:root{--bg:#faf6f1;--surface:#fff;--text:#2b2420;--muted:#6e625a;--accent:#b5486a;--accent-text:#fff;--border:#e4d9cf;--soft:#f3e8ee;--warn:#a35a00;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:18px;line-height:1.45}:root[data-theme=dark]{--bg:#17130f;--surface:#241e19;--text:#f1e9e2;--muted:#b5a79c;--accent:#e3829f;--accent-text:#2a1019;--border:#3b322b;--soft:#33242b;--warn:#f0b35c}@media (prefers-color-scheme:dark){:root[data-theme=auto]{--bg:#17130f;--surface:#241e19;--text:#f1e9e2;--muted:#b5a79c;--accent:#e3829f;--accent-text:#2a1019;--border:#3b322b;--soft:#33242b;--warn:#f0b35c}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}button,input{font:inherit;color:inherit}button{touch-action:manipulation;cursor:pointer}h1,h2,h3,p{margin:0}.app{max-width:480px;padding:12px 14px calc(96px + env(safe-area-inset-bottom));flex-direction:column;gap:14px;margin:0 auto;display:flex}.header{flex-direction:column;gap:8px;display:flex}.header__top{justify-content:space-between;align-items:center;gap:8px;display:flex}.header h1{font-size:1.5rem}.header__sub,.hint,small,.eyebrow{color:var(--muted);font-size:.85rem}.warn{color:var(--warn);font-size:.9rem}.progress{align-items:center;gap:10px;display:flex}.progress__track{background:var(--border);border-radius:7px;flex:1;height:14px;overflow:hidden}.progress__fill{background:var(--accent);height:100%;transition:width .2s}.progress__label{text-align:right;min-width:3ch;font-weight:700}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;flex-direction:column;gap:14px;padding:16px;display:flex}.card h2{font-size:1.4rem}.card h3{font-size:1.1rem}.lead{font-size:1.05rem}.btn{border:2px solid var(--border);background:var(--surface);border-radius:14px;min-height:56px;padding:0 18px;font-weight:600}.btn:disabled{opacity:.45;cursor:default}.btn[aria-pressed=true]{border-color:var(--accent);background:var(--soft)}.btn--primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.btn--small{min-height:44px;padding:0 12px;font-size:.85rem}.btn--round{width:56px;padding:0;font-size:1.6rem}.btn--big{flex:1;min-height:104px;font-size:2.4rem}fieldset{border:0;flex-direction:column;gap:8px;margin:0;padding:0;display:flex}legend{margin-bottom:4px;padding:0;font-size:1.1rem;font-weight:700}.chips{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.chip{border:2px solid var(--border);background:var(--surface);border-radius:14px;min-height:56px;font-size:1.2rem;font-weight:700}.chip[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.gauge{flex-direction:column;gap:14px;display:flex}.field{flex-direction:column;gap:4px;display:flex}.field label{font-weight:600}.field__row{gap:10px;display:flex}.field input{border:2px solid var(--border);background:var(--bg);text-align:center;border-radius:14px;flex:1;min-width:0;min-height:56px;font-size:1.4rem;font-weight:700}.calc{background:var(--soft);border-radius:12px;flex-direction:column;gap:6px;padding:12px;font-size:.95rem;display:flex}.calc span{color:var(--muted)}.calc__formula{overflow-wrap:anywhere;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.9rem}.steps{justify-content:space-between;gap:8px;display:flex}.steps__dot{border:2px solid var(--border);background:var(--surface);border-radius:14px;flex:1;min-height:52px;font-weight:700}.steps__dot[data-done=true]{background:var(--soft)}.steps__dot[data-here=true]{border-color:var(--accent)}.steps__dot[aria-current=step]{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.here{color:var(--accent);font-weight:700}.instructions{flex-direction:column;gap:6px;margin:0;padding-left:1.2em;display:flex}.video{flex-direction:column;gap:8px;margin:0;display:flex}.video__frame{aspect-ratio:16/9;border:2px dashed var(--border);background:var(--soft);border-radius:12px;place-items:center;display:grid}.video__play{color:var(--accent);font-size:2.4rem}.video figcaption{flex-direction:column;font-size:.9rem;display:flex}.counter{text-align:center;flex-direction:column;align-items:stretch;gap:10px;display:flex}.counter__value{justify-content:center;align-items:baseline;gap:10px;display:flex}.counter__number{font-size:4.5rem;font-weight:800;line-height:1}.counter__of{color:var(--muted);font-size:1.2rem}.counter__now{font-weight:600}.counter__buttons{gap:12px;display:flex}.action{background:var(--soft);border-radius:12px;padding:10px 12px;font-weight:600}.plan summary{cursor:pointer;align-items:center;min-height:44px;font-weight:600;display:flex}.plan ol{flex-direction:column;gap:4px;margin:0;padding-left:0;font-size:.9rem;list-style:none;display:flex}.plan li[aria-current=step]{background:var(--soft);border-radius:8px;padding:4px 6px}.actions,.pager{gap:10px;display:flex}.actions .btn,.pager .btn{flex:1}.tabs{max-width:480px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid var(--border);gap:10px;margin:0 auto;display:flex;position:fixed;bottom:0;left:0;right:0}.tabs .btn:not(.btn--small){flex:1}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}