:root{--bg:#f3f5fa;--panel:#fff;--panel-soft:#f8fafc;--ink:#172033;--ink-soft:#344054;--muted:#667085;--line:#e3e7f0;--line-strong:#cfd6e4;--brand:#1d4ed8;--brand-strong:#1e40af;--brand-soft:#e8eeff;--danger:#dc2626;--danger-soft:#fef2f2;--warn:#d97706;--warn-soft:#fffbeb;--ok:#0f766e;--ok-soft:#ecfdf5;--info:#0369a1;--info-soft:#f0f9ff;--radius:14px;--radius-sm:9px;--shadow:0 1px 2px #1018280a, 0 8px 24px #1018280d;--sans:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;font-family:var(--sans);color:var(--ink);background:var(--bg);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14.5px;line-height:1.45}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:radial-gradient(1200px 500px at 15% -10%, #1d4ed812, transparent 60%), var(--bg);color:var(--ink)}h1,h2,h3,h4,p{margin:0}button{font:inherit;color:inherit}a{color:var(--brand)}input,select,textarea{font:inherit;color:var(--ink)}code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}::selection{background:#1d4ed82e}.app{flex-direction:column;min-height:100vh;display:flex}.app-header{z-index:40;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);background:#ffffffeb;position:sticky;top:0}.app-header-inner{align-items:center;gap:20px;max-width:1580px;margin:0 auto;padding:10px 22px;display:flex}.brand{align-items:center;gap:12px;min-width:250px;display:flex}.brand-mark{color:#fff;letter-spacing:.5px;background:linear-gradient(135deg,#2563eb,#1e3a8a);border-radius:12px;place-items:center;width:42px;height:42px;font-size:14px;font-weight:800;display:grid;box-shadow:0 6px 14px #2563eb47}.brand h1{letter-spacing:-.01em;font-size:16px;font-weight:700}.brand p{color:var(--muted);font-size:12px}.main-nav{scrollbar-width:none;flex:1;gap:2px;display:flex;overflow-x:auto}.main-nav::-webkit-scrollbar{display:none}.nav-btn{color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:9px;padding:9px 13px;font-size:13.5px;font-weight:600;transition:background .15s,color .15s}.nav-btn:hover{background:var(--panel-soft);color:var(--ink)}.nav-btn.active{background:var(--brand-soft);color:var(--brand-strong)}.header-meta{color:var(--muted);white-space:nowrap;align-items:center;gap:6px;font-size:12px;display:flex}.dot-sep{opacity:.5}.restore-banner{max-width:1580px;color:var(--info);background:var(--info-soft);border-top:1px solid #dbeafe;align-items:center;gap:12px;margin:0 auto;padding:8px 22px;font-size:12.5px;display:flex}.restore-banner .link-btn{margin-left:auto}.app-main{flex:1;width:100%;max-width:1580px;margin:0 auto;padding:22px}.screen{flex-direction:column;gap:16px;display:flex}.section-title{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;display:flex}.section-title h2{letter-spacing:-.02em;font-size:22px;font-weight:750}.section-title p{margin-top:3px;font-size:13px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px}.card-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}.card-head h3{font-size:15px;font-weight:700}.two-col{grid-template-columns:1.05fr .95fr;gap:16px;display:grid}.row{align-items:center;display:flex}.row.gap{gap:8px}.row.wrap{flex-wrap:wrap}.grow{flex:1;min-width:0}.spacer{flex:1}.muted{color:var(--muted)}.small{font-size:12.5px}.text-ok{color:var(--ok)}.text-warn{color:var(--warn)}.text-danger{color:var(--danger)}.ellipsis{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.btn{border:1px solid var(--line-strong);min-height:36px;color:var(--ink-soft);cursor:pointer;white-space:nowrap;background:#fff;border-radius:9px;justify-content:center;align-items:center;gap:6px;padding:7px 14px;font-size:13.5px;font-weight:600;transition:background .15s,border-color .15s,box-shadow .15s,transform 50ms;display:inline-flex}.btn:hover:not(:disabled){background:var(--panel-soft);border-color:#b8c2d6}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 4px 12px #1d4ed838}.btn-primary:hover:not(:disabled){background:var(--brand-strong);border-color:var(--brand-strong)}.btn-danger-ghost{color:var(--danger);background:#fff;border-color:#fecaca}.btn-danger-ghost:hover:not(:disabled){background:var(--danger-soft);border-color:#fca5a5}.btn-small{min-height:30px;padding:4px 10px;font-size:12.5px}.btn-block{width:100%}.icon-btn{width:30px;height:30px;color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;place-items:center;font-size:13px;display:inline-grid}.icon-btn:hover{background:var(--panel-soft);color:var(--ink)}.icon-btn.danger:hover{background:var(--danger-soft);color:var(--danger)}.link-btn{color:var(--brand);cursor:pointer;background:0 0;border:0;padding:2px 0;font-size:13px;font-weight:600}.link-btn:hover{text-decoration:underline}.badge{color:var(--ink-soft);white-space:nowrap;background:#f2f4f7;border-radius:999px;align-items:center;gap:4px;padding:2px 8px;font-size:11.5px;font-weight:650;line-height:1.5;display:inline-flex}.badge-ok{background:var(--ok-soft);color:var(--ok)}.badge-warn{background:var(--warn-soft);color:var(--warn)}.badge-danger{background:var(--danger-soft);color:var(--danger)}.badge-info{background:var(--info-soft);color:var(--info)}.badge-brand{background:var(--brand-soft);color:var(--brand-strong)}.chip{color:var(--ink-soft);white-space:nowrap;background:#f2f4f7;border-radius:6px;align-items:center;padding:2px 8px;font-size:11.5px;font-weight:600;display:inline-flex}.chip-link{border:1px solid var(--line);cursor:pointer}.chip-link:hover{background:var(--brand-soft);color:var(--brand-strong);border-color:#c7d2fe}.class-chips{flex-wrap:wrap;gap:5px;display:flex}.chip-btn{border:1px solid var(--line);color:var(--ink-soft);cursor:pointer;background:#fff;border-radius:7px;padding:4px 9px;font-size:12.5px;font-weight:650;position:relative}.chip-btn:hover{background:var(--panel-soft);border-color:#b8c2d6}.chip-btn.active{background:var(--brand);border-color:var(--brand);color:#fff}.chip-btn.has-issue:after{content:"";background:var(--danger);border:1.5px solid #fff;border-radius:50%;width:7px;height:7px;position:absolute;top:-3px;right:-3px}.stats-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;display:grid}.stats-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.stat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;box-shadow:0 1px 2px #10182808}.stat-label{color:var(--muted);font-size:12px;font-weight:600}.stat-value{letter-spacing:-.02em;margin-top:3px;font-size:24px;font-weight:750;line-height:1.2}.stat-value.small-value{padding-top:5px;font-size:15px;font-weight:700;line-height:1.3}.stat-hint{color:var(--muted);margin-top:2px;font-size:11.5px}.stat-danger .stat-value{color:var(--danger)}.stat-warn .stat-value{color:var(--warn)}.stat-ok .stat-value{color:var(--ok)}.stat-brand .stat-value{color:var(--brand)}.toolbar{flex-wrap:wrap;align-items:center;gap:18px;padding:12px 16px;display:flex}.toolbar-group{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.toolbar-label{color:var(--muted);white-space:nowrap;font-size:12px;font-weight:650}.segmented{background:#eef1f7;border-radius:9px;gap:2px;padding:3px;display:inline-flex}.segmented button{color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:7px;padding:5px 11px;font-size:12.5px;font-weight:650}.segmented button:hover{color:var(--ink)}.segmented button.active{color:var(--brand-strong);background:#fff;box-shadow:0 