var(--bg-tertiary)}.options-toggle-btn{font-family:var(--font-mono);font-size:9px;padding:2px 6px;background:transparent;color:var(--text-secondary);border:none;border-radius:1px;cursor:pointer;transition:all .1s}.options-toggle-btn:hover{color:var(--accent-amber)}.options-toggle-btn.active{background:var(--accent-amber-dim);color:var(--accent-amber)}.options-expiry-tabs{display:flex;align-items:center;gap:4px;padding:2px 6px;border-bottom:1px solid var(--border-color);background:var(--bg-secondary)}.options-expiry-tab{font-family:var(--font-mono);font-size:9px;padding:1px 8px;background:transparent;color:var(--text-muted);border:1px solid var(--border-color);border-radius:1px;cursor:pointer;transition:all .1s;outline:none}.options-expiry-tab:hover{border-color:var(--border-hover);color:var(--text-primary)}.options-expiry-tab.active{background:var(--bg-tertiary);border-color:var(--accent-amber);color:var(--accent-amber)}.options-table-loading{font-family:var(--font-mono);font-size:9px;color:var(--text-muted);margin-left:auto}.options-table-meta{font-family:var(--font-mono);font-size:9px;color:var(--text-muted);padding:4px 12px;border-bottom:1px solid var(--border-color);white-space:nowrap}.options-table-meta-sep{margin:0 4px}.options-table-meta-oi{color:var(--accent-amber)}.options-table-dte-banner{font-family:var(--font-mono);font-size:9px;color:var(--accent-amber);background:#ffb0000f;padding:4px 12px;border-bottom:1px solid var(--border-color)}.options-table-scroll{flex:1;overflow-y:auto;min-height:0}.options-table-scroll-x{overflow-x:auto}.options-table{border-collapse:collapse;table-layout:fixed;width:100%}.options-table-multi{min-width:544px;width:100%}.options-table thead{position:sticky;top:0;z-index:2;background:var(--bg-tertiary)}.options-table thead th{font-family:var(--font-mono);font-size:9px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;padding:3px 4px;border-bottom:1px solid var(--border-color);text-align:center}.opt-exp-header{background:var(--bg-secondary);color:var(--accent-amber);letter-spacing:1px;font-size:9px;border-bottom:1px solid var(--border-color)}.opt-strike-col{width:56px;min-width:56px;text-align:right!important;position:sticky;left:0;z-index:3;background:var(--bg-tertiary);border-right:1px solid var(--border-color)}.opt-col{min-width:44px;text-align:right}.opt-net{border-left:1px solid rgba(255,255,255,.04);border-right:1px solid rgba(255,255,255,.04)}.opt-block-divider{border-left:1px solid var(--border-hover)!important}.options-table tbody tr{border-bottom:1px solid rgba(255,255,255,.03)}.options-table tbody tr:hover{background:#ffffff05}.options-table tbody td{font-family:var(--font-mono);font-size:10px;padding:2px 4px;text-align:right;white-space:nowrap}.opt-strike{position:sticky;left:0;z-index:1;background:var(--bg-secondary);font-weight:500;color:var(--text-primary);padding-right:8px!important;width:56px;border-right:1px solid var(--border-color)}.options-table tbody tr:hover .opt-strike{background:var(--bg-secondary)}.opt-val{transition:color .1s}.opt-vol-col{width:96px;min-width:96px;position:sticky;left:56px;z-index:3;background:var(--bg-tertiary);border-right:1px solid var(--border-color)}.opt-vol-cell{position:sticky;left:56px;z-index:1;background:var(--bg-secondary);width:96px;min-width:96px;padding:0 4px!important;border-right:1px solid var(--border-color)}.options-table tbody tr:hover .opt-vol-cell{background:var(--bg-secondary)}.opt-vol-bar{display:flex;width:100%;height:12px;align-items:stretch}.opt-vol-side{flex:1;display:flex;height:100%;overflow:hidden}.opt-vol-call{flex-direction:row-reverse;border-right:1px solid rgba(255,255,255,.08)}.opt-vol-put{flex-direction:row}.opt-vol-seg{height:100%}.opt-vol-call .opt-vol-seg-0{background:#00c853d9}.opt-vol-call .opt-vol-seg-1{background:#00c8538c}.opt-vol-call .opt-vol-seg-2{background:#00c8534d}.opt-vol-put .opt-vol-seg-0{background:#ff1744d9}.opt-vol-put .opt-vol-seg-1{background:#ff17448c}.opt-vol-put .opt-vol-seg-2{background:#ff17444d}.opt-row-atm .opt-strike{color:var(--accent-amber);background:linear-gradient(90deg,rgba(255,176,0,.18),var(--bg-secondary) 80%)}.opt-row-atm td{border-top:1px solid rgba(255,176,0,.25);border-bottom:1px solid rgba(255,176,0,.25)}.opt-atm-arrow{color:var(--accent-amber);font-size:9px;margin-right:4px;display:inline-block;text-shadow:0 0 4px rgba(255,176,0,.7);vertical-align:middle}.options-table-error,.options-table-empty{font-family:var(--font-mono);font-size:10px;color:var(--text-muted);padding:16px;text-align:center}.options-table-error{color:var(--red)}.auth-gate{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--bg-primary)}.auth-gate__panel{display:flex;flex-direction:column;align-items:center;gap:16px;padding:36px 48px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius);min-width:360px;max-width:480px}.auth-gate__brand{font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--accent-amber);letter-spacing:2px}.auth-gate__msg{font-family:var(--font-sans);font-size:13px;color:var(--text-primary);text-align:center}.auth-gate__cta{font-family:var(--font-mono);font-size:11px;font-weight:600;color:var(--bg-primary);background:var(--accent-amber);border:none;padding:10px 20px;border-radius:var(--radius);cursor:pointer;letter-spacing:1px;transition:opacity .1s}.auth-gate__cta:hover{opacity:.85}.auth-gate__sub{font-family:var(--font-mono);font-size:10px;color:var(--text-muted)}.auth-gate__sub a{color:var(--accent-amber);text-decoration:none}.auth-gate__sub a:hover{text-decoration:underline}.auth-gate--checking .auth-gate__msg{color:var(--text-muted)}.auth-gate__portrait{font-size:32px;line-height:1;margin-bottom:-4px}.auth-gate__actions{display:flex;gap:12px;width:100%}.auth-gate__cta--primary{flex:1;text-align:center;text-decoration:none}.auth-gate__cta--secondary{flex:1;background:transparent;border:1px solid var(--accent-amber);color:var(--accent-amber)}.auth-gate__cta--secondary:hover{background:var(--accent-amber-dim);opacity:1}.status-pill{font-family:var(--font-mono);font-size:9px;font-weight:600;letter-spacing:1px;padding:3px 8px;border-radius:var(--radius);border:1px solid transparent;-webkit-user-select:none;user-select:none}.status-pill--fresh{color:var(--green);border-color:#00c85366;background:var(--green-dim)}.status-pill--lagging{color:var(--accent-amber);border-color:#ffb00066;background:var(--accent-amber-dim)}.status-pill--stale,.status-pill--down{color:var(--red);border-color:#ff174466;background:var(--red-dim)}.status-pill--off-hours{color:var(--text-secondary);border-color:var(--border-color);background:var(--bg-tertiary)}.status-pill--checking{color:var(--text-muted);border-color:var(--border-color);background:var(--bg-tertiary)}.footer{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;padding:6px 12px;height:26px;background:var(--bg-tertiary);border-top:1px solid var(--border-color);font-family:var(--font-mono);font-size:9px;color:var(--text-muted);-webkit-user-select:none;user-select:none;flex-shrink:0}.footer-disclaimer{letter-spacing:.5px}.footer-sep{color:var(--text-muted);opacity:.6}.footer-link{color:var(--text-secondary);text-decoration:none;letter-spacing:.5px;transition:color .1s}.footer-link:hover{color:var(--accent-amber)}.header-logout{font-family:var(--font-mono);font-size:9px;font-weight:500;letter-spacing:1px;color:var(--text-secondary);background:transparent;border:1px solid var(--border-color);border-radius:var(--radius);padding:4px 10px;cursor:pointer;transition:color .1s,border-color .1s}.header-logout:hover{color:var(--text-primary);border-color:var(--border-hover)}