:root{--navy:#082f5f;--blue:#1966a0;--gold:#b98a2f;--purple:#7458a3;--ink:#25364a;--muted:#64748b;--line:#dce4ed;--bg:#f3f6fa;--paper:#fff;--green:#257451;--red:#b33434}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.55 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{border:1px solid #cad5e2;background:white;border-radius:6px;padding:8px 14px;cursor:pointer;white-space:nowrap}button:hover{background:#f2f7fc;border-color:#819bb9}button:disabled{opacity:.42;cursor:not-allowed}.primary{background:var(--navy);border-color:var(--navy);color:white}.primary:hover{background:#174778}.danger-button{color:var(--red)}:focus-visible{outline:3px solid #c19134;outline-offset:3px}a{color:var(--blue)}input,select,textarea{border:1px solid #c8d3e0;border-radius:5px;padding:9px 10px;background:white;max-width:100%;width:100%}textarea{resize:vertical;line-height:1.65}input[type=radio],input[type=checkbox]{width:17px;height:17px;accent-color:var(--navy)}h1,h2,h3,p{margin:0}h1{font-size:27px;font-weight:650;letter-spacing:-.5px;color:var(--navy)}h2{font-size:20px;color:var(--navy)}h3{font-size:16px;color:var(--navy)}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.rail{position:fixed;inset:0 auto 0 0;width:204px;background:var(--navy);color:white;padding:28px 18px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;color:white;text-decoration:none;font-size:18px;font-weight:650}.brand-mark{display:grid;place-items:center;background:#c39b4c;color:white;border-radius:50%;width:36px;height:36px;font-size:20px}.brand small{display:block;font-size:11px;font-weight:400;color:#c5d4e6;margin-top:3px}.rail nav{display:grid;gap:9px;margin-top:42px}.rail nav a{padding:11px 12px;color:#cbd9e9;text-decoration:none;border-radius:6px;font-size:13px}.rail nav a.active{background:#fff;color:var(--navy);font-weight:600}.rail nav span{font-size:10px;padding:2px 5px;background:#edf1f6;margin-left:12px}.rail-note{margin-top:auto;font-size:12px;color:#c4d3e5;line-height:1.8}.rail-note strong{color:white;font-weight:500}.rail-note button{padding:4px 0;border:0;background:none;color:#fff;margin-top:12px;text-decoration:underline;text-underline-offset:4px}main{margin-left:204px;padding:30px 32px 110px;max-width:1900px}.page-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:10px}.subtitle{color:var(--muted);margin-top:7px}.org-tabs{display:flex;gap:26px;border-bottom:1px solid var(--line);margin:27px 0 22px}.org-tabs button{padding:12px 2px 13px;border:0;border-radius:0;background:none;font-size:16px;color:var(--muted)}.org-tabs button span{font-size:12px;margin-left:10px;font-weight:400}.org-tabs button[aria-selected=true]{color:var(--navy);border-bottom:3px solid var(--navy);font-weight:650}.notice{padding:13px 16px;background:#fff5df;border:1px solid #e6cc95;border-radius:6px;margin-bottom:16px;font-size:13px;display:flex;align-items:center;gap:14px}.notice button{margin-left:auto}.notice.danger,.error-box{color:var(--red);background:#fff1f0;border:1px solid #eec4c0}.workspace{background:var(--paper);border:1px solid var(--line);border-radius:9px;overflow:hidden}.sheet-head{padding:21px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}.sheet-head p{font-size:12px;color:var(--muted);margin-top:4px}.sheet-actions{display:flex;gap:8px}.filters{display:flex;align-items:center;gap:16px;padding:13px 22px;background:#fafbfd;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.filters label{display:flex;gap:9px;align-items:center;font-size:12px;white-space:nowrap}.filters select{width:190px;padding:7px 9px}.filters input{width:240px;padding:7px 10px}.spacer{flex:1}#countLabel{color:var(--muted);font-size:12px;white-space:nowrap}.phase-tabs{display:flex;gap:22px;padding:0 22px;border-bottom:1px solid var(--line)}.phase-tabs button{border:0;background:none;border-radius:0;padding:14px 0;color:var(--muted);font-size:13px}.phase-tabs button[aria-selected=true]{color:#8a631e;border-bottom:3px solid var(--gold);font-weight:600}.phase-tabs small{display:block;font-weight:400;font-size:11px;margin-top:2px}
