:root{--teal: #0f766e;--teal-dark: #115e59;--bg: #f8fafc;--card: #ffffff;--text: #1e293b;--muted: #64748b;--border: #e2e8f0;--danger: #dc2626;--done: #f0fdf4}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent}.app{max-width:540px;margin:0 auto;padding:0 16px 140px}header.top{display:flex;align-items:center;justify-content:space-between;padding:16px 0}header.top h1{font-size:20px;margin:0}h2{font-size:18px;margin:8px 0 12px}h3{font-size:15px;margin:16px 0 8px}.icon-btn{background:none;border:none;font-size:22px;cursor:pointer;padding:4px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;margin-bottom:12px}.card-done{background:var(--done)}.muted{color:var(--muted);font-size:14px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:8px}.row-end{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}.btn{background:var(--teal);color:#fff;border:none;border-radius:10px;padding:10px 16px;font-size:15px;cursor:pointer}.btn:active{background:var(--teal-dark)}.btn-outline{background:none;color:var(--teal);border:1px solid var(--teal);border-radius:10px;padding:9px 14px;font-size:15px;cursor:pointer}.btn-small{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:6px 12px;font-size:14px;cursor:pointer}.btn-small.danger{color:var(--danger);border-color:var(--danger)}.btn-block{display:block;width:100%;margin-top:12px;text-align:center}.tabs{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--card);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}.tabs button{flex:1;background:none;border:none;padding:12px 0;font-size:14px;color:var(--muted);cursor:pointer}.tabs button.active{color:var(--teal);font-weight:600}.subtabs{display:flex;gap:8px;margin-bottom:12px}.subtabs button{flex:1;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:8px 0;font-size:14px;color:var(--muted);cursor:pointer}.subtabs button.active{color:#fff;background:var(--teal);border-color:var(--teal)}.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.chip{display:inline-flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:6px 12px;font-size:14px;cursor:pointer}.chip-on{border-color:var(--teal);background:#ccfbf1}.dot{display:inline-block;width:12px;height:12px;border-radius:50%;vertical-align:middle}.stepper{display:flex;align-items:center;gap:12px;margin:8px 0}.stepper label{width:52px;font-size:14px;color:var(--muted)}.stepper-value{min-width:40px;text-align:center;font-size:18px;font-weight:700}.set-list{list-style:none;padding:0;margin:8px 0 0;font-size:14px;color:var(--muted)}.set-list li{padding:4px 0;border-bottom:1px dashed var(--border)}.rest-timer{position:fixed;bottom:calc(48px + env(safe-area-inset-bottom));left:0;right:0;max-width:540px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;background:var(--teal);color:#fff;padding:12px 16px;font-size:16px}.rest-timer .btn-small{background:#fff3;border:none;color:#fff}.chart{width:100%;height:auto;display:block}.chart-line{fill:none;stroke:#0d9488;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}.chart-dot{fill:#0d9488;stroke:var(--card);stroke-width:2}.chart-dot-on{fill:var(--teal-dark)}.chart-grid{stroke:var(--border);stroke-width:1}.chart-tick{fill:var(--muted);font-size:10px}.chart-label{fill:var(--text);font-size:11px;font-weight:600}.data-table summary{cursor:pointer;font-size:14px}.icon-btn.danger{color:var(--danger);font-size:14px;padding:4px 8px}.add-row{display:flex;gap:8px;flex-wrap:wrap}.add-row input{flex:1;min-width:100px}input,select{border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:15px;background:var(--card);color:var(--text)}input[type=color]{padding:2px;min-width:44px;flex:0}input[type=number]{max-width:80px}select{width:100%;margin-bottom:8px}