:root{color-scheme:dark;--bg: #101114;--surface: #1b1d20;--surface-strong: #25282d;--line: #363a40;--text: #f6f7ef;--muted: #b9c0b6;--accent: #a7f432;--accent-text: #11130f;--amber: #ffbe0b;--danger: #ff6868;--focus: #71c7ff}*{box-sizing:border-box}html{min-height:100%;background:var(--bg)}body{min-height:100%;margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{touch-action:manipulation}a{color:inherit}h1,h2,p{margin:0}h1{font-size:2rem;line-height:1.08;letter-spacing:0}h2{font-size:1.25rem;line-height:1.18;letter-spacing:0}.app-shell{min-height:100dvh;padding:0 16px calc(92px + env(safe-area-inset-bottom))}.app-header{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;height:calc(66px + env(safe-area-inset-top));margin:0 -16px;padding:env(safe-area-inset-top) 16px 0;background:color-mix(in srgb,var(--bg) 92%,transparent);border-bottom:1px solid rgba(255,255,255,.06);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.brand{display:inline-flex;align-items:center;gap:10px;min-height:48px;color:var(--text);font-weight:800;text-decoration:none}.brand img{display:block;border-radius:8px}.header-mark{color:var(--accent)}.page{width:min(100%,720px);margin:0 auto;padding:22px 0 0}.stack{display:grid;gap:16px}.hero-panel,.panel,.form-section,.page-title-row,.empty-state{border:1px solid var(--line);border-radius:8px;background:var(--surface)}.hero-panel{display:grid;gap:16px;padding:20px}.panel,.form-section,.empty-state{padding:18px}.page-title-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px}.eyebrow{color:var(--accent);font-size:.82rem;font-weight:800;text-transform:uppercase}.muted{color:var(--muted);line-height:1.45}.badge-row{display:flex;flex-wrap:wrap;gap:8px}.badge,.sync-pill{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 10px;border:0;border-radius:8px;background:var(--surface-strong);color:var(--text);font-size:.88rem;font-weight:700}.info-badge{cursor:pointer}.info-badge:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.primary-action,.secondary-action,.control-button,.icon-button,.difficulty{border:0;border-radius:8px;cursor:pointer}.primary-action{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:66px;padding:0 18px;background:var(--accent);color:var(--accent-text);font-size:1.12rem;font-weight:900}.primary-action:disabled{cursor:wait;opacity:.68}.secondary-action{display:inline-flex;align-items:center;justify-content:center;gap:9px;width:100%;min-height:56px;padding:0 16px;background:var(--surface-strong);color:var(--text);font-weight:900}.secondary-action:disabled{cursor:wait;opacity:.58}.secondary-action.danger{background:var(--danger);color:#170c0c}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;flex:0 0 48px;background:var(--surface-strong);color:var(--text)}.summary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.metric{display:grid;align-content:center;min-height:86px;padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.metric-wide{grid-column:1 / -1}.metric-label,.field-label{display:block;margin-bottom:8px;color:var(--muted);font-size:.86rem;font-weight:700}.metric strong{font-size:1.45rem;line-height:1;font-variant-numeric:tabular-nums}.bottom-nav{position:fixed;right:0;bottom:0;left:0;z-index:10;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;min-height:calc(76px + env(safe-area-inset-bottom));padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:#101114f2;border-top:1px solid rgba(255,255,255,.08);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.nav-item{display:grid;place-items:center;gap:4px;min-width:0;min-height:58px;border-radius:8px;color:var(--muted);font-size:.78rem;font-weight:800;text-decoration:none}.nav-item.active{background:var(--surface-strong);color:var(--accent)}.workout-screen{--phase-color: var(--surface-strong);position:relative;min-height:100dvh;display:grid;grid-template-rows:auto 1fr auto auto;gap:20px;overflow:hidden;padding:calc(18px + env(safe-area-inset-top)) 18px calc(20px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--bg) 90%,var(--phase-color));color:var(--text);transition:background .26s ease}.phase-warmup{--phase-color: var(--surface-strong)}.phase-run{--phase-color: var(--accent)}.phase-walk{--phase-color: var(--amber)}.phase-cooldown{--phase-color: var(--focus)}.phase-done{--phase-color: var(--accent)}.workout-topline{display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:.92rem;font-weight:800}.workout-topline