:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f6f7f9;--panel:#fff;--panel-strong:#f0f5ff;--border:#d9dee8;--text:#162033;--muted:#62708a;--accent:#1d6f8f;--accent-dark:#15566f;--danger:#b42318;--warning:#9a6700;--success:#1f7a4f}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.admin-shell{grid-template-columns:220px minmax(0,1fr);min-height:100vh;display:grid}.admin-sidebar{border-right:1px solid var(--border);color:#edf2f7;background:#101928;padding:24px 16px}.brand{gap:4px;margin-bottom:28px;display:grid}.brand strong{font-size:18px}.brand span{color:#b7c2d6;font-size:13px}.admin-nav{gap:6px;display:grid}.admin-nav a{color:#d8e0ef;border-radius:6px;padding:10px 12px}.admin-nav a:hover{color:#fff;background:#1d2b43}.admin-main{min-width:0;padding:28px}.page{gap:20px;display:grid}.page-header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.page-header h1{margin:0 0 8px;font-size:28px;line-height:1.2}.page-header p,.muted{color:var(--muted);margin:0}.toolbar,.filters{background:var(--panel);border:1px solid var(--border);border-radius:8px;flex-wrap:wrap;align-items:center;gap:12px;padding:14px;display:flex}.field{gap:6px;min-width:180px;display:grid}.field label{color:var(--muted);font-size:12px}.field.wide{flex:320px}.field input,.field select,.field textarea{border:1px solid var(--border);border-radius:6px;min-height:36px;padding:7px 10px}.field textarea{resize:vertical;min-height:76px}.button,button{background:var(--accent);border:1px solid var(--accent);color:#fff;cursor:pointer;border-radius:6px;align-items:center;min-height:36px;padding:8px 12px;font-weight:650;display:inline-flex}.button.secondary,button.secondary{border-color:var(--border);color:var(--text);background:#fff}button:disabled{color:#78869d;cursor:not-allowed;background:#d9dee8;border-color:#d9dee8}button.danger-button{color:var(--danger);background:#fff;border-color:#f4b4ad}button.danger-button:hover{background:#fff4f2}.compact-button{min-height:32px;padding:6px 10px}.counter-grid{grid-template-columns:repeat(6,minmax(120px,1fr));gap:12px;display:grid}.counter{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:14px}.counter span{color:var(--muted);margin-bottom:6px;font-size:12px;display:block}.counter strong{font-size:24px}.info-panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:16px;padding:16px;display:grid}.info-panel.compact{grid-template-columns:1fr}.info-panel h2{margin:0 0 10px;font-size:16px}.toast{background:var(--panel);border:1px solid var(--border);z-index:20;border-radius:8px;gap:8px;max-width:min(520px,100vw - 32px);padding:14px 48px 14px 16px;display:grid;position:fixed;top:72px;right:16px}.toast.danger{color:var(--danger);background:#fff4f2;border-color:#f4b4ad}.toast strong{font-size:14px}.toast ul{margin:0;padding-left:20px}.toast-close{color:inherit;background:0 0;border:0;min-width:28px;min-height:28px;padding:0;position:absolute;top:10px;right:10px}.flow-list{color:var(--muted);gap:6px;margin:0;padding-left:20px;display:grid}.legend-grid{color:var(--muted);grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.legend-grid strong{color:var(--text)}.error-banner{color:var(--danger);background:#fee4e2;border:1px solid #fda29b;border-radius:8px;padding:12px 14px;font-weight:650}.identity-panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;gap:16px;padding:16px;display:grid}.identity-panel-header{justify-content:space-between;align-items:start;gap:12px;display:flex}.identity-panel-header h2,.identity-section h3{margin:0}.identity-panel-header p{color:var(--muted);margin:6px 0 0}.identity-section{gap:10px;display:grid}.identity-section h3{font-size:14px}.identity-list{gap:8px;display:grid}.identity-row{border:1px solid var(--border);background:#f8fafc;border-radius:8px;grid-template-columns:minmax(120px,.8fr) minmax(280px,2fr);align-items:center;gap:10px;padding:12px;display:grid}.identity-row>div:first-child{gap:4px;display:grid}.identity-row span{color:var(--muted);font-size:12px}.identity-row select,.identity-row input{border:1px solid var(--border);border-radius:6px;min-width:180px;min-height:34px;padding:6px 9px}.status{border-radius:999px;padding:4px 9px;font-size:12px;font-weight:700;display:inline-flex}.status.ok{color:var(--success);background:#e8f7ef}.status.warn{color:var(--warning);background:#fff3cf}.status.danger{color:var(--danger);background:#fee4e2}.table-wrap{background:var(--panel);border:1px solid var(--border);border-radius:8px;overflow-x:auto}.data-table{border-collapse:collapse;width:100%;min-width:760px}.data-table th,.data-table td{border-bottom:1px solid var(--border);text-align:left;vertical-align:top;overflow-wrap:anywhere;padding:12px 14px}.data-table th{color:var(--muted);white-space:nowrap;background:#f8fafc;font-size:12px;font-weight:700}.data-table tr:last-child td{border-bottom:0}.calendar-toolbar{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.week-calendar{background:var(--panel);border:1px