:root{--primary: #2563eb;--primary-text: color-mix(in srgb, var(--primary), #000 12%);--primary-tint: color-mix(in srgb, var(--primary) 10%, transparent);--on-primary: #fff;--bg: #f3f5f9;--surface: #fff;--surface-2: #f6f8fb;--border: #e2e8f0;--text: #0f172a;--muted: #5b6577;--faint: #78839a;--break: #34d399;--break-text: #047857;--lunch: #2dd4bf;--lunch-text: #0f766e;--exam: #f59e0b;--exam-text: #b45309;--club: #a78bfa;--club-text: #6d28d9;--holiday: #64748b;--online: #34d399;--danger: #ef4444;--danger-text: #dc2626;--r-chip: 8px;--r-btn: 10px;--r-row: 12px;--r-card: 14px;--r-hero: 16px;color-scheme:light;accent-color:var(--primary)}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:var(--bg);color:var(--text);font-family:Inter,Manrope,system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}.tnum{font-variant-numeric:tabular-nums}.muted{color:var(--muted)}.faint{color:var(--faint)}a{color:var(--primary-text);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0}.page-head{display:flex;align-items:center;gap:12px;padding:18px 24px;background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap}.page-head .titles{flex:1;min-width:200px}.page-head h1{font-size:20px;font-weight:700}.page-head .sub{color:var(--muted);font-size:13px;margin-top:2px}.page-head .actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.page-body{padding:24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card)}.card>.card-head{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid var(--border)}.card>.card-head h2{font-size:15px;font-weight:700;flex:1}.card>.card-head .hint{color:var(--muted);font-size:13px;font-weight:400;margin-left:8px}.card>.card-body{padding:18px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 14px;border-radius:var(--r-btn);border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-weight:500;cursor:pointer;white-space:nowrap;transition:background .12s,border-color .12s}.btn:hover:not(:disabled){background:var(--surface-2)}.btn:disabled{opacity:.55;cursor:default}.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.btn.primary{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.btn.primary:hover:not(:disabled){background:var(--primary-text)}.btn.danger{color:var(--danger-text);border-color:color-mix(in srgb,var(--danger) 35%,var(--border))}.btn.danger-solid{background:var(--danger-text);border-color:var(--danger-text);color:#fff}.btn.link{border-color:transparent;background:transparent;color:var(--primary-text);padding:0 6px}.btn.sm{height:30px;padding:0 10px;font-size:13px}.btn.icon{width:32px;height:32px;padding:0}.btn.block{width:100%}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field>label{font-size:13px;font-weight:600;color:var(--muted)}.field .error{color:var(--danger-text);font-size:13px;display:flex;gap:6px;align-items:flex-start}.input,select.input,textarea.input{height:38px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-btn);background:var(--surface-2);color:var(--text);font:inherit;width:100%}.input:focus,select.input:focus,textarea.input:focus{outline:none;border-color:var(--primary);background:var(--surface);box-shadow:0 0 0 3px var(--primary-tint)}.input.invalid,select.input.invalid,textarea.input.invalid{border-color:var(--danger);background:var(--surface)}textarea.input{height:auto;min-height:80px;padding:10px 12px;resize:vertical}.row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-error{padding:10px 12px;border-radius:var(--r-btn);background:color-mix(in srgb,var(--danger) 8%,var(--surface));color:var(--danger-text);font-size:13px;margin-bottom:14px}.note{display:flex;gap:8px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--r-btn);background:var(--surface-2);color:var(--muted);font-size:13px;margin-bottom:14px}.table{width:100%;border-collapse:collapse}.table th{text-align:left;font-size:12px;font-weight:600;color:var(--muted);padding:10px 16px;background:var(--surface-2);border-bottom:1px solid var(--border)}.table td{padding:12px 16px;border-bottom:1px solid var(--border);vertical-align:middle}.table tr:last-child td{border-bottom:0}.table tbody tr:hover td{background:var(--surface-2)}.table .actions{text-align:right;white-space:nowrap}.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--surface-2);color:var(--muted);white-space:nowrap}.pill.with-dot:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}.pill.online{background:color-mix(in srgb,var(--online) 15%,var(--surface));color:var(--break-text)}.pill.offline{background:color-mix(in srgb,var(--danger) 12%,var(--surface));color:var(--danger-text)}.pill.unpaired{color:var(--muted)}.pill.lesson{background:var(--primary-tint);color:var(--primary-text)}.pill.exam{background:color-mix(in srgb,var(--exam) 16%,var(--surface));color:var(--exam-text)}.pill.break{background:color-mix(in srgb,var(--break) 16%,var(--surface));color:var(--break-text)}.pill.club{background:color-mix(in srgb,var(--club) 16%,var(--surface));color:var(--club-text)}.pill.caps{text-transform:uppercase;letter-spacing:.06em;font-size:11px}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--primary);flex:none}.segment{display:inline-flex;padding:3px;border:1px solid var(--border);border-radius:var(--r-btn);background:var(--surface)}.segment button{border:0;background:transparent;font:inherit;padding:6px 14px;border-radius:var(--r-chip);cursor:pointer;color:var(--muted);font-weight:500}.segment button.on{background:var(--surface-2);color:var(--text);font-weight:600;box-shadow:0 0 0 1px var(--border)}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip-toggle{border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:6px 16px;font:inherit;font-weight:500;cursor:pointer;color:var(--muted)}.chip-toggle.on{border-color:var(--primary);background:var(--primary-tint);color:var(--primary-text)}.layout-with-panel{display:grid;grid-template-columns:1fr 360px;gap:20px;align-items:start}.side-panel{position:sticky;top:16px}.side-panel .card-head .btn.icon{margin-left:auto}.side-panel .buttons{display:flex;gap:8px;margin-top:6px}.side-panel .buttons>.btn.primary{flex:1}.backdrop{position:fixed;inset:0;background:#0f172a73;display:grid;place-items:center;z-index:50;padding:16px}.modal{background:var(--surface);border-radius:var(--r-hero);width:min(560px,100%);max-height:calc(100vh - 32px);overflow:auto;padding:24px;box-shadow:0 20px 60px #0f172a40}.modal .modal-head{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px}.modal .modal-head h2{font-size:18px;flex:1}.modal .buttons{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.empty{text-align:center;padding:40px 16px;color:var(--muted)}.empty .title{color:var(--text);font-weight:600;font-size:15px;margin-bottom:4px}.toast-host{position:fixed;right:20px;bottom:20px;display:flex;flex-direction:column;gap:8px;z-index:60}.toast{background:var(--text);color:#fff;border-radius:var(--r-row);padding:12px 16px;min-width:260px;box-shadow:0 10px 30px #0f172a4d;font-weight:500}.toast.error{border-left:4px solid var(--danger)}.toast.ok{border-left:4px solid var(--online)}.loading{padding:40px;text-align:center;color:var(--muted)}@media(max-width:1100px){.layout-with-panel{grid-template-columns:1fr}.side-panel{position:static}}@media(max-width:640px){.page-head,.page-body{padding-left:16px;padding-right:16px}.row-2{grid-template-columns:1fr}}@media print{.no-print{display:none!important}}