.table-scroll{overflow:auto;max-width:100%;overscroll-behavior-x:contain}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}th{color:#62758d;background:#f7f9fc;font-size:12px;font-weight:500;padding:11px 12px;border-bottom:1px solid var(--line);white-space:nowrap}td{border-bottom:1px solid #e5eaf1;padding:0;vertical-align:middle}tbody tr:last-child td{border-bottom:0}.list-table{min-width:980px}.list-table th:first-child{width:40px}.row-number{color:#98a5b6;text-align:center;font-size:11px;width:40px}.weekday-row th{background:#f2f0f7;color:#665088;padding:8px 17px;font-size:12px;font-weight:650}.weekday-row span{font-weight:400;margin-left:12px;color:#7d718d}.cell-button{display:block;width:100%;height:100%;min-height:56px;padding:10px 12px;border:0;border-radius:0;background:transparent;text-align:left;font-size:13px;white-space:normal}.cell-button:hover{background:#edf4fc;box-shadow:inset 0 0 0 1px #a8bfd9}.cell-button.title{font-weight:600;color:var(--navy);min-width:140px}.cell-button.note{color:#78869a;min-width:120px;max-width:190px}.cell-button small{display:block;font-weight:400;color:#7c889a;margin-top:2px}.class-tags{display:flex;gap:4px;flex-wrap:wrap;max-width:190px}.class-tags span{font-size:11px;color:#4a637e;background:#eff3f8;border-radius:3px;padding:2px 5px}.format-tag{font-size:11px;padding:3px 7px;border-radius:3px;background:#eef4fb;color:#3d6185}.edited td{background:#fffbeb}.edit-mark{font-size:10px;color:#966d16;margin-left:5px}.add-row{width:100%;border:0;border-top:1px dashed var(--line);border-radius:0;text-align:left;padding:13px 19px;color:var(--blue);background:#fff}.sheet-foot{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:12px 22px;font-size:11px;color:var(--muted)}.class-sheet+.class-sheet{border-top:8px solid var(--bg)}.class-heading{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid var(--line)}.class-heading span{font-size:12px;color:var(--muted)}.matrix{table-layout:fixed;min-width:800px}.matrix th{text-align:center;background:#fcfaf4;color:#8a702f}.matrix th:first-child{width:92px}.matrix td{border-right:1px solid var(--line);height:86px;vertical-align:top}.matrix td:last-child{border-right:0}.matrix .period{padding:15px 8px;text-align:center;color:var(--muted);font-size:12px;background:#fcfdff}.period small{display:block;margin-top:6px;font-size:10px;color:#8c99ab}.lesson-block{border:0;border-radius:0;background:#fff;width:100%;height:100%;min-height:86px;padding:15px 14px;text-align:left;white-space:normal;display:flex;flex-direction:column;justify-content:center;gap:5px}.lesson-block strong{color:var(--navy);font-size:14px;font-weight:600}.lesson-block span{font-size:12px;color:var(--muted)}.lesson-block small{font-size:11px;color:#8a702f}.lesson-block:hover{background:#f4f7fc;box-shadow:inset 0 0 0 2px #8eaac6}.lesson-block.changed{background:#fffbeb}.empty-slot{background:#fcfdff;color:#b2bfd0;text-align:center}.empty-slot:hover{color:var(--blue)}.empty{padding:45px 20px;text-align:center;color:var(--muted)}
.bottom-bar{position:fixed;bottom:0;left:204px;right:0;background:#fff;border-top:1px solid var(--line);padding:16px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px;z-index:3;box-shadow:0 -4px 20px #082f5f06}.bottom-bar strong{font-size:13px;font-weight:600}.state-dot{display:inline-block;background:#2c8862;width:7px;height:7px;border-radius:50%;margin-right:8px}.state-dot.dirty{background:#c18b24}#versionLabel{color:#8391a4;font-size:11px;margin-left:12px}#publishState{display:block;color:var(--muted);font-size:11px;margin:3px 0 0 15px}.bottom-actions{display:flex;gap:9px}
dialog{border:1px solid var(--line);border-radius:10px;width:min(700px,calc(100vw - 32px));max-height:88vh;padding:0;color:var(--ink);box-shadow:0 22px 70px #082f5f33;overflow:auto}dialog::backdrop{background:#12294366}dialog.quick{width:min(440px,calc(100vw - 32px))}dialog.wide-dialog{width:min(1000px,calc(100vw - 32px))}.modal-head{padding:20px 24px 16px;border-bottom:1px solid var(--line);display:flex;align-items:start;justify-content:space-between;gap:18px}.modal-head h2{font-size:19px}.modal-head p{margin-top:5px;font-size:12px;color:var(--muted)}.close-button{padding:2px 8px;border:0;font-size:23px;background:none;color:var(--muted)}.modal-body{padding:20px 24px}.modal-actions{position:sticky;bottom:0;background:white;border-top:1px solid var(--line);padding:15px 24px;display:flex;gap:9px;justify-content:flex-end;align-items:center;z-index:1}.