:root{font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:#263343;background:#fff;font-size:16px;--line:#dce3eb;--row:4.25rem;--head:2.8rem;--label:4.75rem}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit;color:inherit}button,select{min-height:40px}button{border:1px solid #cbd5e1;background:#fff;border-radius:5px;padding:7px 14px;cursor:pointer}button:hover{background:#f0f4f8}button:disabled{opacity:.4;cursor:default}button:focus-visible,select:focus-visible,input:focus-visible,.schedule-scroll:focus-visible{outline:3px solid #3974bd;outline-offset:2px}.primary{background:#365e89;border-color:#365e89;color:#fff}.primary:hover{background:#27496d}.danger{color:#ad3535;border-color:#e6c4c4}.icon{font-size:24px;line-height:1;padding:5px 12px;flex:none}main{max-width:1600px;margin:0 auto;padding:24px 28px}.top,.heading,.toolbar,.week-control,.dialog-head,.dialog-actions{display:flex;align-items:center}.top{justify-content:space-between;gap:12px;margin-bottom:20px}.heading{gap:14px;min-width:0}.brand{font-weight:700;font-size:20px;letter-spacing:-.5px;color:#365e89;border-right:1px solid var(--line);padding-right:14px}h1{font-size:23px;font-weight:600;margin:0}h2{font-size:20px;margin:0;overflow-wrap:anywhere}.badge{font-size:12px;background:#edf1f5;border-radius:3px;padding:3px 6px;color:#667385}.toolbar{gap:18px;flex-wrap:wrap;margin-bottom:8px}.semester{font-size:14px}.week-control{gap:6px}.week-control button{width:36px;padding:2px;font-size:23px}.week-control select{border:1px solid #cbd5e1;border-radius:5px;background:#fff;padding:4px 10px}.count{font-size:14px;color:#667385;margin-left:auto}.hint{font-size:13px;color:#667385;margin:8px 0 14px;line-height:1.65}.mobile-hint{display:none}.schedule-scroll{overflow-x:auto;overflow-y:visible;border:1px solid var(--line);border-radius:5px;min-height:380px;scrollbar-gutter:auto;overscroll-behavior-x:contain}.schedule{display:grid;grid-template-columns:var(--label) repeat(7,minmax(8.5rem,1fr));grid-template-rows:var(--head) repeat(12,var(--row));min-width:calc(var(--label) + 59.5rem);position:relative;isolation:isolate}.grid-cell{border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-width:0;min-height:0;background:#fff}.grid-cell.day-head{position:sticky;top:0;z-index:5;background:#eaf0f6;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600}.period{position:sticky;left:0;z-index:4;background:#f7f9fb;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3px}.period b{font-size:14px;font-weight:500}.period small{font-size:12px;color:#6b7785;font-variant-numeric:tabular-nums}.corner{left:0;z-index:7!important}.break-before{border-top:2px solid #bdcbd9}.event{align-self:stretch;justify-self:stretch;z-index:2;margin:4px 3px;padding:8px 9px;min-height:0;border:1px solid var(--course-border);border-radius:4px;background:var(--course-bg);overflow:hidden;text-align:left;display:flex;flex-direction:column;gap:4px;line-height:1.4;color:#25374a;width:calc((100% - 6px)/var(--lanes) - 3px);margin-left:calc(3px + (100% - 6px)*var(--lane)/var(--lanes))}.event:hover{background:var(--course-bg);filter:brightness(.97);border-color:#567597}.event strong{font-size:14px;font-weight:600;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow-wrap:anywhere}.event .room{font-size:13px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.event .event-meta{font-size:12px;color:#536477;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:auto}.event.single{padding:4px 6px;gap:0}.event.single strong{-webkit-line-clamp:1}.event.single .event-meta{display:none}.event.conflict{border-style:dashed}.event .conflict-label{font-size:12px;color:#90472c}footer{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;font-size:12px;color:#758090;margin-top:14px}.pending{margin-top:16px;padding:12px;border:1px solid var(--line);font-size:14px;border-radius:5px}.pending h2{font-size:14px;margin-bottom:8px}.pending button{margin:4px 6px 0 0}.error{color:#a02d2d;background:#fff5f4;padding:10px;border-radius:4px;font-size:14px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}dialog{border:1px solid #cbd5e1;border-radius:9px;padding:22px;width:min(640px,calc(100% - 28px));max-height:85dvh;overflow:auto;box-shadow:0 15px 65px #182d432b}dialog::backdrop{background:#17283a66}.dialog-head{justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:18px}.tabs{display:flex;border-bottom:1px solid var(--line);gap:6px;margin-bottom:18px}.tabs button{border:0;border-radius:0;background:transparent;border-bottom:2px solid transparent;color:#657286}.tabs button[aria-selected=true]{color:#365e89;border-bottom-color:#365e89}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px;margin-top:14px}label{display:block;font-size:14px;margin-bottom:6px}input,form select{width:100%;border:1px solid #cbd5e1;border-radius:5px;min-height:42px;padding:8px 10px;background:#fff}input[type=search]{width:100%}.required{color:#ad3535}.dialog-actions{justify-content:flex-end;gap:8px;margin-top:22px}.results{max-height:48dvh;overflow:auto}.result{border-bottom:1px solid var(--line);padding:12px 2px;display:flex;gap:16px;align-items:center}.result-info{min-width:0;flex:1}.result strong{font-size:15px;overflow-wrap:anywhere}.result small{display:block;font-size:12px;color:#687587;margin-top:4px;white-space:pre-line;line-height:1.6}.result button{flex:none;font-size:14px}.muted{font-size:13px;color:#687587;line-height:1.6}.detail-list{display:grid;grid-template-columns:85px 1fr;gap:10px;font-size:14px;line-height:1.65}.detail-list dt{color:#687587}.detail-list dd{margin:0;overflow-wrap:anywhere;white-space:pre-line}.detail-list a{color:#365e89}.empty-note{padding:14px;color:#687587;line-height:1.7;font-size:14px}[hidden]{display:none!important}@media(max-width:650px){main{padding:16px 12px}.top{margin-bottom:14px}.heading{gap:9px}.brand{font-size:18px;padding-right:9px}h1{font-size:20px}.top .primary{font-size:14px;padding:8px 11px}.toolbar{gap:8px 12px}.semester{width:100%}.count{font-size:13px}.hint{font-size:12px}.mobile-hint{display:block}.schedule-scroll{min-height:340px}.schedule{grid-template-columns:4.25rem repeat(7,8.5rem);min-width:63.75rem}.period small{font-size:12px}dialog{padding:16px}.form-grid{gap:12px}.result{gap:8px}footer{line-height:1.6}.badge{display:none}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
:root .event.conflict strong{-webkit-line-clamp:2;flex-shrink:0}.event .room,.event .event-meta,.event .conflict-label{flex-shrink:0}