1px 3px #1018281f}.segmented-standalone{padding:4px}.check-inline{color:var(--ink-soft);cursor:pointer;white-space:nowrap;align-items:center;gap:6px;font-size:12.5px;display:inline-flex}input[type=checkbox]{accent-color:var(--brand);width:15px;height:15px}select,input[type=text],input[type=number],input:not([type]){border:1px solid var(--line-strong);background:#fff;border-radius:8px;min-height:34px;padding:6px 9px;font-size:13px}select:focus,input:focus{border-color:#93b4ff;outline:2px solid #1d4ed829}.wide-select{min-width:320px}.num-input{text-align:right;width:72px}.text-input{width:130px}.text-input.wide{width:100%;min-width:150px}.class-head{flex-wrap:wrap;align-items:center;gap:20px;padding:14px 18px;display:flex}.class-head h3{font-size:18px}.class-head p{margin-top:2px;font-size:12.5px}.class-metrics{gap:22px;margin-left:auto;display:flex}.class-metrics>div{flex-direction:column;gap:1px;display:flex}.class-metrics span{color:var(--muted);font-size:11.5px}.class-metrics strong{font-size:17px}.banner{border-radius:10px;padding:9px 14px;font-size:12.5px}.banner.info{background:var(--info-soft);color:var(--info);border:1px solid #dbeafe}.tt-wrap{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;overflow:auto}.tt{border-collapse:collapse;table-layout:fixed;width:100%;min-width:860px}.tt th{border:1px solid var(--line);color:var(--ink-soft);z-index:3;background:#f7f9fc;padding:7px 6px;font-size:12px;font-weight:700;position:sticky;top:0}.tt-day-full{display:inline}.tt-day-short{display:none}.tt .tt-session{writing-mode:horizontal-tb;letter-spacing:.02em;width:54px;color:var(--brand-strong);z-index:2;background:#f2f6ff;font-size:11.5px;position:sticky;left:0}.tt .tt-session-C{color:#b45309;background:#fff8ec}.tt .tt-period{text-align:center;width:42px;color:var(--muted);z-index:2;background:#fbfcfe;font-weight:650;position:sticky;left:54px}.tt thead .tt-session,.tt thead .tt-period{z-index:4}.tt tbody tr.row-afternoon .tt-period{background:#fffcf6}.tt-cell{border:1px solid var(--line);vertical-align:top;cursor:pointer;height:70px;padding:6px 8px;transition:background .12s}.tt-cell:hover{background:#fafbff}.tt-cell[draggable=true]{cursor:grab}.tt-cell[draggable=true]:active{cursor:grabbing}.tt-cell-top{justify-content:space-between;align-items:flex-start;gap:4px;display:flex}.tt-subject{letter-spacing:-.01em;font-size:13px;font-weight:750;line-height:1.25}.tt-lock{opacity:.75;font-size:10px;line-height:1}.tt-teacher{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;margin-top:2px;font-size:11.5px;display:block;overflow:hidden}.tt-note{color:#6d28d9;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom;background:#f5f3ff;border-radius:4px;max-width:100%;margin-top:3px;padding:0 5px;font-size:10.5px;display:inline-block;overflow:hidden}.tt-cell.has-error{background:var(--danger-soft);box-shadow:inset 0 0 0 2px #dc26266b}.tt-cell.has-error:hover{background:#fde8e8}.tt-cell.has-warning{background:var(--warn-soft);box-shadow:inset 0 0 0 2px #d9770659}.tt-cell.has-info{background:#f7fbff}.tt-cell.is-dimmed{opacity:.32}.tt-empty{background:repeating-linear-gradient(135deg,#fbfcfe,#fbfcfe 6px,#f6f8fc 6px 12px)}.tt-empty-label{color:#a6afc0;font-size:11px;font-style:italic}.tt-empty.is-dimmed{opacity:.5}.tt-closed{border:1px solid var(--line);color:#8a94a6;text-align:center;background:#f1f5f9;font-size:11.5px;font-weight:650;line-height:1.6}.tt-closed small{font-size:10.5px;font-weight:500;display:block}.tt-compact .tt-cell{height:58px}.legend{flex-wrap:wrap;gap:8px 18px;padding:0 