:root{--ink: #171717;--muted: #737373;--rule: #E5E5E5;--win: #15803D;--loss: #B91C1C;--warn: #B45309;--bg: #FFFFFF;--card: #FAFAFA;--tap-min: 44px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}body{padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.num{font-family:Fraunces,ui-serif,Georgia,serif;font-variant-numeric:tabular-nums}.serif{font-family:Fraunces,ui-serif,Georgia,serif}button,input,select,textarea{font-family:inherit;font-size:16px;color:inherit}button{cursor:pointer;border:none;background:none;padding:0;min-height:var(--tap-min);touch-action:manipulation}input,select,textarea{padding:12px;border:1px solid var(--rule);background:#fff;width:100%;min-height:var(--tap-min);border-radius:0;-webkit-appearance:none;-moz-appearance:none;appearance:none}input:focus,select:focus,textarea:focus{outline:2px solid var(--ink);outline-offset:-2px}.btn-primary{background:var(--ink);color:#fff;padding:14px 20px;font-size:15px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--tap-min)}.btn-primary:active{background:#333}.btn-primary:disabled{opacity:.35;cursor:not-allowed}.btn-ghost{border:1px solid var(--rule);background:transparent;padding:10px 14px;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:var(--tap-min)}.btn-ghost:active{background:#f0f0f0}.btn-ghost:disabled{color:#ccc;cursor:not-allowed}.btn-danger{background:var(--loss);color:#fff;padding:10px 14px;font-size:14px;min-height:var(--tap-min)}.section-label{font-family:Fraunces,ui-serif,Georgia,serif;font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.08em;margin:0 0 12px;text-transform:uppercase}label.field-label{font-size:13px;color:var(--muted);display:block;margin-bottom:6px;font-weight:500}.card{border:1px solid var(--rule);padding:16px;background:#fff}.row-hover:active{background:#fafafa}.tab-bar{display:flex;border-bottom:1px solid var(--rule);margin-bottom:24px;background:#fff;position:sticky;top:0;z-index:10}.tab{flex:1;padding:16px 12px;background:transparent;border:none;border-bottom:2px solid transparent;font-size:15px;font-weight:500;color:var(--muted);cursor:pointer;min-height:var(--tap-min)}.tab.active{color:var(--ink);border-bottom-color:var(--ink);font-weight:600}.tab:active{background:#f5f5f5}.app-container{padding:16px;max-width:1000px;margin:0 auto}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.grid-4{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:12px}@media (max-width: 640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.grid-2-mobile{grid-template-columns:1fr 1fr!important}.app-container{padding:12px}h1.page-title{font-size:24px!important}}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--ink);color:#fff;padding:12px 20px;font-size:14px;font-weight:500;z-index:1000;animation:toast-in .2s ease-out;box-shadow:0 4px 20px #0003}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%)}}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;padding:10px 4px;font-weight:500;color:var(--muted);font-size:12px}td{padding:12px 4px}tr{border-bottom:1px solid var(--rule)}.trade-card{border:1px solid var(--rule);padding:12px;margin-bottom:8px;background:#fff}.badge{display:inline-block;padding:3px 10px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.badge-long{background:#dcfce7;color:var(--win)}.badge-short{background:#fee2e2;color:var(--loss)}