:root{--bg:#f4faf9;--surface:#fff;--text:#0f1f1e;--muted:#53706d;--line:#d5e5e3;--accent:#0f9d8a;--accent-ink:#fff;--accent-soft:#d8f3ee;--danger:#c0392b;--ok:#0c7a6b;--nav-h:64px}:root[data-theme=dark]{--bg:#0f1f1e;--surface:#162b29;--text:#e8f4f2;--muted:#93b3af;--line:#25423f;--accent:#2dd4bf;--accent-ink:#062a26;--accent-soft:#1b3d39;--danger:#ff8a7a;--ok:#5eead4}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Inter,sans-serif}h1{margin:0 0 12px;font-size:1.6rem;line-height:1.2}h2{margin:0 0 8px;font-size:1.15rem}p{margin:0 0 10px}.muted{color:var(--muted)}.small{font-size:.875rem}.sr{position:absolute;left:-9999px}button,input,select{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:0;border-radius:12px;min-height:44px;padding:0 16px}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.primary{background:var(--accent);color:var(--accent-ink);font-weight:600}.primary.big{width:100%;min-height:54px;font-size:1.05rem}.ghost{color:var(--muted)}.danger{color:var(--danger);border:1px solid var(--danger)}input,select{border:1px solid var(--line);background:var(--surface);border-radius:12px;width:100%;min-height:48px;margin:4px 0 14px;padding:0 12px}label{font-size:.9rem;font-weight:600}.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;margin-bottom:14px;padding:18px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-bottom:4px;font-size:.75rem;font-weight:700}.ok{color:var(--ok);font-weight:600}.note{background:var(--accent-soft);border-color:#0000}.login{min-height:100%;padding:max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));place-items:center;display:grid}.narrow{width:100%;max-width:420px}.logo{background:var(--accent);width:56px;height:56px;box-shadow:0 0 0 10px var(--accent-soft);border-radius:16px;margin-bottom:14px}.shell{min-height:100%}.main{width:100%;max-width:760px;padding:max(20px, env(safe-area-inset-top)) 16px calc(var(--nav-h) + 28px + env(safe-area-inset-bottom));margin:0 auto}.nav{z-index:5;height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--surface);border-top:1px solid var(--line);display:flex;position:fixed;bottom:0;left:0;right:0}.nav .brand{display:none}.nav button{color:var(--muted);border-radius:0;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;font-size:.75rem;display:flex}.nav button.on{color:var(--accent);font-weight:700}.hero h2{font-size:1.35rem}.stats{grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:12px;margin-bottom:14px;display:grid}.stat{text-align:center;margin:0;padding:14px 8px}.stat strong{font-size:1.5rem;display:block}.stat span{color:var(--muted);font-size:.8rem}.actions{gap:10px;display:grid}.chart{align-items:flex-end;gap:8px;height:140px;padding-top:8px;display:flex}.chart .col{height:100%;color:var(--muted);flex-direction:column;flex:1;justify-content:flex-end;align-items:center;gap:6px;font-size:.75rem;display:flex}.chart i{background:var(--line);border-radius:8px;width:100%;max-width:36px;min-height:4px;display:block}.chart i.on{background:var(--accent)}@media (width>=768px){.main{padding:40px 32px}.shell{grid-template-columns:220px 1fr;display:grid}.nav{border-top:0;border-right:1px solid var(--line);flex-direction:column;justify-content:flex-start;gap:4px;height:100vh;padding:24px 12px;position:sticky;top:0}.nav .brand{align-items:center;gap:10px;margin:0 8px 20px;font-weight:700;display:flex}.nav .dot{background:var(--accent);border-radius:50%;width:14px;height:14px}.nav button{border-radius:12px;flex-direction:row;flex:none;justify-content:flex-start;gap:10px;padding:0 14px;font-size:1rem}.nav button.on{background:var(--accent-soft)}.primary.big{width:auto;min-width:240px;padding:0 28px}}@media (width>=1100px){.shell{grid-template-columns:260px 1fr}}.player{max-width:560px;min-height:100%;padding:max(12px, env(safe-area-inset-top)) 16px max(20px, env(safe-area-inset-bottom));flex-direction:column;margin:0 