solid var(--border);border-radius:8px;overflow:hidden}.calendar-scroll{overflow:auto}.calendar-grid{grid-template-columns:76px repeat(7,minmax(180px,1fr));min-width:1336px;display:grid}.calendar-head{border-bottom:1px solid var(--border);z-index:2;background:#f8fafc;position:sticky;top:0}.time-corner,.time-axis{border-right:1px solid var(--border);z-index:3;background:#f8fafc;position:sticky;left:0}.day-head{border-left:1px solid #e7ebf2;flex-direction:column;justify-content:center;align-items:center;gap:4px;min-height:76px;padding:12px 8px;display:flex}.day-head strong{font-size:14px}.day-head span{color:var(--muted);font-size:12px}.calendar-body{height:1152px;position:relative}.time-axis{z-index:1}.time-row{color:var(--muted);border-bottom:1px solid #e8edf4;padding:0 8px;font-size:12px;position:relative}.time-row span{position:absolute;top:-8px}.day-lane{background-image:repeating-linear-gradient(#e8edf4 0 1px,#0000 1px 72px);border-left:1px solid #edf2f7;min-width:0;position:relative}.calendar-lesson{border:0;border-left:4px solid var(--success);color:var(--text);cursor:pointer;text-align:left;background:#e8f7ef;border-radius:6px;align-content:start;gap:1px;min-height:0;padding:6px 8px;display:grid;position:absolute;left:6px;right:6px;overflow:hidden;box-shadow:0 4px 10px #10192814}.calendar-lesson:hover{background:#def4e9}.calendar-lesson strong,.calendar-lesson span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.calendar-lesson strong{font-size:13px}.calendar-lesson>span{color:var(--muted);font-size:12px}.calendar-lesson .status{justify-self:start;margin-top:1px;padding:2px 7px}.row-actions{flex-wrap:wrap;gap:8px;display:flex}.row-actions.end{justify-content:flex-end}.row-actions.stacked{flex-direction:column;align-items:flex-start}.row-actions form{flex-wrap:wrap;gap:8px;display:flex}.inline-edit-form,.inline-confirm-form{gap:8px;min-width:220px;display:grid}.inline-confirm-form span{color:var(--danger);font-weight:650}.row-actions input,.row-actions select{border:1px solid var(--border);border-radius:6px;min-width:136px;min-height:34px;padding:6px 9px}.inline-field{align-items:center;gap:6px;display:inline-flex}.inline-field span{color:var(--muted);white-space:nowrap;font-size:12px}.note-stack{gap:6px;display:grid}.conflict-list{color:var(--muted);gap:4px;margin:0;padding-left:18px;display:grid}.student-feedback-list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.student-feedback-item{border:1px solid var(--border);border-radius:8px;gap:10px;padding:12px;display:grid}.student-feedback-summary{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.student-feedback-summary span:first-child{color:var(--muted);font-size:12px}.student-feedback-fields{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;display:grid}.feedback-field{border:1px solid var(--border);background:#f8fafc;border-radius:6px;gap:4px;min-width:0;padding:8px;display:grid;position:relative}.feedback-field-label{color:var(--muted);font-size:12px}.feedback-field-value{text-overflow:ellipsis;white-space:nowrap;outline:none;min-width:0;font-size:13px;display:block;overflow:hidden}.feedback-field:after{color:#fff;content:attr(data-tooltip);opacity:0;pointer-events:none;visibility:hidden;white-space:normal;z-index:30;background:#101928;border-radius:6px;max-width:min(360px,70vw);padding:8px 10px;line-height:1.5;transition:opacity 80ms,transform 80ms;position:absolute;top:calc(100% + 6px);left:0;transform:translateY(-2px);box-shadow:0 10px 30px #1019282e}.feedback-field:hover:after,.feedback-field:focus-within:after{opacity:1;visibility:visible;transition-delay:80ms;transform:translateY(0)}.table-input{border:1px solid var(--border);border-radius:6px;width:100%;min-width:150px;min-height:34px;padding:6px 9px}.modal-backdrop{z-index:20;background:#1019283d;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.small-dialog{background:var(--panel);border:1px solid var(--border);border-radius:8px;width:min(100%,520px);max-width:520px;box-shadow:0 18px 48px #1019282e}.feedback-list-dialog{width:min(100%,920px);max-width:920px}.dialog-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.dialog-header>div{min-width:0}.dialog-header h2{margin:0;font-size:18px}.dialog-header .compact-button{white-space:nowrap;flex:none}.dialog-content{gap:8px;padding:16px;display:grid}.dialog-content p{margin:0}.dialog-form{gap:12px;padding:16px;display:grid}.dialog-form p{margin:0}.dialog-warning{color:var(--danger);font-weight:650}.empty-state{color:var(--muted);text-align:center;padding:28px}@media (max-width:900px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{border-right:0;padding:16px}.admin-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-main{padding:18px}.counter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.info-panel,.identity-row,.legend-grid{grid-template-columns:1fr}.identity-panel-header{flex-direction:column;align-items:stretch}}