span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.timer-stage{display:grid;place-items:center;align-content:center;gap:12px;min-height:0;text-align:center;animation:timer-stage-enter .42s ease-out}.phase-transition{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;display:grid;place-items:center;padding:24px;pointer-events:none;animation:phase-transition-flash .95s ease-out both}.phase-transition span{display:inline-flex;align-items:center;justify-content:center;max-width:min(100%,420px);min-height:78px;padding:0 28px;border:1px solid color-mix(in srgb,var(--phase-color) 46%,var(--line));border-radius:8px;background:color-mix(in srgb,var(--surface) 78%,var(--phase-color));color:var(--text);font-size:2.4rem;font-weight:950;letter-spacing:0;line-height:1;text-align:center;white-space:nowrap;box-shadow:0 20px 52px #00000047}.phase-name{font-size:2.25rem;font-weight:950;letter-spacing:0}.timer-value{font-size:5rem;line-height:1;font-weight:950;letter-spacing:0;font-variant-numeric:tabular-nums}.repeat-line{min-height:30px;color:var(--muted);font-size:1.1rem;font-weight:800}.phase-run .phase-name,.phase-run .timer-value{color:var(--accent)}.phase-walk .phase-name,.phase-walk .timer-value{color:var(--amber)}.phase-cooldown .phase-name,.phase-cooldown .timer-value{color:var(--focus)}.phase-done .phase-name,.phase-done .timer-value{color:var(--accent)}.progress-track{width:100%;height:10px;overflow:hidden;border-radius:8px;background:var(--surface-strong)}.progress-fill{height:100%;border-radius:8px;background:var(--accent);transition:width .18s linear}.timer-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.timer-meta div{display:grid;gap:6px;padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.timer-meta span{color:var(--muted);font-size:.82rem;font-weight:800}.timer-meta strong{font-size:1.2rem;font-variant-numeric:tabular-nums}.workout-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.control-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:72px;padding:0 12px;background:var(--surface-strong);color:var(--text);font-size:1.06rem;font-weight:900}.control-button.finish{background:var(--danger);color:#170c0c}.workout-loading{align-self:center;justify-self:center;color:var(--muted);font-weight:800}.form-section,.form-grid,.section-heading{display:grid;gap:12px}.two-column{grid-template-columns:repeat(2,minmax(0,1fr))}input,select,textarea{width:100%;min-height:54px;border:1px solid var(--line);border-radius:8px;background:var(--surface-strong);color:var(--text);padding:12px;outline:none}textarea{min-height:116px;resize:vertical}input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.difficulty-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.difficulty{min-height:52px;background:var(--surface-strong);color:var(--text);font-weight:900}.difficulty.active{background:var(--accent);color:var(--accent-text)}.list{display:grid;gap:10px}.session-row{position:relative;display:grid;gap:10px;padding:14px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.session-row-main{display:grid;gap:4px;padding-right:86px}.session-row-main span,.session-stats{color:var(--muted)}.session-stats{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:.88rem;font-weight:700}.sync-pill{position:absolute;top:12px;right:12px;min-height:28px;font-size:.76rem}.sync-pill.synced{background:#a7f4322e;color:var(--accent)}.sync-pill.pending,.sync-pill.failed{background:#ffbe0b2e;color:var(--amber)}.empty-state{display:grid;place-items:center;gap:14px;min-height:180px;color:var(--muted);text-align:center}.inline-link{color:var(--accent);font-weight:900}.loader{width:36px;height:36px;border:4px solid var(--surface-strong);border-top-color:var(--accent);border-radius:999px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes timer-stage-enter{0%{opacity:.62;transform:translateY(10px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes phase-transition-flash{0%{opacity:0;transform:translateY(16px) scale(.96)}18%{opacity:1;transform:translateY(0) scale(1)}70%{opacity:.96;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-18px) scale(1.02)}}@media(prefers-reduced-motion:reduce){.workout-screen{transition:none}.timer-stage,.phase-transition{animation:none}.phase-transition{display:none}}@media(min-width:720px){.app-shell{padding-right:24px;padding-left:24px}.app-header{margin-right:-24px;margin-left:-24px;padding-right:24px;padding-left:24px}.workout-screen{padding-right:28px;padding-left:28px}}