:root{--bg: #f7f8f7;--surface: #ffffff;--text: #17211f;--muted: #5b6b67;--line: #d9e0de;--accent: #0f766e;--accent-text: #ffffff;--health: #e0f0ff;--derived: #efe6ff;--err: #b42318;--ok: #067647;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #0e1513;--surface: #17211f;--text: #e8efed;--muted: #93a5a0;--line: #2b3a37;--accent: #2dd4bf;--accent-text: #04201c;--health: #12304a;--derived: #2b2147;--err: #ff8a80;--ok: #5bd58f}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.4 system-ui,-apple-system,Segoe UI,sans-serif;-webkit-text-size-adjust:100%}main{max-width:34rem;margin:0 auto;padding:1rem 1rem calc(5rem + env(safe-area-inset-bottom))}main.wide{max-width:none;padding-inline:.5rem}h1{font-size:1.5rem;margin:.5rem 0}h2{font-size:1.05rem;margin:1.5rem 0 .25rem}a{color:var(--accent)}.muted,.hint{color:var(--muted);font-size:.875rem}.hint{margin:.25rem 0}.center{text-align:center}.error{color:var(--err)}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap}button,input{font:inherit;color:inherit}button{min-height:44px;padding:0 1rem;border-radius:10px;border:1px solid var(--line);background:var(--surface);cursor:pointer}button.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent);font-weight:600}button.big{min-height:52px;width:100%;font-size:1.1rem}button:disabled{opacity:.6;cursor:default}input{min-height:44px;padding:0 .75rem;border-radius:10px;border:1px solid var(--line);background:var(--surface);width:100%}:focus-visible{outline:3px solid var(--accent);outline-offset:1px}.nav{display:flex;gap:.25rem;padding:.5rem .75rem;padding-top:calc(.5rem + env(safe-area-inset-top));background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.nav a{padding:.5rem .75rem;border-radius:8px;text-decoration:none;color:var(--muted);font-weight:500}.nav a.active{background:var(--accent);color:var(--accent-text)}.login{padding-top:15vh;display:grid;gap:.75rem}.login form{display:grid;gap:.75rem}.checkin{display:grid;gap:1rem}.field{border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:.75rem;margin:0}.field legend{font-weight:600;padding:0 .25rem}.chips{display:grid;grid-template-columns:repeat(6,1fr);gap:.4rem;margin-bottom:.5rem}.chip{padding:0;min-height:48px;font-size:1.1rem}.chip.on{background:var(--accent);color:var(--accent-text);border-color:var(--accent);font-weight:700}.readout{text-align:center}.stepper{display:grid;grid-template-columns:52px 1fr 52px 52px;gap:.4rem}.stepper input{text-align:center;font-size:1.25rem;min-height:52px}.step{min-height:52px;padding:0;font-size:1.4rem}.step.half{font-size:1rem}.date input{width:auto;min-height:40px}.submitbar{position:sticky;bottom:0;background:linear-gradient(transparent,var(--bg) 25%);padding:1rem 0 calc(.5rem + env(safe-area-inset-bottom))}.gridpage .status{font-size:.9rem;font-weight:600}.status.saving{color:var(--muted)}.status.saved{color:var(--ok)}.status.error{color:var(--err)}.gridwrap{overflow:auto;max-height:72vh;border:1px solid var(--line);border-radius:10px;background:var(--surface);-webkit-overflow-scrolling:touch}.grid{border-collapse:separate;border-spacing:0;font-size:.9rem}.grid th,.grid td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:0}.grid thead th{position:sticky;top:0;z-index:2;background:var(--surface);padding:.5rem .4rem;font-size:.75rem;white-space:nowrap;text-align:center}.grid .date{position:sticky;left:0;z-index:1;background:var(--surface);padding:0 .5rem;min-width:4.2rem;text-align:left;font-weight:600}.grid thead .date{z-index:3}.yr{display:block;font-size:.65rem;color:var(--muted);font-weight:400}.cell input{border:0;border-radius:0;background:transparent;min-height:44px;width:4.6rem;padding:0 .4rem;text-align:right}.cell.src-health{background:var(--health)}.cell.src-derived{background:var(--derived)}.cell.override input{box-shadow:inset 0 -2px 0 0 var(--accent)}.cell.saving{opacity:.7}.cell.err input,.cell.invalid input{box-shadow:inset 0 0 0 2px var(--err)}.cell input::placeholder{color:var(--muted);opacity:.7;font-style:italic}.more{margin-top:.75rem}.more input{width:auto}