:root{--bg: #0b0f14;--bg2: #121821;--card: #161e29;--card2: #1c2635;--line: #24303f;--text: #eef3f8;--dim: #8b98a8;--accent: #39e58c;--accent-dim: #1d7a4c;--warn: #ffb454;--danger: #ff6b6b;--blue: #5ab8ff;--radius: 16px}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,SF Pro Text,Segoe UI,Roboto,sans-serif;overscroll-behavior:none;-webkit-user-select:none;user-select:none}#root{height:100%}.app{display:flex;flex-direction:column;height:100dvh;max-width:520px;margin:0 auto}.screen{flex:1;overflow-y:auto;padding:calc(16px + env(safe-area-inset-top)) 16px calc(84px + env(safe-area-inset-bottom))}.screen.no-nav,.overlay{padding-bottom:calc(24px + env(safe-area-inset-bottom))}h1{font-size:28px;font-weight:800;letter-spacing:-.5px}h2{font-size:20px;font-weight:700;margin-bottom:10px}h3{font-size:15px;font-weight:700;color:var(--dim);text-transform:uppercase;letter-spacing:.6px}.dim{color:var(--dim)}.small{font-size:13px}.big-num{font-size:44px;font-weight:800;letter-spacing:-1px;line-height:1;font-variant-numeric:tabular-nums}.accent{color:var(--accent)}.warn{color:var(--warn)}.danger{color:var(--danger)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px}.card.tight{padding:12px 14px}.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;border:none;border-radius:14px;cursor:pointer;font-family:inherit;font-weight:800;letter-spacing:.3px;background:var(--accent);color:#06130c;font-size:18px;padding:18px;transition:transform .06s ease,opacity .15s}.btn:active{transform:scale(.97)}.btn.secondary{background:var(--card2);color:var(--text);border:1px solid var(--line);font-weight:600}.btn.ghost{background:transparent;color:var(--dim);border:1px solid var(--line);font-weight:600}.btn.danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn.sm{font-size:15px;padding:12px;border-radius:12px}.btn:disabled{opacity:.4}.row{display:flex;gap:10px}.row>*{flex:1}.spread{display:flex;justify-content:space-between;align-items:center}.nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:520px;display:flex;background:#0d1219f5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);z-index:40}.nav button{flex:1;background:none;border:none;color:var(--dim);cursor:pointer;font-family:inherit;font-size:10px;font-weight:700;letter-spacing:.4px;padding:10px 0 12px;display:flex;flex-direction:column;align-items:center;gap:4px}.nav button.on{color:var(--accent)}.nav svg{width:22px;height:22px}.stepper{display:flex;align-items:center;gap:10px}.stepper button{width:58px;height:58px;border-radius:16px;border:1px solid var(--line);background:var(--card2);color:var(--text);font-size:26px;font-weight:700;cursor:pointer;font-family:inherit;flex-shrink:0}.stepper button:active{background:var(--line)}.stepper .val{flex:1;text-align:center}.stepper .val .n{font-size:36px;font-weight:800;font-variant-numeric:tabular-nums}.stepper .val .u{font-size:13px;color:var(--dim);font-weight:600}.diff-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.diff-grid button{padding:14px 6px;border-radius:12px;border:1px solid var(--line);background:var(--card2);color:var(--text);font-family:inherit;font-weight:700;font-size:14px;cursor:pointer}.diff-grid button.on{border-color:var(--accent);background:#39e58c1f;color:var(--accent)}.diff-grid button.on.bad{border-color:var(--danger);background:#ff6b6b1a;color:var(--danger)}.chip{display:inline-flex;align-items:center;gap:6px;background:var(--card2);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600}.chip.green{color:var(--accent);border-color:var(--accent-dim)}.chip.yellow{color:var(--warn)}.progressbar{height:8px;background:var(--card2);border-radius:999px;overflow:hidden}.progressbar>div{height:100%;width:100%;background:var(--accent);border-radius:999px;transform-origin:left;transition:transform .4s ease}.topbar{display:flex;align-items:center;gap:12px;margin-bottom:14px}.topbar .bar{flex:1}.muscle-fill-p{fill:var(--danger);opacity:.85}.muscle-fill-s{fill:var(--warn);opacity:.55}.muscle-base{fill:#2a3546}.list-item{display:flex;justify-content:space-between;align-items:center;padding:14px 4px;border-bottom:1px solid var(--line);cursor:pointer}.list-item:last-child{border-bottom:none}input,select,textarea{width:100%;background:var(--card2);color:var(--text);border:1px solid var(--line);border-radius:12px;padding:13px 14px;font-family:inherit;font-size:16px}label.f{display:block;font-size:13px;color:var(--dim);font-weight:600;margin:12px 0 6px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#05080ceb;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}@keyframes fadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.fade-up{animation:fadeUp .25s ease both}@keyframes pulse{0%,to{opacity:1}50%{opacity:.55}}.pulse{animation:pulse 1.2s ease-in-out infinite}