*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:#263e34;background:#f6f8f5;font-size:14px}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0;border-radius:9px;padding:11px 18px;background:#edf2eb;color:#496d57;transition:background .15s}button:hover{background:#e1eadd}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:#34795c;color:#fff}button.primary:hover{background:#266048}button.danger{background:#faece8;color:#ac5647}button.quiet{background:transparent;color:#829082;padding:8px}input,select,textarea{background:#fff;border:1px solid #dfe5dc;border-radius:8px;padding:11px 13px;outline:none;color:#354c3e;max-width:100%}input:focus,select:focus,textarea:focus{border-color:#6d9c7c;box-shadow:0 0 0 3px 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#d0ddc9;border-radius:5px;padding:4px;color:#8b9f83;letter-spacing:2px;margin-left:8px}.login{display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh}.login-art{background:#e9efe4;padding:44px 9%;display:flex;flex-direction:column;min-height:100vh}.login-copy{margin:auto 0;max-width:480px;padding:50px 0}.login-copy h1{font-size:39px;line-height:1.55;font-weight:500}.login-copy>p:not(.eyebrow){line-height:1.9;color:#87977e}.art-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:44px;transform:rotate(-3deg);padding:16px;background:#f4f7f0b3;border:1px solid #dce5d5;border-radius:19px;box-shadow:0 24px 50px #637a4b0b}.art-grid>span{text-align:center;font-size:11px;color:#819277;padding:7px}.art-grid>i{min-height:70px;border-radius:8px;background:#ffffff8c;display:flex;flex-direction:column;justify-content:center;align-items:center;font-style:normal}.art-grid .art-course{background:#c8ddc8;color:#5f8560}.art-course 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b{font-weight:400;color:#687d5e}.topbar .environment{font-size:11px;color:#729666}.content{max-width:1550px;padding:38px 42px 60px;margin:auto}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;gap:20px}.page-head p{margin:0}.card{background:#fff;border:1px solid #e5eadf;border-radius:14px;padding:24px;margin-bottom:22px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stat{padding:24px 26px;position:relative}.stat .value{font-size:37px;font-weight:500;color:#527148;margin-top:20px}.stat .stat-label{font-size:12px;color:#929f87}.stat .stat-icon{position:absolute;right:26px;top:26px;color:#a8bc9c;font-size:24px}.summary-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:22px}.term-hero{padding:30px;background:#edf3e8;border-color:#dde7d4}.term-hero h2{font-size:21px;line-height:1.6;margin:18px 0 12px}.pill{display:inline-block;padding:5px 9px;border-radius:6px;background:#eaf2e4;color:#56824c;font-size:11px;white-space:nowrap}.pill.orange{background:#fbf2df;color:#a98b4f}.pill.gray{background:#f0f2ed;color:#8e9985}.quick-links{display:grid;grid-template-columns:1fr 1fr;gap:12px}.quick-links button{text-align:left;padding:20px;font-size:13px;background:#f5f8f2;color:#6b835d}.quick-links small{display:block;font-size:10px;color:#a0ac94;margin-top:9px}.notice{background:#f1f6eb;border:1px solid #e2ebd8;padding:14px 17px;border-radius:9px;color:#769068;line-height:1.8;font-size:12px;margin:18px 0}.error{color:#a45144;background:#fcefea;border-radius:8px;padding:14px;line-height:1.8}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;white-space:nowrap;text-align:left;font-size:12px}th{font-weight:400;color:#96a08b;background:#f6f8f3;padding:14px 16px}td{padding:15px 16px;border-bottom:1px solid #edf0e9;color:#5f7354}tr:last-child td{border-bottom:0}.table-wrap button{font-size:11px;padding:6px 10px}.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:22px}.toolbar input{min-width:240px}.toolbar select{max-width:420px}.check-row{display:flex;flex-direction:row;align-items:center;padding:12px;border-bottom:1px solid #edf1e7;color:#657f57;font-size:13px;gap:12px}.teacher-picks{max-height:340px;overflow:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:0 16px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-grid .full{grid-column:1/-1}.drop-field{border:1px dashed #cddbc2;background:#f9fbf7;border-radius:12px;padding:25px}.drop-field input{background:transparent;border:0;padding:0;margin-top:14px;width:100%}.empty{text-align:center;padding:65px 20px;color:#9caa92;line-height:1.9}.actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}.loading{padding:70px;text-align:center;color:#8b9b80}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px}.week-table{table-layout:fixed;min-width:780px}.week-table th,.week-table td{padding:7px;width:14%}.week-table th:first-child,.week-table td:first-child{width:58px;text-align:center}.week-table td{height:88px;border:1px solid #edf1e8;vertical-align:top}.course{display:block;width:100%;height:100%;padding:9px 6px!important;text-align:center;white-space:normal;line-height:1.7;background:#e8f1e3!important;color:#5d8150}.course:nth-child(2n){background:#edf0f6!important;color:#7989a7}.course small{display:block;opacity:.7;font-size:10px}.dialog-course{max-height:260px;overflow:auto;display:grid;grid-template-columns:1fr 