:root{color:#18212f;background:#f5f7fb;--day-col-min: 150px;--time-col-width: 72px;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body{margin:0;min-width:320px;max-width:100%;overflow-x:hidden}button,select{font:inherit}.app-shell{width:min(1920px,calc(100vw - 32px));max-width:100%;margin:0 auto;padding:24px 0 40px}.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:18px}.eyebrow{margin:0 0 4px;color:#526276;font-size:13px;font-weight:700}h1,h2,p{margin-top:0}h1{margin-bottom:0;font-size:30px;line-height:1.2;letter-spacing:0}.summary-strip{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.summary-strip span{border:1px solid #d6dde8;border-radius:8px;background:#fff;color:#435268;padding:7px 10px;font-size:13px;font-weight:700}.filters{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding:14px;margin-bottom:18px;border:1px solid #dbe2ec;border-radius:8px;background:#fff;max-width:100%}.filter-fields{display:flex;flex-wrap:wrap;gap:12px}.filter-fields label{display:grid;gap:6px;min-width:172px}.filter-fields label span{color:#5b6778;font-size:13px;font-weight:700}.filter-fields select{min-height:38px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#18212f;padding:0 34px 0 10px}.filter-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.week-switcher{display:flex}.week-switcher button:first-child{border-radius:8px 0 0 8px}.week-switcher button+button{border-left:0;border-radius:0}.week-switcher button:last-child{border-radius:0 8px 8px 0}.filter-actions button{min-height:38px;border:0;border-radius:8px;background:#1f6f5b;color:#fff;padding:0 14px;font-weight:800;cursor:pointer}.week-switcher button{border:1px solid #cbd5e1;background:#f8fafc;color:#34445a;padding:0 10px;white-space:nowrap}.filters button:disabled{cursor:not-allowed;opacity:.45}.schedule-board{max-width:100%;overflow-x:auto;border:1px solid #d8e0ea;border-radius:8px;background:#fff;-webkit-overflow-scrolling:touch}.schedule-grid{display:grid;width:100%;position:relative}.grid-head,.section-cell,.slot-cell{border-right:1px solid #dfe6ef;border-bottom:1px solid #dfe6ef}.grid-head{position:sticky;top:0;z-index:4;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#eaf0f7;color:#263349;padding:8px 10px;font-size:14px;font-weight:800;line-height:1.2;text-align:center}.grid-head.is-today{color:#0f5ea8}.grid-head__weekday,.grid-head__date{display:block}.grid-head__date{margin-top:3px;color:#64748b;font-size:12px;font-weight:700}.grid-head.is-today .grid-head__date{color:#0f5ea8}.grid-corner{left:0;z-index:8}.section-cell{position:sticky;left:0;z-index:7;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#f7fafc;color:#41516a;font-weight:800}.section-cell strong{color:#1f2937;font-size:18px;line-height:1.05}.section-cell span{color:#6b7280;font-size:12px;line-height:1.25}.section-cell.is-current-period{background:#e7f2ff}.section-cell.is-current-period strong,.section-cell.is-current-period span{color:#0f5ea8}.slot-cell{background:#fff}.break-row{z-index:3;display:flex;align-items:center;justify-content:center;border-bottom:1px solid #dfe6ef;background:#eef1f5;color:#7a8493;font-size:14px;font-weight:800}.course-stack{z-index:3;position:relative;display:grid;gap:6px;align-content:stretch;padding:5px;min-height:0;overflow:hidden}.course-stack.is-split{position:relative;padding-left:3px;padding-right:3px}.course-stack.is-parallel{gap:4px;align-items:stretch}.course-card{border:1px solid var(--course-border, #ccd9e8);border-left-color:var(--course-accent, #64748b);border-left-width:5px;border-radius:8px;background:linear-gradient(180deg,var(--course-bg, #fbfdff) 0%,#ffffff 130%);padding:7px;box-shadow:inset 0 0 0 1px #ffffff8c,0 1px 2px #0f172a0f;cursor:pointer;overflow:hidden;transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}.course-card:hover{box-shadow:inset 0 0 0 1px #ffffffa6,0 8px 18px #0f172a1a;transform:translateY(-1px)}.course-card:focus-visible{outline:3px solid var(--course-border, #93c5fd);outline-offset:2px}.course-card.room-509,.course-card.room-510,.course-card.room-other{border-left-color:var(--course-accent, #64748b)}.course-card.is-conflict{border-color:#d03838;border-left-color:var(--course-accent, #d03838);box-shadow:inset 0 0 0 1px #d038381f,0 1px 2px #0f172a14}.course-card__top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;margin-bottom:5px}.course-card__top strong{color:var(--course-title, #172554);font-size:13px;line-height:1.25}.course-card.is-compact{border-left-width:4px;padding:6px}.course-card.is-compact .course-card__top{align-items:stretch;flex-direction:column;gap:5px;margin-bottom:4px}.course-card.is-compact .course-card__top strong{min-width:0;font-size:12px;overflow-wrap:anywhere}.course-card.is-compact .course-badges{flex-direction:row;flex-wrap:wrap;align-items:center;max-width:100%}.course-badges{display:flex;flex:0 0 auto;flex-direction:column;gap:4px;align-items:flex-end;max-width:96px}.course-badges span{flex:0 0 auto;border-radius:6px;padding:3px 6px;font-size:12px;font-weight:800;line-height:1.15;text-align:right}.course-card.is-compact .course-badges span{max-width:100%;padding:2px 5px;font-size:11px;text-align:left}.course-card.is-compact dl{gap:2px}.course-card.is-compact dl div{grid-template-columns:30px minmax(0,1fr);gap:4px}.course-card.is-compact dt,.course-card.is-compact dd{font-size:11px}.room-badge{border:1px solid var(--course-border, #d8e0ea);background:var(--course-badge-bg, #eef2f7);color:var(--course-badge-text, #34445a)}.duration-badge{white-space:normal}.duration-badge.is-long{background:#e7f2ff;color:#0f5ea8}.duration-badge.is-short{background:#eef6ed;color:#236142}.course-card dl{display:grid;gap:3px;margin:0}.course-card dl div{display:grid;grid-template-columns:34px minmax(0,1fr);gap:6px;align-items:start}.course-card dt{color:#6b7788;font-size:12px}.course-card dd{margin:0;color:#263349;font-size:12px;line-height:1.35;overflow-wrap:anywhere}.conflict-label{margin:8px 0 0;color:#b42318;font-size:12px;font-weight:800}.detail-backdrop{position:fixed;inset:0;z-index:30;display:flex;align-items:center;justify-content:center;background:#0f172a6b;padding:24px}.course-detail{width:min(760px,100%);max-height:min(820px,calc(100vh - 48px));overflow:auto;border:1px solid var(--course-border, #d8e0ea);border-top:6px solid var(--course-accent, #2563eb);border-radius:8px;background:#fff;box-shadow:0 24px 60px 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#e0e7f0;border-radius:8px;background:#fbfdff;padding:10px 12px}.detail-summary dt{margin-bottom:4px;color:#657386;font-size:12px;font-weight:800}.detail-summary dd{margin:0;color:#1f2937;font-size:14px;font-weight:700;line-height:1.35;overflow-wrap:anywhere}.detail-total-hours{display:block;margin-bottom:7px}.detail-hour-breakdown{display:flex;flex-wrap:wrap;gap:6px}.detail-hour-breakdown span{border:1px solid var(--course-border, #d8e0ea);border-radius:6px;background:var(--course-badge-bg, #eef2f7);color:var(--course-badge-text, #34445a);padding:3px 6px;font-size:12px;font-weight:800;line-height:1.2}.detail-section{padding:0 20px 20px}.detail-section h3{margin:0 0 10px;color:#243044;font-size:17px}.detail-class-list{display:grid;gap:10px}.detail-class-group{border:1px solid #e0e7f0;border-radius:8px;background:#fff;overflow:hidden}.detail-class-group__head{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid #e8eef6;background:var(--course-bg, #fbfdff);padding:10px 12px}.detail-class-group__head strong{color:var(--course-title, #172554);font-size:15px}.detail-class-group__head span{color:#64748b;font-size:13px;font-weight:700}.detail-week-groups{display:grid;gap:10px;padding:12px}.detail-week-group{border:1px solid #e4ebf4;border-radius:8px;background:#fbfdff;overflow:hidden}.detail-week-group h4{margin:0;border-bottom:1px solid #e4ebf4;background:var(--course-badge-bg, #eef2f7);color:var(--course-badge-text, #1f4f75);padding:9px 11px;font-size:14px;line-height:1.25}.detail-week-items{display:grid;gap:8px;padding:10px}.detail-week-item{display:grid;grid-template-columns:minmax(92px,1fr) minmax(86px,.8fr) minmax(118px,1fr) minmax(86px,.8fr);gap:8px;align-items:center;border:1px solid #e8eef6;border-radius:7px;background:#fff;padding:9px 10px;color:#263349;font-size:13px;line-height:1.35}.detail-week-item strong,.detail-week-item span{min-width:0;overflow-wrap:anywhere}.detail-week-item strong{color:var(--course-title, 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dd{font-size:11px}.detail-backdrop{align-items:flex-end;padding:0}.course-detail{width:100%;max-height:88vh;border-right:0;border-bottom:0;border-left:0;border-radius:8px 8px 0 0}.course-detail__header{padding:14px 14px 12px}.course-detail__header h2{font-size:20px}.detail-summary{grid-template-columns:1fr;gap:8px;padding:12px 14px}.detail-section{padding:0 14px 16px}.detail-class-group__head{align-items:flex-start;flex-direction:column;gap:3px}.detail-week-groups{padding:10px}.detail-week-item{grid-template-columns:1fr;gap:4px}.site-footer{margin-top:16px;padding:0 8px;font-size:12px}}@media(max-width:420px){:root{--day-col-min: 202px;--time-col-width: 54px}.filter-fields,.filter-actions{grid-template-columns:1fr}}