/* Attendance: warm app shell. Tokens and contrast contract live in .tastemaker/style-lock.md */
:root{
  --bg:#fef5ef;--surface:#f4ebe5;--card:#fffaf6;--text:#211912;--muted:#6b5d52;--border:#e3dbd5;
  --primary:#a45d1c;--on-primary:#fff;--present:#147d6c;--absent:#b3261e;--on-fill:#fff;
  --tint:#f4d8c4;--shadow:0 1px 2px rgba(33,25,18,.06);
  --r-ctl:14px;--r-card:20px;
  --font:system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-round:ui-rounded,"SF Pro Rounded",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
@media(prefers-color-scheme:dark){:root{
  --bg:#0e0906;--surface:#19130f;--card:#19130f;--text:#fcefe6;--muted:#b8a99d;--border:#251f1b;
  --primary:#aa6323;--present:#2cb69e;--absent:#ff8a80;--on-fill:#0e0906;--tint:#3e2818;--shadow:none;
}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{color-scheme:light dark}
[hidden]{display:none!important}
body{margin:0;font:16px/1.45 var(--font);background:var(--bg);color:var(--text);padding-bottom:env(safe-area-inset-bottom)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--primary);outline-offset:2px}

/* header: large title, no solid bar */
header{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:8px;background:var(--bg);
  padding:calc(12px + env(safe-area-inset-top)) 16px 8px;max-width:640px;margin:0 auto}
header h1{flex:1;margin:0;font:700 1.9rem/1.15 var(--font-round);letter-spacing:-.01em;min-width:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#back{width:48px;height:48px;border-radius:50%;border:1px solid var(--border);background:var(--surface);
  display:grid;place-items:center;padding:0;margin-left:-4px}
#back svg{width:22px;height:22px}
#action{min-height:48px;padding:0 16px;border-radius:var(--r-ctl);border:0;background:var(--surface);
  color:var(--primary);font-weight:700}
main{max-width:640px;margin:0 auto;padding:8px 16px 132px}

/* surfaces */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow);
  margin-bottom:16px;overflow:hidden}
.sub{color:var(--muted);font-size:.9rem}
.row{display:flex;align-items:center;gap:14px;padding:14px 16px;width:100%;min-height:72px;text-align:left;
  background:none;border:0}
.row+.row{border-top:1px solid var(--border)}
.row .grow{flex:1;min-width:0}
.row .grow>div:first-child{font-weight:600;font-size:1.05rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chev{width:20px;height:20px;color:var(--muted);flex:none}
.avatar{width:44px;height:44px;border-radius:50%;flex:none;display:grid;place-items:center;background:var(--tint);
  color:var(--text);font:700 .95rem var(--font-round)}
.avatar.sq{border-radius:14px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;font-weight:600;color:var(--text);
  background:var(--surface);border-radius:999px;padding:4px 10px}
.chip i{width:8px;height:8px;border-radius:50%;background:var(--present)}
.chip.todo i{background:var(--muted)}

/* controls */
label{display:block;font-size:.9rem;font-weight:600;color:var(--muted);margin:16px 0 6px}
input,select,textarea{width:100%;min-height:54px;padding:14px 16px;font-size:1.05rem;background:var(--card);
  border:1px solid var(--border);border-radius:var(--r-ctl)}
input:focus,textarea:focus{outline:3px solid var(--primary);outline-offset:0;border-color:transparent}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:56px;padding:0 20px;border:0;
  border-radius:var(--r-ctl);background:var(--primary);color:var(--on-primary);font-size:1.05rem;font-weight:700;
  transition:transform .12s var(--ease),opacity .12s var(--ease)}
.btn.sec{background:var(--surface);color:var(--text);border:1px solid var(--border)}
.btn.danger{background:var(--absent);color:var(--on-fill)}
.btn.block{width:100%;margin-top:12px}
.btn:active,.seg button:active,.tab:active,.row:active,#back:active{transform:scale(.97)}
.btn svg{width:20px;height:20px}
.fab{position:fixed;right:16px;bottom:calc(20px + env(safe-area-inset-bottom));box-shadow:0 6px 18px rgba(33,25,18,.28);
  border-radius:999px;padding:0 24px;z-index:4}
.two{display:flex;gap:12px}.two>*{flex:1;min-width:0}
.two .btn{margin-top:0}
.bar{display:flex;gap:8px}

