:root{--bg: #f5f6f4;--surface: #ffffff;--border: #dfe3de;--text: #232a26;--text-dim: #6b756e;--accent: #1e6f5c;--accent-soft: #e3efeb;--today: #fff4d6;--today-line: #e0a800;--cell-h: 64px;--head-h: 44px;--radius: 10px;--c1: #1e6f5c;--c2: #2f6fa8;--c3: #8a5a2b;--c4: #7a4a8c;--c5: #b0463c;--c6: #3d7a4a}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;touch-action:manipulation;-webkit-text-size-adjust:100%}#app{max-width:1100px;margin:0 auto;padding:12px 12px 24px;padding-top:calc(12px + env(safe-area-inset-top));padding-bottom:calc(24px + env(safe-area-inset-bottom));padding-left:calc(12px + env(safe-area-inset-left));padding-right:calc(12px + env(safe-area-inset-right))}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:10px}.title{font-size:20px;font-weight:700;margin:0;letter-spacing:.5px}.subtitle{margin:2px 0 0;font-size:12px;color:var(--text-dim)}.topbar-right{display:flex;align-items:center;gap:6px}.btn-icon{width:36px;height:36px;border:1px solid var(--border);background:var(--surface);border-radius:8px;font-size:20px;line-height:1;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}.btn-icon:active{background:#eceeeb}.btn-week{height:36px;padding:0 14px;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;-webkit-tap-highlight-color:transparent}.btn-week:active{opacity:.85}.weekbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 12px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;font-size:13px}.week-label{font-weight:700;color:var(--accent)}.week-dates{color:var(--text-dim)}.toggle-weekend{margin-left:auto;display:flex;align-items:center;gap:6px;color:var(--text-dim);cursor:pointer;-webkit-user-select:none;user-select:none}.toggle-weekend input{width:16px;height:16px;accent-color:var(--accent)}.grid-wrap{position:relative}.grid{display:grid;grid-template-columns:46px repeat(var(--days, 7),minmax(0,1fr));background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.grid.has-collapsed-weekend{grid-template-columns:46px repeat(5,minmax(0,1fr)) 44px 44px}.grid-head{height:var(--head-h);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:var(--text-dim);background:#f0f2ef;border-bottom:1px solid var(--border);border-right:1px solid var(--border)}.grid-head.is-today{color:var(--accent);background:var(--today)}.grid-head.is-collapsed{font-size:13px;padding:0;writing-mode:horizontal-tb}.period-cell{height:var(--cell-h);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:var(--text-dim);border-bottom:1px solid var(--border);border-right:1px solid var(--border);background:#f0f2ef;line-height:1.3}.period-num{font-weight:700;font-size:13px;color:var(--text)}.period-time{font-size:9px}.day-cell{position:relative;border-bottom:1px solid var(--border);border-right:1px solid var(--border);min-height:var(--cell-h)}.day-cell.is-today{background:var(--today)}.day-cell.is-weekend{background:#fafbf9}.day-cell.is-today.is-weekend{background:var(--today)}.day-cell.is-collapsed{background:#f7f8f6}.day-cell.is-collapsed.is-today{background:var(--today)}.course-block{border-radius:7px;padding:5px 7px;color:#fff;overflow:hidden;cursor:pointer;display:flex;flex-direction:column;gap:2px;-webkit-tap-highlight-color:transparent;transition:transform .08s ease;min-height:0}.course-block:active{transform:scale(.97)}.course-block.is-chip{padding:0;min-width:0;margin:2px;border-radius:5px}.course-block.is-chip:active{transform:scale(.92)}.course-name{font-size:12px;font-weight:600;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.course-room{font-size:10px;opacity:.9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.c1{background:var(--c1)}.c2{background:var(--c2)}.c3{background:var(--c3)}.c4{background:var(--c4)}.c5{background:var(--c5)}.c6{background:var(--c6)}.course-block.is-now{box-shadow:0 0 0 2px var(--today-line)}.empty-hint{text-align:center;padding:32px 12px;color:var(--text-dim);font-size:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-top:10px}.modal-backdrop[hidden]{display:none}.modal-backdrop{position:fixed;inset:0;background:#141a1673;display:flex;align-items:center;justify-content:center;padding:20px;z-index:100;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{position:relative;background:var(--surface);border-radius:14px;padding:20px;width:100%;max-width:380px;box-shadow:0 12px 40px #0000002e;max-height:80vh;overflow-y:auto}.modal-close{position:absolute;top:10px;right:12px;width:30px;height:30px;border:none;background:transparent;font-size:22px;line-height:1;color:var(--text-dim);cursor:pointer;border-radius:6px}.modal-close:active{background:#eceeeb}.modal-title{margin:0 0 14px;font-size:17px;padding-right:30px;line-height:1.35}.modal-list{margin:0}.modal-row{display:flex;gap:12px;padding:7px 0;border-bottom:1px solid #eef0ed;font-size:13px}.modal-row:last-child{border-bottom:none}.modal-row dt{width:56px;flex-shrink:0;color:var(--text-dim)}.modal-row dd{margin:0;flex:1;word-break:break-all}@media(max-width:560px){:root{--cell-h: 58px;--head-h: 40px}#app{padding-left:8px;padding-right:8px}.title{font-size:17px}.grid{grid-template-columns:38px repeat(var(--days, 7),minmax(0,1fr))}.course-name{font-size:11px}.course-room{font-size:9px}.btn-week{padding:0 10px;font-size:12px}.toggle-weekend span{display:none}}