2px;display:flex}.legend-item{color:var(--muted);align-items:center;gap:6px;font-size:12px;display:inline-flex}.legend-item i{border-radius:3px;width:10px;height:10px;display:inline-block}.legend-empty{border:1px solid var(--line-strong);background:repeating-linear-gradient(135deg,#eef1f7,#eef1f7 3px,#fff 3px 6px)}.legend-error{background:var(--danger-soft);border:1px solid #fca5a5}.issue-list{flex-direction:column;gap:7px;display:flex}.issue-line{border-left:4px solid var(--line-strong);background:var(--panel-soft);border-radius:7px;padding:8px 11px;font-size:12.5px;line-height:1.45}.issue-error{border-left-color:var(--danger);background:var(--danger-soft)}.issue-warning{border-left-color:var(--warn);background:var(--warn-soft)}.issue-info{background:var(--info-soft);border-left-color:#38bdf8}.issue-head{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:3px;display:flex}.dialog-issues{flex-direction:column;gap:6px;margin-top:12px;display:flex}.mini-table{flex-direction:column;display:flex}.mini-row{border-bottom:1px dashed var(--line);grid-template-columns:1fr 64px 64px 52px;align-items:center;gap:8px;padding:6px 2px;font-size:12.5px;display:grid}.mini-row:last-child{border-bottom:0}.mini-head{color:var(--muted);border-bottom:1px solid var(--line);font-size:11.5px;font-weight:650}.rule-list{color:var(--ink-soft);flex-direction:column;gap:8px;margin:0;padding-left:18px;font-size:12.8px;display:flex}.rule-list li::marker{color:var(--brand)}.kv-list{flex-direction:column;gap:9px;display:flex}.kv-list>div{border-bottom:1px dashed var(--line);justify-content:space-between;gap:14px;padding-bottom:7px;font-size:12.5px;display:flex}.kv-list>div:last-child{border-bottom:0;padding-bottom:0}.kv-list span{color:var(--muted);flex-shrink:0}.kv-list strong{text-align:right;font-weight:650}.teacher-layout{grid-template-columns:300px minmax(0,1fr);align-items:start;gap:16px;display:grid}.side-card h3{margin-bottom:8px;font-size:13.5px}.side-card h3+h3{margin-top:16px}.subject-breakdown,.grade-sessions{flex-direction:column;gap:6px;display:flex}.subject-row{border-bottom:1px dashed var(--line);justify-content:space-between;align-items:center;gap:8px;padding-bottom:5px;font-size:12.5px;display:flex}.subject-row>span{color:var(--ink-soft);align-items:center;gap:6px;display:inline-flex}.subject-row i{border-radius:3px;width:9px;height:9px;display:inline-block}.side-note{background:var(--panel-soft);color:var(--muted);border-radius:8px;margin-top:14px;padding:9px 11px;font-size:12px}.side-card .btn-block{margin-top:14px}.table-card{padding:0;overflow:hidden}.table-card>.card-head{margin-bottom:10px;padding:14px 18px 0}.data-table{border-collapse:collapse;width:100%;font-size:12.8px}.data-table th{text-align:left;color:var(--muted);border-top:1px solid var(--line);border-bottom:1px solid var(--line);white-space:nowrap;background:#f8fafc;padding:8px 12px;font-weight:650}.data-table td{border-bottom:1px solid var(--line);vertical-align:middle;padding:7px 12px}.data-table tbody tr:hover{background:#fbfcfe}.data-table tbody tr:last-child td{border-bottom:0}.data-table .num,.data-table .num input{text-align:right}.row-error{background:var(--danger-soft)}.config-table select{width:100%;min-width:120px}.config-table .text-input{width:100%}.config-table-foot{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:14px;padding:10px 18px 14px;display:flex}.total-row td{background:#f8fafc;font-weight:750}.matrix-table .num-input{width:58px}.dot{border-radius:3px;width:8px;height:8px;margin-right:6px;display:inline-block}.inline-warn{color:var(--warn);margin-top:2px;font-size:10.5px}.diff-chips{flex-wrap:wrap;gap:6px;display:flex}.config-tabs{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:4px;display:flex}.config-tab{color:var(--muted);cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;margin-bottom:-1px;padding:9px 14px;font-size:13.5px;font-weight:650}.config-tab:hover{color:var(--ink)}.config-tab.active{color:var(--brand-strong);border-bottom-color:var(--brand)}.config-pane{flex-direction:column;gap:16px;display:flex}.config-list{flex-direction:column;gap:14px;display:flex}.check-row{cursor:pointer;align-items:flex-start;gap:10px;display:flex}.check-row>input{flex-shrink:0;margin-top:3px}.check-row>span{flex-direction:column;gap:1px;font-size:13px;display:flex}.check-row small{color:var(--muted);font-size:11.5px;font-weight:400}.inline-field{justify-content:space-between;align-items:center;gap:14px;font-size:13px;display:flex}.inline-field>span{flex-direction:column;gap:1px;display:flex}.inline-field small{color:var(--muted);font-size:11.5px}.time-config{flex-wrap:wrap;align-items:flex-end;gap:18px 28px;display:flex}.day-toggles{flex-wrap:wrap;gap:8px 14px;margin-top:5px;display:flex}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#0f172a6b;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{background:#fff;border-radius:16px;flex-direction:column;width:min(540px,100%);max-height:min(86vh,760px);display:flex;overflow:auto;box-shadow:0 24px 70px #0f172a4d}.modal-wide{width:min(820px,100%)}.modal-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:14px;padding:16px 18px 10px;display:flex}.modal-head h3{font-size:17px}.modal-head p{margin-top:2px;font-size:12.5px}.modal-body{flex-direction:column;gap:14px;padding:16px 18px;display:flex}.modal-foot{border-top:1px solid var(--line);align-items:center;gap:8px;padding:12px 18px 16px;display:flex}.dialog-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.field{flex-direction:column;gap:5px;display:flex}.field-label{color:var(--muted);font-size:12px;font-weight:650}.field-hint{color:var(--muted);font-size:11.5px}.field select,.field input{width:100%}.empty-state{text-align:center;border:1px dashed var(--line-strong);color:var(--muted);border-radius:10px;padding:22px}.app-footer{width:100%;max-width:1580px;color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:14px;margin:0 auto;padding:14px 22px 22px;font-size:11.5px;display:flex}.toast{z-index:120;color:#fff;background:#111827;border-radius:10px;max-width:min(420px,100vw - 44px);padding:11px 16px;font-size:13px;animation:.18s ease-out toast-in;position:fixed;bottom:22px;right:22px;box-shadow:0 14px 34px #0f172a52}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (width<=1300px){.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.stats-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (width<=1080px){.two-col,.teacher-layout{grid-template-columns:1fr}.side-card .btn-block{width:auto}.header-meta{display:none}.brand{min-width:0}.brand h1{font-size:14px}}@media (width<=820px){.app-main{padding:14px}.app-header-inner{flex-wrap:wrap;gap:8px;padding:9px 14px}.main-nav{flex:0 0 100%;order:3;width:100%}.app-header{position:static}.stats-grid,.stats-grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.section-title{flex-direction:column;align-items:flex-start}.class-head{align-items:flex-start}.class-metrics{margin-left:0}.dialog-grid{grid-template-columns:1fr}.tt-day-full{display:none}.tt-day-short{display:inline}.tt{min-width:720px}.wide-select{width:100%;min-width:0}.app-footer{padding:12px 14px 18px}}@media (width<=520px){.stats-grid,.stats-grid-4{grid-template-columns:1fr}.tt{min-width:660px}}