:root{--bg: #0f1115;--surface: #171a21;--surface-2: #1f232c;--line: #2b303b;--text: #e8ecf3;--muted: #929aab;--accent: #4f8cff;--good: #35c46b;--fail: #ff6b5e;--radius: 14px;color-scheme:dark}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%}body{background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overscroll-behavior-y:contain}#app{min-height:100%;display:flex;flex-direction:column;max-width:560px;margin:0 auto;padding-bottom:env(safe-area-inset-bottom)}header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(env(safe-area-inset-top) + 14px) 16px 14px;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}header h1{margin:0;font-size:18px;font-weight:650;letter-spacing:-.01em}main{flex:1;padding:16px;display:flex;flex-direction:column;gap:14px}nav{position:sticky;bottom:0;display:grid;grid-template-columns:repeat(3,1fr);background:color-mix(in srgb,var(--bg) 92%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}nav button{appearance:none;border:0;background:none;color:var(--muted);font:inherit;font-size:13px;padding:12px 4px 14px;cursor:pointer}nav button[aria-current=page]{color:var(--accent);font-weight:600}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px}.muted{color:var(--muted)}.small{font-size:13px}.row{display:flex;align-items:center;gap:10px}.between{justify-content:space-between}.empty{text-align:center;color:var(--muted);padding:40px 20px}button.btn{appearance:none;font:inherit;font-weight:600;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);color:var(--text);padding:11px 14px;cursor:pointer;min-height:44px}button.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.btn.ghost{background:transparent}button.btn.danger{color:var(--fail)}button.btn:active{transform:translateY(1px)}button.btn:disabled{opacity:.45;cursor:default}.btn-row{display:flex;gap:10px}.btn-row .btn{flex:1}.btn-row.wrap{flex-wrap:wrap}.btn-row.wrap .btn.wide{flex-basis:100%}label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}input[type=text],input[type=number],select{width:100%;font:inherit;font-size:16px;padding:11px 12px;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);color:var(--text)}select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 21px,calc(100% - 13px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}input:focus{outline:2px solid var(--accent);outline-offset:-1px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.field{margin-bottom:12px}.rep-stage{display:flex;flex-direction:column;align-items:center;gap:16px;padding:8px 0}.rep-meta{text-align:center}.rep-meta .exercise-name{font-size:22px;font-weight:650;letter-spacing:-.01em}.weight-row{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:10px}.weight-step{width:44px;min-height:40px;padding:0;font-size:20px;flex:0 0 auto}.weight-value{min-height:40px;padding:0 16px;min-width:110px;font-variant-numeric:tabular-nums;flex:0 0 auto}.rep-stage.resting .weight-row{margin-top:6px}.small-link{min-height:32px;padding:0 12px;font-size:13px;font-weight:500;color:var(--muted);border-color:transparent}.rep-stage.resting .rep-meta .exercise-name{font-size:18px}.set-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;width:100%}.set-btn{appearance:none;flex:1 1 0;min-width:56px;max-width:92px;aspect-ratio:3 / 4;border-radius:14px;border:2px solid var(--line);background:var(--surface-2);color:var(--text);font:inherit;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;transition:transform .08s ease,border-color .15s ease}.set-btn:active{transform:scale(.95)}.set-btn .set-reps{font-size:30px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}.set-btn .set-idx{font-size:11px;color:var(--muted);letter-spacing:.06em}.set-btn.next{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}.set-btn.next .set-reps{color:var(--accent)}.set-btn.good{border-color:var(--good);background:color-mix(in srgb,var(--good) 16%,var(--surface-2))}.set-btn.good .set-reps{color:var(--good)}.set-btn.fail{border-color:var(--fail);background:color-mix(in srgb,var(--fail) 14%,var(--surface-2))}.set-btn.fail .set-reps{color:var(--fail)}.set-btn.empty .set-reps{color:var(--muted);opacity:.5}.set-btn.seconds .set-reps{font-size:22px}.set-btn.timing{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 18%,var(--surface-2));animation:hold-pulse 1.6s ease-in-out infinite;position:relative;overflow:hidden}.set-btn.timing .set-reps{color:var(--accent);font-size:24px}.set-btn.timing .set-idx{font-size:9px;letter-spacing:.02em}.hold-bar{position:absolute;left:0;right:0;bottom:0;height:4px;background:color-mix(in srgb,var(--accent) 20%,transparent)}.hold-bar i{display:block;height:100%;background:var(--accent);transition:width .1s linear}@keyframes hold-pulse{0%,to{box-shadow:0 0 color-mix(in srgb,var(--accent) 45%,transparent)}50%{box-shadow:0 0 0 6px color-mix(in srgb,var(--accent) 0%,transparent)}}.set-btn:disabled{cursor:default;opacity:.55}#set-hint{text-align:center;min-height:20px}.pips{display:flex;gap:7px;flex-wrap:wrap;justify-content:center}.pip{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:650;background:var(--surface-2);border:1px solid var(--line);color:var(--muted);font-variant-numeric:tabular-nums}.pip.good{background:color-mix(in srgb,var(--good) 22%,transparent);border-color:var(--good);color:var(--good)}.pip.fail{background:color-mix(in srgb,var(--fail) 20%,transparent);border-color:var(--fail);color:var(--fail)}.pip.current{border-color:var(--accent);color:var(--accent)}.ladder{display:flex;flex-direction:column}.rung{display:grid;grid-template-columns:28px 1fr;gap:10px;position:relative;padding:0 0 14px}.rung:not(:last-child):before{content:"";position:absolute;left:13px;top:22px;bottom:-2px;width:2px;background:var(--line)}.rung.done:before{background:color-mix(in srgb,var(--good) 55%,var(--line))}.rung-marker{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:13px;background:var(--surface-2);border:2px solid var(--line);color:var(--muted);z-index:1}.rung.done .rung-marker{border-color:var(--good);color:var(--good)}.rung.current .rung-marker{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}.rung-body{padding-top:3px;min-width:0}.rung-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.rung-name{font-weight:600}.rung.ahead .rung-name,.rung.ahead .rung-target{color:var(--muted)}.rung.current .rung-name{color:var(--accent)}.rung-target{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}.rung-alts{font-style:italic;opacity:.75}.rung.jumpable{cursor:pointer;border-radius:10px;margin:0 -8px;padding-left:8px;padding-right:8px;transition:background .12s ease}.rung.jumpable:before{left:21px}.rung.jumpable:active{background:var(--surface-2)}@media(hover:hover){.rung.jumpable:hover{background:var(--surface)}}.timer{display:flex;flex-direction:column;align-items:center;gap:10px;padding:18px 14px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface)}.timer.good{border-color:color-mix(in srgb,var(--good) 55%,var(--line))}.timer.fail{border-color:color-mix(in srgb,var(--fail) 55%,var(--line))}.timer-value{font-size:46px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1}.timer.good .timer-value{color:var(--good)}.timer.fail .timer-value{color:var(--fail)}.timer-bar{width:100%;height:6px;border-radius:3px;background:var(--surface-2);overflow:hidden}.timer-bar i{display:block;height:100%;border-radius:3px;background:var(--accent);transition:width .1s linear}.timer.good .timer-bar i{background:var(--good)}.timer.fail .timer-bar i{background:var(--fail)}.timer-tag{font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}.list{display:flex;flex-direction:column;gap:10px}.item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:12px}.item .title{font-weight:600}.badge{font-size:11px;font-weight:700;padding:2px 7px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);color:var(--muted);letter-spacing:.03em}.icon-btn{appearance:none;border:0;background:none;color:var(--muted);font:inherit;font-size:20px;line-height:1;padding:8px;cursor:pointer;min-width:40px;min-height:40px}dialog{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--text);padding:18px;width:min(92vw,420px);max-height:86vh;overflow-y:auto;overscroll-behavior:contain}dialog .btn-row{position:sticky;bottom:-18px;background:var(--surface);padding:10px 0 0;margin-top:4px}dialog::backdrop{background:#0009}dialog h2{margin:0 0 14px;font-size:18px}.toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom) + 74px);transform:translate(-50%);background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:14px;z-index:100;animation:toast-in .18s ease}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,8px)}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}