:root{--ink:#203c39;--muted:#76847f;--accent:#246c5d;--line:#e5e9e2;--bg:#f6f7f2;--orange:#dd8c58;--soft:#e8f1eb;--danger:#b34238;font-family:"Microsoft YaHei","Segoe UI",sans-serif;color:var(--ink);background:var(--bg);font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0;border-radius:9px;padding:11px 17px;background:var(--accent);color:white;font-weight:600}button:hover{filter:brightness(.95)}button:disabled{opacity:.5;cursor:wait}.secondary{background:white;border:1px solid var(--line);color:var(--ink)}.ghost{background:transparent;color:var(--muted);padding:8px}.warn{color:var(--danger)}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #dce3da;border-radius:8px;background:white;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:2px solid #a7caba;outline-offset:1px}textarea{min-height:100px;resize:vertical}label{display:block;font-size:13px;margin:13px 0 6px}small,.muted{color:var(--muted);line-height:1.7}.shell{display:grid;grid-template-columns:222px 1fr;min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:28px 18px;position:fixed;width:222px;height:100vh;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:0 10px 30px}.logo{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--accent);color:white;font-size:22px}.brand b{font-size:21px;letter-spacing:2px}.brand small{display:block;font-size:10px;letter-spacing:2px}.navgroup{font-size:10px;letter-spacing:2px;color:#99a59f;padding:16px 13px 8px}.nav{display:flex;align-items:center;gap:13px;width:100%;text-align:left;color:#6a7b73;background:transparent;padding:13px;margin:3px 0;font-weight:500}.nav.active{background:var(--soft);color:var(--accent);font-weight:700}.nav i{font-style:normal;font-size:18px;width:22px;text-align:center}.sidefoot{margin-top:auto;padding:16px 10px;border-top:1px solid var(--line)}.avatar{width:35px;height:35px;border-radius:50%;background:#dce9de;display:inline-grid;place-items:center;vertical-align:middle;margin-right:8px}.sidefoot .ghost{float:right}.main{grid-column:2;padding:0 38px 40px;max-width:1550px;width:100%;margin:auto}.topbar{height:86px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.topbar strong{font-size:14px}.status{font-size:12px;color:var(--accent);display:flex;align-items:center;gap:7px}.dot{width:6px;height:6px;border-radius:50%;background:#579679}.pagehead{display:flex;align-items:center;justify-content:space-between;margin:29px 0 24px;gap:20px}h1{font-size:26px;margin:0 0 9px;font-weight:650}h2{font-size:17px;margin:0}h3{font-size:15px;margin:0 0 10px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--accent);margin-bottom:10px}.hero{display:flex;justify-content:space-between;background:#e9f0e7;border-radius:16px;padding:25px 30px;margin-bottom:22px;position:relative;overflow:hidden}.hero h2{font-size:22px;line-height:1.5}.hero p{color:#6c8073;font-size:13px;line-height:1.8;margin:8px 0 0}.hero-art{width:180px;position:relative;display:flex;align-items:center;justify-content:center;font-size:53px;color:#578a6c;letter-spacing:-15px}.hero-art::before{content:'';width:116px;height:116px;border-radius:50%;position:absolute;background:#d9e7d4;right:10px}.hero-art span{position:relative;letter-spacing:0;font-size:65px;transform:rotate(-8deg)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:23px}.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.stat .label{color:var(--muted);font-size:12px;display:flex;justify-content:space-between}.stat strong{display:block;font-size:30px;margin:12px 0 6px;font-weight:600}.stat small{font-size:11px}.grid{display:grid;grid-template-columns:1.45fr 1fr;gap:22px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:23px;margin-bottom:22px}.cardhead{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:18px}.badge{font-size:11px;background:var(--soft);color:var(--accent);border-radius:6px;padding:5px 8px;display:inline-block}.badge.orange{background:#fbefe5;color:#ac6939}.badge.red{background:#fae9e7;color:#a54c43}.empty{text-align:center;padding:34px 18px;color:var(--muted);line-height:1.9}.empty .symbol{font-size:28px;display:block;margin-bottom:8px;color:#b7c9bd}.row{display:flex;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid #f0f2ed}.row:last-child{border-bottom:0}.rowmain{flex:1;min-width:0}.rowmain strong{font-size:13px;font-weight:500}.rowmain small{display:block;font-size:11px;margin-top:4px}.check{width:19px;height:19px;padding:0;background:white;border:1px