/* attendance */
.dates{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.dates .nav{width:52px;height:52px;border-radius:50%;border:1px solid var(--border);background:var(--surface);
  display:grid;place-items:center;padding:0;flex:none}
.dates .nav svg{width:22px;height:22px}
.datebtn{color:var(--text);font-size:1rem;position:relative;flex:1;min-height:52px;border-radius:var(--r-ctl);background:var(--surface);
  border:1px solid var(--border);display:flex;align-items:center;justify-content:center;gap:8px;font-weight:700}
.datebtn input{position:absolute;inset:0;opacity:0;width:100%;height:100%;min-height:0;cursor:pointer}
.datebtn:focus-within{outline:3px solid var(--primary);outline-offset:2px}
.summary{margin-bottom:12px}
.meter{display:flex;height:12px;border-radius:999px;background:var(--surface);overflow:hidden;border:1px solid var(--border)}
.meter b{display:block;height:100%}
.meter .p{background:var(--present)}.meter .a{background:var(--absent)}
.counts{display:flex;gap:16px;margin-top:10px;font-size:.95rem;flex-wrap:wrap}
.counts span{display:inline-flex;align-items:center;gap:6px;color:var(--muted)}
.counts strong{color:var(--text);font:700 1.1rem var(--font-round);font-variant-numeric:tabular-nums}
.counts i{width:10px;height:10px;border-radius:50%;background:var(--muted)}
.counts .p i{background:var(--present)}.counts .a i{background:var(--absent)}
.stu{display:flex;align-items:center;gap:12px;padding:10px 12px 10px 14px;min-height:76px}
.stu+.stu{border-top:1px solid var(--border)}
.stu .who{flex:1;min-width:0}
.stu .nm{display:block;font-weight:600;font-size:1.05rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.seg{display:flex;gap:8px;flex:none}
.seg button{width:56px;height:56px;border-radius:16px;border:2px solid var(--border);background:var(--bg);color:var(--muted);
  display:grid;place-items:center;padding:0;font:700 1.2rem var(--font-round);
  transition:transform .12s var(--ease),background-color .14s var(--ease),border-color .14s var(--ease),color .14s var(--ease)}
.seg button svg{width:26px;height:26px;display:none}
.seg button.on svg{display:block}.seg button.on span{display:none}
.seg button.on[data-s=P]{background:var(--present);border-color:var(--present);color:var(--on-fill)}
.seg button.on[data-s=A]{background:var(--absent);border-color:var(--absent);color:var(--on-fill)}

/* export */
.range{display:flex;gap:12px}.range>div{flex:1;min-width:0}
.pct{display:flex;align-items:center;gap:12px;padding:12px 16px}
.pct+.pct{border-top:1px solid var(--border)}
.pct .nm{flex:1;min-width:0;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pct .track{width:84px;height:10px;border-radius:999px;background:var(--surface);border:1px solid var(--border);overflow:hidden;flex:none}
.pct .track b{display:block;height:100%;background:var(--present)}
.pct .track.low b{background:var(--absent)}
.pct .v{width:3.4em;text-align:right;font:700 .95rem var(--font-round);font-variant-numeric:tabular-nums}

/* empty states */
.empty{text-align:center;padding:36px 16px 20px}
.empty svg{width:120px;height:96px;margin-bottom:12px}
.empty h2{margin:0 0 4px;font:700 1.2rem var(--font-round)}
.empty p{margin:0 auto 16px;max-width:28ch;color:var(--muted)}
.install{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:16px;margin-top:24px}
.install p{margin:0 0 4px}

/* tabs */
#tabs{position:fixed;left:0;right:0;bottom:0;z-index:6;background:var(--bg);border-top:1px solid var(--border);
  padding:8px 12px calc(8px + env(safe-area-inset-bottom))}
#tabs>div{display:flex;gap:8px;max-width:640px;margin:0 auto}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;min-height:56px;padding:6px 4px;border:0;
  border-radius:var(--r-ctl);background:none;color:var(--muted);font-size:.8rem;font-weight:700;transition:transform .12s var(--ease)}
.tab svg{width:24px;height:24px}
.tab.on{background:var(--tint);color:var(--text)}
.tab.on svg{color:var(--primary)}

#toast{position:fixed;left:50%;bottom:calc(96px + env(safe-area-inset-bottom));transform:translate(-50%,8px);background:var(--text);
  color:var(--bg);padding:12px 18px;border-radius:999px;font-weight:600;opacity:0;pointer-events:none;
  transition:opacity .18s var(--ease),transform .18s var(--ease);z-index:20}
#toast.show{opacity:1;transform:translate(-50%,0)}

/* entrance: list rows stagger in (transform + opacity only) */
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.enter .card>*,.enter .empty{animation:rise .18s var(--ease) both;animation-delay:calc(var(--i,0) * 18ms)}
@media(hover:hover){.row:hover{background:var(--surface)}.btn:hover{opacity:.92}.seg button:not(.on):hover{border-color:var(--muted)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

/* loaders and motion (transform and opacity only); spinners loop by design, so they sit outside the 300ms budget */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pop{0%{transform:scale(.7)}60%{transform:scale(1.12)}100%{transform:scale(1)}}
@keyframes grow{from{transform:scaleX(.02)}to{transform:scaleX(1)}}
.btn{position:relative}
.btn.loading{color:transparent;pointer-events:none}
.btn.loading>*{visibility:hidden}
.btn.loading::after{content:"";position:absolute;width:22px;height:22px;left:50%;top:50%;margin:-11px 0 0 -11px;border-radius:50%;
  border:3px solid currentColor;border-color:var(--on-primary) transparent var(--on-primary) transparent;animation:spin .7s linear infinite}
.btn.sec.loading::after{border-color:var(--primary) transparent var(--primary) transparent}
.btn.danger.loading::after{border-color:var(--on-fill) transparent var(--on-fill) transparent}
.seg button{position:relative}
.seg button.pop{animation:pop .26s var(--ease)}
.seg button.syncing::after{content:"";position:absolute;inset:-4px;border-radius:18px;border:2px solid transparent;border-top-color:var(--primary);animation:spin .7s linear infinite}
.enter .meter b{transform-origin:left;animation:grow .3s var(--ease) both}
#login{animation:rise .25s var(--ease) both}
.fab{animation:rise .3s var(--ease) .15s both}

.dates .nav:disabled{opacity:.35;pointer-events:none}

/* search */
.search{position:relative;margin-bottom:12px}
.search svg{position:absolute;left:16px;top:50%;width:20px;height:20px;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.search input{padding-left:46px;background:var(--surface)}