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svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2.2}.empty-search-notice{text-align:center;padding:32px 16px;color:var(--muted);font-size:.9rem}@media(max-width:430px){.top-count{min-width:34px;padding:4px}}@media(min-width:640px){.attendance-top{margin:-20px -20px 12px;padding:11px 20px}}.history{display:grid;gap:7px}.history-day{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;margin:12px 2px 4px}.history-day-line{display:flex;align-items:center;gap:10px;min-width:0}.history-day-line:after{content:"";height:1px;background:var(--line);flex:1}.history-day-label{font-size:.76rem;font-weight:850;color:#a6a6aa;white-space:nowrap}.history-day-download{width:32px;height:32px;border:0;border-radius:8px;background:transparent;color:#929297;display:grid;place-items:center}.history-day-download:active{background:#141414}.history-day-download svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.history-item{border:1px solid var(--line);border-radius:9px;background:#080808;overflow:hidden}.history-item summary{list-style:none;cursor:pointer;padding:12px}.history-item summary::-webkit-details-marker{display:none}.history-item[open] summary{border-bottom:1px solid var(--line)}.history-summary{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center}.history-summary-actions{display:flex;align-items:center;gap:4px}.history-controls{display:flex;justify-content:flex-end;margin:-5px 0 10px}.archive-toggle{border:0;background:transparent;color:var(--muted);padding:5px 2px;font-size:.75rem}.archive-tag{display:inline-flex;margin-left:6px;padding:2px 5px;border:1px solid var(--line2);border-radius:5px;color:var(--muted);font-size:.62rem;font-weight:850;vertical-align:1px}.archive-action{margin-top:10px}.summary-icon{width:34px;height:34px;border:0;background:transparent;transition:color .18s ease,background .18s ease,transform .18s ease}.summary-icon.copied{color:var(--green);background:#8ee6a81a;transform:scale(1.08)}.history-chevron{display:grid;place-items:center;width:26px;height:34px;color:#777;transition:transform .15s}.history-chevron svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.history-item[open] .history-chevron{transform:rotate(180deg)}.history-card-meta{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:3px}.history-card-date{font-size:.76rem;font-weight:700;color:var(--muted);white-space:nowrap}.history-card-times{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.history-time-badge{display:inline-flex;align-items:center;padding:1px 5px;font-size:.7rem;font-weight:720;color:#aaa;background:#111;border:1px solid #242424;border-radius:5px;line-height:1.3;white-space:nowrap}.history-card-teacher{margin-left:auto;font-size:.72rem;color:#777;white-space:nowrap}.history-body{padding:5px 12px 12px}.history-grid{width:100%;margin-top:4px}.history-grid-row,.history-grid-header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:7px 0;border-bottom:1px solid #141414}.history-grid-header{border-bottom:1px solid var(--line);padding:4px 0 6px}.history-grid-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:10px;border-top:1px solid #141414;margin-top:2px}.history-grid-name{font-size:.84rem;font-weight:720;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-grid-cols{display:flex;align-items:center;gap:6px}.history-group-actions{display:flex;align-items:center;gap:5px;flex-wrap:wrap}.history-col-actions{display:flex;flex-direction:column;align-items:flex-end;gap:3px}.h-col-head{width:32px;text-align:center;font-size:.68rem;font-weight:800;color:var(--muted)}.h-cell{width:32px;height:26px;display:grid;place-items:center;font-size:.88rem;font-weight:900;border-radius:5px;user-select:none;line-height:1}.h-cell.present{color:var(--green);background:var(--greenbg);border:1px solid #1c4827}.h-cell.absent{color:var(--red);background:#220e0e;border:1px solid #481a1a}.h-cell.excused{color:var(--yellow);background:var(--yellowbg);border:1px solid #4a3d16}.h-cell.empty{color:#444}.h-cell.btn-cell{cursor:pointer;border:1px dashed var(--line2)}.h-download-btn{width:32px;height:28px;color:var(--muted);padding:0;display:grid;place-items:center;transition:color .18s,transform .18s}.h-download-btn svg{width:15px;height:15px}.h-download-btn:hover{color:#fff}.h-download-btn.copied{color:var(--green);transform:scale(1.12)}.class-inline-input{width:100%;min-height:38px;padding:6px 9px;border:1px solid var(--accent);border-radius:8px;background:var(--surface2);color:#fff;font-weight:760}.history-tool{width:34px;height:34px;border:0;border-radius:9px;background:transparent;color:var(--muted);display:grid;place-items:center;transition:color .18s,transform .18s}.history-tool svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.history-tool:hover{color:#fff}.history-tool.copied{color:var(--green);transform:scale(1.1)}.history-tool.active{background:#161616;color:#eee}.history-tool.archive{color:#999}.history-save{width:34px;height:34px;border:0;border-radius:9px;background:#f2f2f2;color:#080808;display:grid;place-items:center}.history-save svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}.history-save.hidden{display:none}.undo-confirm{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:7px;margin-top:9px;align-items:center}.list-card{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:#080808;transition:background .15s ease,border-color .15s ease}.list-card.clickable{cursor:pointer}.list-card.clickable:hover,.list-card.clickable:active{background:var(--surface2);border-color:var(--line2)}.pin{font-size:1.85rem;font-weight:900;letter-spacing:.14em}.pin-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px}.pin-actions{display:flex;gap:4px;align-items:center}.pin-actions .icon-btn{width:36px;height:36px;border-color:transparent;background:transparent}.manual-add{display:grid;grid-template-columns:1fr 1fr 44px;gap:7px}.manual-add .icon-btn{height:48px;width:44px;font-size:1.35rem}.file-help{display:grid;gap:9px;padding:11px;border:1px solid var(--line);border-radius:9px;background:#070707}.file-picker-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.file-input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.file-picker{display:inline-flex;align-items:center;gap:7px;min-height:40px;padding:8px 11px;border:1px solid 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button{min-height:38px;border:0;border-radius:6px;background:transparent;color:#888;font-weight:780}.mode-toggle button.active{background:#ededed;color:#080808}.plain-section{padding:2px 0 12px;border-bottom:1px solid var(--line)}.plain-section:last-child{border-bottom:0;padding-bottom:0}details.admin-drop{border-bottom:1px solid var(--line)}details.admin-drop:last-child{border-bottom:0}details.admin-drop summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:48px;padding:11px 0;cursor:pointer;font-weight:820}details.admin-drop summary::-webkit-details-marker{display:none}details.admin-drop summary:after{content:"⌄";color:#777;font-size:1rem;transition:.12s}details.admin-drop[open] summary:after{transform:rotate(180deg)}.drop-body{padding:2px 0 14px}.class-admin-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}.class-admin-row:last-child{border-bottom:0}.class-admin-actions{display:flex;gap:4px;align-items:center}.class-admin-actions .icon-btn{width:36px;height:36px;border-color:transparent;background:transparent}.class-inline-editor{grid-column:1 / -1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:7px;align-items:center;padding:3px 0 6px}.class-inline-confirm{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:5px 0 7px}.class-inline-buttons{display:flex;gap:5px;align-items:center}.class-inline-buttons .icon-btn{width:36px;height:36px}@media(max-width:430px){.manual-add{grid-template-columns:1fr 1fr}.manual-add .icon-btn{grid-column:1 / -1;width:100%}}