solid #c9d6cd;border-radius:6px;flex-shrink:0}.check.done{background:var(--accent);color:white}.done-text{text-decoration:line-through;color:var(--muted)}.quick{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.quick button{background:#f7f9f5;border:1px solid var(--line);color:var(--ink);text-align:left;padding:18px 14px;font-size:13px}.quick button span{display:block;font-size:11px;color:var(--muted);font-weight:400;margin-top:7px}.toolbar{display:flex;gap:12px;margin-bottom:18px;align-items:center;flex-wrap:wrap}.toolbar input{max-width:310px}.toolbar select{width:auto;min-width:130px}.tablewrap{overflow:auto}table{width:100%;border-collapse:collapse;white-space:nowrap;font-size:13px}th{text-align:left;font-size:11px;font-weight:500;color:var(--muted);background:#f7f9f5;padding:13px}td{padding:15px 13px;border-bottom:1px solid #edf0e9}td .ghost{font-size:12px;color:var(--accent)}.stack{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.notice{padding:14px 17px;background:#f9f3e8;border-radius:10px;font-size:12px;color:#927243;line-height:1.9;margin:15px 0}.notice.good{background:var(--soft);color:var(--accent)}.notecontent{white-space:pre-wrap;word-break:break-word;font-size:13px;line-height:1.8;color:#596e62}.record{padding:18px 0;border-bottom:1px solid var(--line)}.record:last-child{border-bottom:0}.record .meta{display:flex;justify-content:space-between;margin-bottom:10px;gap:10px}.auth{min-height:100vh;display:grid;grid-template-columns:1.2fr 1fr}.auth-story{background:#e7eee3;padding:70px 9%;display:flex;flex-direction:column;justify-content:center}.auth-story .brand{padding-left:0}.auth-story h1{font-size:42px;line-height:1.55;margin:20px 0}.auth-story p{font-size:15px;line-height:2;color:#718273}.auth-box{padding:60px 13%;display:flex;justify-content:center;flex-direction:column}.auth-box h2{font-size:26px;margin-bottom:10px}.auth-box form{margin-top:20px}.auth-box form button{width:100%;margin-top:22px}.auth-tabs{display:flex;gap:10px;margin-top:25px}.auth-tabs button{flex:1;background:transparent;color:var(--muted);border-bottom:2px solid transparent;border-radius:0}.auth-tabs .active{border-color:var(--accent);color:var(--accent)}.error{color:var(--danger);font-size:12px;line-height:1.8;margin-top:10px;white-space:pre-wrap}.splitform{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.span2{grid-column:span 2}.formfooter{display:flex;gap:10px;justify-content:flex-end;margin-top:23px}dialog{border:1px solid var(--line);border-radius:16px;padding:27px;width:min(640px,94vw);max-height:90vh;color:var(--ink);box-shadow:0 20px 80px #203c3930}dialog::backdrop{background:#16342b66;backdrop-filter:blur(2px)}.modalhead{display:flex;justify-content:space-between;align-items:center}dialog h2{font-size:21px}dialog .tablewrap{max-height:260px;overflow:auto}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#254d40;color:white;padding:13px 23px;border-radius:10px;box-shadow:0 5px 20px #0002;display:none;z-index:5;max-width:90vw}.seats{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.seat{border:1px solid var(--line);padding:12px;border-radius:10px;background:#f8faf6;text-align:center}.seat label{margin:0 0 7px;font-size:10px;color:var(--muted)}.seat select{font-size:12px;padding:8px}.podium{width:200px;border-radius:8px;background:var(--soft);padding:10px;text-align:center;margin:0 auto 25px;color:var(--accent)}.week{display:grid;grid-template-columns:repeat(7,1fr);gap:10px}.day{padding:12px 8px;border-radius:9px;background:#f7f9f5;min-height:150px}.day h3{font-size:12px;text-align:center;color:var(--muted)}.lesson{font-size:12px;padding:10px 7px;background:white;border-left:2px solid var(--accent);margin:8px 0;line-height:1.6}.chart{width:100%;height:145px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.syncdate{color:var(--muted);font-size:11px;margin-top:5px}.footer{font-size:11px;color:#9aa69d;text-align:center;padding:20px}.detail{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}.detail div{background:#f7f9f5;padding:13px;border-radius:9px}.detail small{display:block}.print-only{display:none}@media(min-width:1500px){.main{padding-left:55px;padding-right:55px}}@media(max-width:1050px){.main{padding:0 22px 25px}.sidebar{width:190px}.shell{grid-template-columns:190px 