:root{--bg: #0f172a;--surface: #1e293b;--surface-2: #334155;--text: #f1f5f9;--text-dim: #94a3b8;--accent: #38bdf8;--accent-strong: #0ea5e9;--border: #334155;--result-bg: #0b1220;color-scheme:dark}:root[data-theme=light]{--bg: #f1f5f9;--surface: #ffffff;--surface-2: #e2e8f0;--text: #0f172a;--text-dim: #64748b;--accent: #0284c7;--accent-strong: #0369a1;--border: #cbd5e1;--result-bg: #f8fafc;color-scheme:light}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,system-ui,sans-serif;-webkit-tap-highlight-color:transparent}#root{max-width:560px;margin:0 auto;padding:env(safe-area-inset-top) 16px env(safe-area-inset-bottom)}.topbar{display:flex;align-items:center;gap:12px;padding:18px 0 8px;position:sticky;top:0;background:var(--bg);z-index:10}.topbar h1{font-size:1.3rem;margin:0;flex:1}.brand{font-weight:800;letter-spacing:-.02em;background:linear-gradient(90deg,var(--accent),var(--accent-strong));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.theme-toggle,.back{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:12px;width:42px;height:42px;font-size:1.2rem;cursor:pointer;display:grid;place-items:center}.back{font-size:1.6rem;line-height:1}.home-sub{color:var(--text-dim);margin:4px 0 18px;font-size:.95rem}.card-list{display:flex;flex-direction:column;gap:12px}.card{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:16px;cursor:pointer;color:var(--text);transition:transform .06s ease,border-color .15s ease}.card:active{transform:scale(.985);border-color:var(--accent)}.card-icon{font-size:1.8rem;line-height:1}.card-text{display:flex;flex-direction:column;gap:3px;flex:1;min-width:0}.card-title{font-weight:700;font-size:1.05rem}.card-desc{color:var(--text-dim);font-size:.85rem;line-height:1.3}.card-chevron{color:var(--text-dim);font-size:1.6rem}.home-footer{text-align:center;color:var(--text-dim);font-size:.8rem;margin:28px 0 16px}.view-desc{color:var(--text-dim);font-size:.9rem;margin:8px 0 20px}.inputs{display:flex;flex-direction:column;gap:14px}.field-row{display:flex;gap:12px}.field-row .field{flex:1;min-width:0}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:.9rem;font-weight:600}.field-unit{color:var(--text-dim);font-weight:400}.field input,.field select{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:12px;padding:14px;font-size:1.05rem;width:100%;outline:none}.field input:focus,.field select:focus{border-color:var(--accent)}.results{margin-top:22px;background:var(--result-bg);border:1px solid var(--border);border-radius:16px;padding:6px 16px}.result{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}.result:last-child{border-bottom:none}.result-label{color:var(--text-dim);font-size:.92rem}.result-value{font-size:1.35rem;font-weight:700;font-variant-numeric:tabular-nums;text-align:right}.result-unit{color:var(--accent);font-size:.95rem;font-weight:600}.result-error{color:#f87171;padding:12px 0}.update-toast{position:fixed;left:50%;transform:translate(-50%);bottom:calc(16px + env(safe-area-inset-bottom));z-index:100;display:flex;align-items:center;gap:14px;max-width:calc(100% - 32px);background:var(--surface);border:1px solid var(--accent);border-radius:14px;padding:12px 14px;box-shadow:0 8px 28px #00000073}.update-text{font-size:.92rem;font-weight:600}.update-btn{flex:none;background:var(--accent-strong);color:#fff;border:none;border-radius:10px;padding:9px 16px;font-size:.92rem;font-weight:700;cursor:pointer}.update-btn:active{filter:brightness(.92)}.result-branch{display:flex;align-items:center;gap:6px;padding:16px 0}.branch-nom{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}.branch-nom .result-value{text-align:left}.branch-fork{width:40px;height:64px;flex:none}.branch-fork path{fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round}.branch-legs{display:flex;flex-direction:column;justify-content:space-between;align-self:stretch;gap:14px;min-width:110px}.leg{display:flex;align-items:baseline;justify-content:flex-end;gap:8px}.leg-tag{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:2px 7px;border-radius:999px}.leg-max .leg-tag{color:#fca5a5;background:#f8717124}.leg-min .leg-tag{color:#93c5fd;background:#38bdf824}.leg-val{font-size:1.1rem;font-weight:700;font-variant-numeric:tabular-nums}