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}.fields label{font-size:12px;color:var(--muted);display:block}.fields label input,.fields label select,.fields label textarea{display:block;margin-top:5px;color:var(--ink)}.wide-field{grid-column:1/-1}.help{font-size:12px;color:var(--muted);line-height:1.75;margin:10px 0}.error-box{padding:12px 15px;border-radius:5px;font-size:12px;margin-top:14px}.error-box ul{padding-left:18px;margin:0}.success-box{padding:12px 15px;border:1px solid #c7dfd1;background:#f0f8f3;color:var(--green);font-size:12px;border-radius:5px;margin-top:14px}.choice-list{display:flex;gap:8px 18px;flex-wrap:wrap;border:1px solid var(--line);padding:12px;border-radius:5px;margin-top:5px}.choice-list label{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink)}.choice-list label input{margin:0}.section-title{margin:23px 0 12px;padding-top:18px;border-top:1px solid var(--line)}.defaults-periods{display:grid;grid-template-columns:50px 1fr 1fr;gap:9px;align-items:center;font-size:12px}.paste-area{min-height:160px;white-space:pre;font-family:inherit;font-size:12px}.mini-table{min-width:600px}.mini-table th,.mini-table td{padding:9px 10px;border:1px solid var(--line);font-size:12px}.invalid-row{background:#fff2f0}.conflict-item{padding:16px 0;border-bottom:1px solid var(--line)}.conflict-item h3{font-size:14px}.conflict-item>p{font-size:12px;color:var(--muted);margin:5px 0 9px}.conflict-choices{display:grid;grid-template-columns:1fr 1fr;gap:12px}.conflict-choices label{display:flex;align-items:flex-start;gap:7px;border:1px solid var(--line);padding:12px;border-radius:5px;font-size:12px;overflow-wrap:anywhere}.conflict-choices input{flex:none}.conflict-choices strong{display:block;font-weight:600;margin-bottom:4px}.scope-note{padding:10px 13px;background:#f2f5fa;color:#4c637e;border-radius:5px;font-size:12px;margin-bottom:16px}.preview-tabs{display:flex;gap:12px;align-items:center;margin-bottom:16px}.preview-tabs select{width:180px}.diff-list{font-size:13px;padding-left:20px;line-height:1.9}#toast{position:fixed;bottom:88px;left:50%;transform:translateX(-50%);background:var(--navy);color:white;padding:11px 20px;border-radius:7px;z-index:20;max-width:85vw;box-shadow:0 5px 18px #082f5f22;font-size:13px}
@media(min-width:1600px){main{padding-left:44px;padding-right:44px}.cell-button{padding-top:14px;padding-bottom:14px}}
@media(max-width:1100px){.rail{width:174px;padding:25px 13px}.brand{font-size:16px}.brand-mark{width:30px;height:30px}main{margin-left:174px;padding:24px 20px 110px}.bottom-bar{left:174px;padding:14px 20px}.sheet-head{align-items:flex-start;flex-wrap:wrap}.filters{gap:10px}.filters input{width:190px}.page-head h1{font-size:24px}}
@media(max-width:700px){.rail{position:static;width:100%;padding:14px 16px;flex-direction:row;align-items:center;justify-content:space-between}.brand small,.rail-note,.rail nav a:not(.active){display:none}.rail nav{margin:0}.rail nav a{padding:6px 9px;font-size:11px}.rail nav span{margin-left:4px}.brand{font-size:15px}main{margin-left:0;padding:20px 12px 140px}.page-head{align-items:flex-start;flex-wrap:wrap;gap:13px}.page-head h1{font-size:23px}.page-head>button{font-size:12px}.breadcrumb{margin-bottom:6px}.subtitle{font-size:12px}.org-tabs{gap:20px;margin:17px 0}.org-tabs button{font-size:15px}.org-tabs button span{font-size:10px;margin-left:6px}.sheet-head{padding:16px 13px;gap:13px}.sheet-head h2{font-size:18px}.sheet-actions{width:100%;gap:6px}.sheet-actions button{font-size:12px;padding:7px 10px;flex:1}.filters{padding:12px 13px;flex-wrap:wrap}.filters label{flex:1}.filters select{width:100%;min-width:120px}.search-field{min-width:100%}.filters input{width:100%}#countLabel{display:none}.phase-tabs{padding:0 12px;gap:12px;overflow:auto}.phase-tabs button{font-size:11px;flex:none}.phase-tabs small{font-size:10px}.sheet-foot{padding:12px 13px;flex-direction:column;gap:3px}.bottom-bar{left:0;padding:12px 14px;flex-wrap:wrap;gap:10px}.bottom-bar>div:first-child{width:100%}.bottom-actions{width:100%}.bottom-actions button{flex:1;font-size:12px}.bottom-bar strong{font-size:12px}#publishState{display:inline;margin-left:12px;font-size:10px}.notice{flex-wrap:wrap;gap:10px}.notice button{margin:0}.modal-head,.modal-body{padding:17px}.modal-actions{padding:13px 17px;flex-wrap:wrap}.fields{gap:12px}.conflict-choices{grid-template-columns:1fr}.preview-tabs{flex-wrap:wrap}.class-heading{padding:13px}.class-heading h3{font-size:14px}.class-heading span{font-size:10px}.mini-table{font-size:11px}#toast{bottom:130px}.modal-actions button{padding:8px 10px}}
.mobile-hint{display:none}@media(max-width:700px){.mobile-hint{display:block;width:100%;font-size:11px;color:var(--muted)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}