:root{--ink:#14213d;--paper:#f6f7f9;--card:#fff;--line:#d5dae3;--muted:#5b6578;--accent:#0f6b6b;--warn:#a4161a;--warnbg:#fdecec}
@media (prefers-color-scheme:dark){:root{--ink:#e8ecf4;--paper:#10151f;--card:#181f2d;--line:#2c3547;--muted:#9aa6bd;--accent:#4fc3c3;--warn:#ff8a8a;--warnbg:#2b1719}}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 "Segoe UI",system-ui,-apple-system,Roboto,sans-serif}
main{max-width:640px;margin:0 auto;padding:24px 16px 56px}
.wide{max-width:1100px}
h1{font-size:1.6rem;margin:0 0 4px}
.sub{color:var(--muted);margin:0 0 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px}
label,.lbl{display:block;font-weight:600;margin:16px 0 6px}
input[type=text],input[type=date],input[type=password],textarea,input[type=search]{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);font:inherit}
input:focus,textarea:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
input[readonly]{opacity:.8}
textarea{min-height:90px;resize:vertical}
.hint{color:var(--muted);font-size:.875rem;font-weight:400}
.sessions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.sessions label{margin:0;font-weight:500;display:flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:6px;padding:10px;cursor:pointer}
.sessions input:checked+span{font-weight:700;color:var(--accent)}
fieldset{border:1px solid var(--line);border-radius:8px;margin:16px 0 0;padding:4px 14px 14px}
legend{font-weight:600;padding:0 6px}
.thumbs{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}
.thumbs img{width:96px;height:96px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}
.disc{background:var(--warnbg);color:var(--warn);border-left:4px solid var(--warn);padding:12px 14px;border-radius:6px;margin-top:20px;font-weight:600}
.agree{display:flex;gap:8px;align-items:flex-start;font-weight:500;margin-top:12px}
button{font:inherit;font-weight:600;background:var(--accent);color:#fff;border:0;border-radius:6px;padding:11px 20px;cursor:pointer}
[data-theme] button,button.sec{background:transparent;color:var(--ink);border:1px solid var(--line)}
button:disabled{opacity:.6;cursor:wait}
.full{width:100%;margin-top:20px}
.msg{margin-top:14px;padding:10px 12px;border-radius:6px;display:none}
.msg.err{display:block;background:var(--warnbg);color:var(--warn)}
.msg.ok{display:block;background:#e3f5ec;color:#0b5b34}
.bar{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:16px}
.bar>div{flex:1;min-width:150px}.bar label{margin:0 0 4px}
.counts{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.counts span{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:4px 12px;font-size:.9rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:14px}
.sub-card h3{margin:0}.sub-card .roll{color:var(--accent);font-weight:700}
.sub-card dl{margin:10px 0 0;display:grid;grid-template-columns:90px 1fr;gap:4px 10px;font-size:.92rem}
.sub-card dt{color:var(--muted)}.sub-card dd{margin:0;word-break:break-word}
.sub-card .thumbs img{cursor:zoom-in}
#login{max-width:360px;margin:60px auto}
@media print{#login,.bar,button{display:none!important}.grid{display:block}.sub-card{break-inside:avoid;margin-bottom:10px}}