body { background: var(--bg); color: var(--text); font-family: var(--font); margin: 0; }
.hidden { display: none !important; }
.wrap { max-width: 1100px; margin: 0 auto; padding: calc(var(--nav-h, 60px) + 20px) 16px 40px; }
.nav-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.who { font-size: 0.8rem; color: var(--text-3); max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.inp.sm { padding: 6px 10px; width: auto; }
.sub { color: var(--text-3); font-size: 0.875rem; margin: 4px 0 0; }
h1 { font-size: 1.5rem; margin: 0; letter-spacing: -0.02em; }
h2 { font-size: 1.05rem; margin: 0; }
.gate { text-align: center; padding-top: 140px; }
.gate .btn { margin-top: 20px; }
.head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.card { background: var(--surface); border: 1px solid var(--border-card); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 16px; }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.layout { display: grid; grid-template-columns: 260px 1fr; gap: 16px; align-items: start; }
@media (max-width: 760px) { .layout { grid-template-columns: 1fr; } .who { display: none; } }
.class-list .g { font-size: 0.8rem; font-weight: 700; color: var(--text-3); margin: 10px 0 6px; }
.class-list .g:first-child { margin-top: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--border); background: var(--surface-2); color: var(--text); border-radius: 999px; padding: 4px 10px; font-size: 0.85rem; cursor: pointer; font-family: inherit; }
.chip.on { background: var(--accent); color: #fff; border-color: transparent; }
.chip small { opacity: 0.7; margin-left: 2px; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--hairline); }
th { color: var(--text-3); font-weight: 600; font-size: 0.8rem; white-space: nowrap; }
@media (max-width: 760px) {
  td.act { width: auto; }
  td.act .btn.sm { padding: 4px 8px; font-size: 0.8rem; }
  th, td { padding: 8px 4px; }
  .wrap { padding-top: calc(var(--nav-h, 60px) + 8px); }
}
td.num { width: 3.5rem; font-variant-numeric: tabular-nums; }
td.act { width: 7rem; text-align: right; white-space: nowrap; }
.empty { color: var(--text-3); padding: 24px 0; text-align: center; }
#preview { margin-bottom: 16px; border-color: var(--accent); }
.pv-stats { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0; }
.pv-stat { background: var(--surface-2); border-radius: 10px; padding: 8px 12px; font-size: 0.9rem; }
.pv-stat b { font-size: 1.1rem; margin-right: 4px; }
.pv-list { max-height: 260px; overflow: auto; font-size: 0.85rem; margin: 6px 0 0; padding-left: 1.1rem; }
details { margin-top: 8px; }
summary { cursor: pointer; font-weight: 600; font-size: 0.9rem; }
.warn { color: var(--danger); font-size: 0.85rem; }
.ok { color: var(--success); }
.pv-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 12px; }
dialog.card { max-width: 420px; width: calc(100% - 32px); color: var(--text); }
dialog::backdrop { background: rgba(0, 0, 0, 0.35); }
dialog label { display: block; font-size: 0.85rem; margin-top: 10px; }
dialog .inp { width: 100%; margin-top: 4px; box-sizing: border-box; }
.row3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.foot { margin-top: 16px; }