1fr;border:1px solid #e5ebde;border-radius:10px}.dialog-course label{display:flex;flex-direction:row;gap:7px;align-items:center;padding:9px;font-size:12px}dialog{border:1px solid #dce6d5;border-radius:18px;padding:28px;width:min(640px,94vw);color:#354f2d;max-height:90vh}dialog::backdrop{background:#17261165;backdrop-filter:blur(2px)}dialog textarea{width:100%;min-height:80px}.changes{white-space:pre-wrap;max-height:320px;overflow:auto;font-size:12px;line-height:1.8}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);padding:14px 24px;background:#2d543e;color:#fff;border-radius:10px;z-index:100}.disabled-shell{opacity:.6;pointer-events:none}.file-summary{display:flex;gap:30px;padding:20px;background:#f3f7ef;border-radius:10px;margin:20px 0}.file-summary b{display:block;font-size:25px;margin-top:7px}.issue-list{max-height:260px;overflow:auto;font-size:12px;line-height:1.9;padding-left:20px}.skeleton{background:linear-gradient(90deg,#edf2e8,#f9fbf7,#edf2e8);height:120px;border-radius:14px}@media(max-width:1000px){.sidebar{width:190px;padding:24px 14px}main{margin-left:190px}.content{padding:28px 24px}.topbar{padding:0 24px}.summary-grid{grid-template-columns:1fr}.teacher-picks{grid-template-columns:1fr 1fr}}@media(max-width:700px){.login{grid-template-columns:1fr}.login-art{display:none}.sidebar{position:relative;width:100%;padding:16px}.sidebar .school-label,.sidebar .nav-label,.sidebar-bottom{display:none}.sidebar nav{display:flex;overflow:auto;margin-top:16px}.sidebar nav button{width:auto;flex-shrink:0;padding:10px}.sidebar nav button span{font-size:12px}.sidebar nav .nav-label{display:none}main{margin-left:0}.topbar{height:60px}.content{padding:24px 16px}.cards{grid-template-columns:1fr}.stat{display:flex;align-items:center;gap:20px}.stat .value{margin:0}.form-grid{grid-template-columns:1fr}.teacher-picks{grid-template-columns:1fr}.page-head{align-items:flex-start}.page-head h1{font-size:25px}}

[hidden]{display:none!important}

.course.occupancy{background:#fbf2df!important;color:#a98b4f;border:1px dashed #e2c98f}
.week-table td.off{background:#f3f5f1}
.weekend-table{min-width:520px}
.weekend-table th:not(:first-child),.weekend-table td:not(:first-child){width:auto}
.slot-add{display:block;width:100%;height:100%;min-height:60px;background:transparent!important;color:#c3cdbd;border:1px dashed transparent;font-size:18px;padding:0!important}
.slot-add:hover{border-color:#cfdac8;color:#5d8150}
.page-head .row{flex-wrap:wrap;justify-content:flex-end}
.page-head .row button{white-space:nowrap}
/* 分组导航：二、三级菜单缩进且更紧凑，侧栏内容超出时可滚动。 */
.sidebar nav{overflow-y:auto;margin-right:-8px;padding-right:8px}
.sidebar nav button{margin:2px 0;padding:10px 14px}
.sidebar nav .nav-label{margin:18px 12px 6px}
.nav-group{display:flex;align-items:center;gap:14px;font-size:18px;color:#87957c;padding:8px 15px 4px;margin:4px 0 0}
.nav-group span{font-size:13px}
.nav-group.sub{padding:6px 15px 2px 46px;font-size:12px;color:#a6b09b}
.nav-group.sub span{font-size:12px}
.sidebar nav button.sub{padding:8px 14px 8px 46px}
.sidebar nav button.sub2{padding:7px 14px 7px 58px}
.sidebar nav button.sub span,.sidebar nav button.sub2 span{font-size:12.5px}
.nav-tag{margin-left:auto;white-space:nowrap;flex-shrink:0;font-style:normal;font-size:10px;background:#f0f2ed;color:#8e9985;border-radius:5px;padding:2px 6px}
.tabs{display:flex;gap:6px;border-bottom:1px solid #e7ece3;margin:-4px 0 18px}
.tabs button{background:transparent;border-radius:0;border-bottom:2px solid transparent;padding:10px 14px;color:#87957c}
.tabs button.active{border-bottom-color:#36764e;color:#36764e;font-weight:600}
.placeholder{text-align:center;padding:56px 24px}
.placeholder .big{font-size:42px;color:#a6b09b}
.placeholder ul{display:inline-block;text-align:left;color:#6f7d66;line-height:2}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips span{background:#f4f6f1;border-radius:6px;padding:3px 8px;font-size:12px;color:#5d6b55}
@media(max-width:700px){.nav-group{display:none}.sidebar nav button.sub,.sidebar nav button.sub2{padding:10px}.nav-tag{display:none}}
.sidebar nav button span{white-space:nowrap}
.toolbar label.row{flex-direction:row;align-items:center;gap:8px;white-space:nowrap}
@media(max-width:700px){#crumb-path,#crumb-path+span{display:none}}
.toolbar input.picker{min-width:0;width:200px}
.course.conflict{background:#fcefea!important;color:#a45144;box-shadow:inset 0 0 0 2px #d9705f}.course .clash{display:inline-block;margin-top:4px;padding:0 6px;border-radius:4px;background:#d9705f;color:#fff;opacity:1}.course.picked{box-shadow:inset 0 0 0 3px #34795c;font-weight:600}
.notice.danger{background:#fcefea;border-color:#f2d3c9;color:#a45144}.conflict-list{display:flex;flex-wrap:wrap;gap:4px 8px;margin-top:8px}.conflict-list button.quiet{color:#a45144;font-size:12px;padding:4px 8px;background:#fff7f4}.notice.swap-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#eaf1f6;border-color:#d3e2ec;color:#4f6f86}
.week-table td:has(.course+.course) .course{height:auto;margin-bottom:4px}