1fr}.stats{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}.settings-grid{grid-template-columns:1fr}.week{grid-template-columns:repeat(4,1fr)}}@media(max-width:650px){.shell{display:block}.sidebar{position:sticky;top:0;height:auto;width:100%;padding:10px;background:#fff;z-index:2;display:block;border-bottom:1px solid var(--line)}.sidebar .brand,.sidebar .navgroup,.sidefoot{display:none}.sidebar nav{display:flex;overflow:auto}.nav{white-space:nowrap;width:auto;flex-shrink:0;padding:9px 12px;font-size:12px;gap:5px}.nav i{font-size:14px}.main{padding:0 16px 20px}.topbar{height:60px}.topbar strong{max-width:180px;font-size:12px}.status{font-size:10px}.pagehead{margin:20px 0;align-items:flex-start}.pagehead h1{font-size:23px}.pagehead button{font-size:11px;padding:10px}.hero{padding:20px}.hero h2{font-size:18px}.hero-art{display:none}.stats{gap:10px}.stat{padding:14px}.stat strong{font-size:25px}.card{padding:17px}.auth{display:block}.auth-story{padding:25px}.auth-story h1{font-size:26px;margin:0}.auth-story p{font-size:12px}.auth-story .brand{padding-bottom:14px}.auth-box{padding:28px}.seats{grid-template-columns:repeat(3,1fr)}.week{grid-template-columns:repeat(2,1fr)}.splitform{display:block}.toolbar input{max-width:100%}.detail{grid-template-columns:1fr}.eyebrow{display:none}}@media print{.sidebar,.topbar,.toolbar,.pagehead button,.footer,.ghost,.formfooter{display:none!important}.shell{display:block}.main{padding:0}.card{border:0}.seat select{appearance:none;border:0}.print-only{display:block}.seats{grid-template-columns:repeat(6,1fr)}}
/* Editing layouts */
.week-editor{min-width:780px;table-layout:fixed}.week-editor th{width:100px}.week-editor td{padding:5px}.week-editor input{padding:12px 6px;text-align:center;border:1px solid transparent;background:#f5f8f3}.week-editor input:focus{border-color:#246c5d;background:white}.rule-row input{min-width:78px;padding:9px}.rule-row td{padding:7px}.rule-name{min-width:120px!important}.seat-controls label{width:90px;margin:0;font-size:12px}.seat-controls input{margin-top:5px}.seat-board{border-collapse:separate;border-spacing:9px;table-layout:fixed;min-width:640px}.seat-board td{height:108px;padding:9px;border:1px dashed #cbd8cc;border-radius:12px;text-align:center;vertical-align:top;background:#f7faf5;white-space:normal}.seat-number{font-size:11px;color:#91a093;margin-bottom:8px}.student-tile{width:100%;min-width:62px;min-height:65px;border:1px solid #c8dcd0;background:#e4f0e8;color:#224d3d;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:9px;cursor:grab;user-select:none}.student-tile strong{font-size:16px}.student-tile small{font-size:10px;color:#658172}.student-tile:active{cursor:grabbing}.student-tile.selected{outline:3px solid #47866b}.drag-over{outline:3px solid #83b69a;background:#d8e9dd!important}.dragging{opacity:.4}.empty-seat{font-size:12px;color:#a0ada1;line-height:50px}.unassigned{border:1px dashed #bdcdbf;border-radius:12px;margin-top:24px;padding:20px;background:#fafbf8}.tile-pool{display:flex;gap:12px;flex-wrap:wrap}.tile-pool .student-tile{width:100px}#seat-print-frame{width:100%;height:60vh;border:1px solid #ddd;background:white}dialog:has(#seat-print-frame){width:min(1100px,95vw)}dialog:has(#rule-rows){width:min(780px,95vw)}@media print{body:has(#seat-card) .main>*:not(#page-content),body:has(#seat-card) #page-content>*:not(#seat-card){display:none!important}#seat-card .toolbar,#seat-card .muted,#seat-card .unassigned{display:none!important}.seat-board{min-width:0;border-collapse:collapse}.seat-board td{border:1px solid #333;border-radius:0;height:65px}.student-tile{border:0;background:white;min-height:35px}.seat-number{display:none}.seat-board .student-tile small{display:block}.seat-board{border-spacing:0}}
.cert-item{border-top:1px solid #e5e9e7;padding:22px 0}.cert-check{display:flex;align-items:center;gap:10px;margin:0}.cert-check input{width:18px;min-width:18px;height:18px;margin:0}.cert-file{display:flex;align-items:center;flex-wrap:wrap;gap:5px;max-width:100%;overflow-wrap:anywhere}.cert-notes{white-space:pre-wrap;overflow-wrap:anywhere}.cert-preview{display:block;width:100%;max-height:65vh;object-fit:contain;border:0}iframe.cert-preview{height:65vh}.cert-item .stack{margin-top:12px}.cert-item strong{overflow-wrap:anywhere}#cert-search{max-width:100%}@media(max-width:600px){.cert-item .toolbar{align-items:flex-start;gap:8px}.cert-file{font-size:13px}}