auto;display:flex}.player-top{justify-content:space-between;display:flex}.bar{background:var(--line);border-radius:6px;height:6px;margin:6px 0 18px;overflow:hidden}.bar i{background:var(--accent);height:100%;transition:width .2s linear;display:block}.player-body{flex-direction:column;flex:1;gap:6px;display:flex}.player-body.center{text-align:center;justify-content:center;align-items:center;gap:18px}.video-ph{aspect-ratio:16/9;background:linear-gradient(135deg, var(--accent-soft), var(--surface));border:1px dashed var(--accent);width:100%;max-height:38vh;color:var(--muted);border-radius:18px;place-items:center;margin-bottom:10px;font-size:.9rem;display:grid;position:relative;overflow:hidden}.video-ph span{position:absolute;bottom:10px}.pulse{background:var(--accent);opacity:.5;border-radius:50%;width:64px;height:64px;animation:2.4s ease-in-out infinite pulse}@keyframes pulse{50%{opacity:.2;transform:scale(1.4)}}.tips{color:var(--muted);margin:0 0 18px;padding-left:20px}.tips li{margin-bottom:6px}.block{color:var(--muted);margin:0;font-weight:600}.dial{aspect-ratio:1;place-items:center;width:min(72vw,320px);display:grid;position:relative}.dial svg{width:100%;height:100%;position:absolute;inset:0;transform:rotate(-90deg)}.dial .track{fill:none;stroke:var(--line);stroke-width:8px}.dial .arc{fill:none;stroke:var(--accent);stroke-width:8px;stroke-linecap:round}.orb{background:var(--accent-soft);border-radius:50%;transition-property:transform;transition-timing-function:ease-in-out;position:absolute;inset:14%}.orb.in{transform:scale(.62)}.orb.out{transform:scale(1)}.dial-text{flex-direction:column;display:flex;position:relative}.dial-text strong{font-size:4rem;line-height:1}.dial-text span{color:var(--accent);font-size:1.25rem;font-weight:700}.controls{flex-direction:column;align-items:center;gap:8px;width:100%;display:flex}.check{background:var(--accent);width:84px;height:84px;color:var(--accent-ink);border-radius:50%;place-items:center;font-size:2.6rem;display:grid}.seg{gap:8px;width:100%;display:flex}.seg button{border:1px solid var(--line);flex:1}.seg button.on{background:var(--accent-soft);border-color:var(--accent);font-weight:700}@media (prefers-reduced-motion:reduce){.orb,.pulse,.bar i{transition:none!important;animation:none!important}}.err{color:var(--danger);font-size:.9rem}.linkbtn{border-radius:12px;place-items:center;margin:10px 0;text-decoration:none;display:grid}.login .ghost{width:100%;margin-top:6px}.week-head{align-items:center;gap:10px;margin-bottom:8px;display:flex}.week-head h2{margin:0}.week-head .small{margin-left:auto}.chip{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:2px 10px;font-size:.75rem;font-weight:600}.sess{gap:8px;margin:0;padding:0;list-style:none;display:grid}.sess button{text-align:left;border:1px solid var(--line);align-items:center;gap:12px;width:100%;min-height:56px;padding:10px 12px;display:flex}.sess button.next{border-color:var(--accent);background:var(--accent-soft)}.sess button:disabled{opacity:.55;cursor:not-allowed}.sn{background:var(--bg);border:1px solid var(--line);border-radius:50%;flex:none;place-items:center;width:32px;height:32px;font-weight:700;display:grid}.st{flex-direction:column;flex:1;font-weight:600;display:flex}.st small{color:var(--muted);font-weight:400}.badge{color:var(--muted);white-space:nowrap;font-size:.8rem}.next .badge{color:var(--accent);font-weight:700}.linkcard{text-align:left;flex-direction:column;gap:4px;width:100%;min-height:64px;padding:14px 18px;display:flex}.article p{margin-bottom:14px}.back{padding-left:0}.bar.big{height:10px;margin:8px 0 0}.bar.big i{background:var(--accent)}.nav button{min-width:0;padding:0 2px}.nav button>span:last-child{text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}@media (width<=400px){.nav button{font-size:.7rem}}@media (width>=768px){.nav button{padding:0 14px}}