:root{--bg:#f4f6f8;--ink:#172d35;--muted:#73858c;--line:#e3e9eb;--green:#147d72;--light:#e5f3ee;--orange:#e8ad6c;--shadow:0 10px 35px #17303908}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px 'Segoe UI',Arial,sans-serif}button,input,select,textarea{font:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:var(--green);text-decoration:none}h1,h2,h3,p{margin-top:0}h1{font-size:28px;letter-spacing:-1px;margin-bottom:0}h2{font-size:21px;letter-spacing:-.5px}h3{font-size:16px}.sidebar{width:235px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);padding:30px 20px;display:flex;flex-direction:column}.brand{font-size:44px;letter-spacing:-3px;font-weight:800;color:#183c42;display:inline-block;line-height:1}.brand span{font-weight:500}.brand i{color:#63b7a2;font-size:14px;letter-spacing:0;margin-left:4px}.workspace{margin:38px 0 24px;padding:14px 10px;background:#f5f8f8;border-radius:10px;color:var(--muted);font-size:9px;letter-spacing:1px}.workspace strong{display:block;font-size:13px;letter-spacing:0;color:var(--ink);margin-top:7px}nav button{display:flex;gap:13px;align-items:center;border:0;background:none;color:#667b83;padding:14px 12px;width:100%;border-radius:8px;text-align:left;margin-bottom:5px}nav button:hover,nav button.active{background:var(--light);color:var(--green)}nav button.active{font-weight:600}.nav-caption{font-size:10px;letter-spacing:1px;color:#9aa8ae;margin:25px 12px 12px}.sidebar-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:20px;display:flex;gap:10px;align-items:center}.avatar{background:#e8eeee;padding:12px 9px;border-radius:10px;font-size:12px;font-weight:700}.sidebar-bottom small{display:block;color:var(--muted);font-size:11px;margin-top:4px}.sidebar-bottom form{margin-left:auto}.sidebar-bottom button{border:0;background:none;color:var(--muted)}.shell{margin-left:235px;min-width:850px}header{padding:25px 34px;background:#fff;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.eyebrow{display:block;font-size:10px;letter-spacing:1.8px;font-weight:700;color:var(--muted);margin-bottom:10px}.header-right{display:flex;gap:15px;align-items:center}main{padding:28px 34px}.pill{border:1px solid var(--line);border-radius:20px;background:#fff;padding:6px 10px;font-size:11px;display:inline-flex;gap:6px;align-items:center;white-space:nowrap}.pill i{width:6px;height:6px;border-radius:50%;background:#43a485}.pill.green{background:var(--light);color:var(--green);border-color:#d6ece4}.pill.orange{background:#fff1e0;color:#a26724;border-color:#f3dec3}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #d8e1e3;background:#fff;color:var(--ink);padding:10px 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strong{display:block;color:var(--ink);font-size:17px;margin-bottom:9px}.notice{background:#fff6e8;color:#876230;border:1px solid #f1e0c3;border-radius:9px;padding:14px 16px;margin-bottom:18px;font-size:12px;line-height:1.6}.notice.success{background:var(--light);color:var(--green);border-color:#d3e8df}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px}table{border-collapse:collapse;width:100%;text-align:left;font-size:12px}th{background:#f9fbfb;padding:14px 16px;color:#7a8d94;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;white-space:nowrap}td{padding:15px 16px;border-top:1px solid #edf1f2}td strong{font-weight:600}.row-actions{display:flex;gap:6px}.resource-name{display:flex;align-items:center;gap:10px}.resource-name .avatar{color:#377d73;background:#e9f3ef}.search{max-width:260px}.calendar-wrap{border:1px solid var(--line);border-radius:12px;overflow:auto;background:#fff;max-height:70vh}.calendar{display:grid;min-width:900px;position:relative}.cal-head{position:sticky;top:0;background:#fff;z-index:4;height:55px;text-align:center;border-bottom:1px solid var(--line);padding:10px;font-size:12px}.cal-head small{display:block;color:var(--muted);font-size:10px;margin-bottom:5px}.cal-day{position:relative;background:repeating-linear-gradient(to bottom,#fff 0,#fff 35px,#eaf0f1 35px,#eaf0f1 36px);border-right:1px solid var(--line)}.cal-times{position:relative;background:#fafcfc}.cal-time{position:absolute;left:8px;font-size:10px;color:#8a9aa1}.lesson{position:absolute;left:4px;right:4px;border-radius:6px;padding:5px 7px;background:#e4f1ed;border-left:3px solid #409b85;font-size:10px;overflow:hidden;cursor:grab;min-height:20px;z-index:2;color:#285d53;box-shadow:0 1px 2px #00000008}.lesson strong{display:block;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lesson small{font-size:9px}.lesson.color1{background:#e8eef8;border-color:#7897c9;color:#45618c}.lesson.color2{background:#f9efdf;border-color:#d8aa6a;color:#926a2e}.lesson.color3{background:#eee8f7;border-color:#a18abd;color:#6f548b}.lesson.done{opacity:.65}.lesson.charged{background:#fbe6e1;color:#a14735;border-color:#ce7562}.cal-day.dragover{background:#d7eee7}.calendar-legend{display:flex;gap:16px;margin-top:12px;font-size:11px;color:var(--muted)}.report{max-height:220px;overflow:auto}.report p{margin:4px 0}footer{padding:18px 34px;color:#8b9ca1;font-size:10px;display:flex;justify-content:space-between}dialog{border:0;padding:0;border-radius:15px;width:760px;max-width:90vw;max-height:90vh;box-shadow:0 30px 100px #132d3540;color:var(--ink)}dialog::backdrop{background:#0d293d65;backdrop-filter:blur(2px)}.modal-heading{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:20px 26px;background:#fff;border-bottom:1px solid var(--line)}.modal-heading h2{margin:0}.modal-heading button{font-size:26px;background:none;border:0;color:#7d9199}#modal-body{padding:24px 26px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid .full{grid-column:1/-1}label{display:block;font-size:12px;font-weight:600;color:#49616a}input,select,textarea{width:100%;display:block;margin-top:7px;border:1px solid #d7e0e3;border-radius:7px;padding:10px 11px;background:#fff;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:2px solid #a3d2c5;outline-offset:1px}input[type=checkbox]{width:16px;display:inline-block;margin:0 7px 0 0;vertical-align:middle;accent-color:var(--green)}.check{padding:10px 0;font-weight:400}.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}.availability-row{display:grid;grid-template-columns:95px 130px 92px 92px 100px 28px;gap:7px;align-items:center;margin:7px 0}.availability-row input,.availability-row 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h1{font-size:42px}}@media(max-width:650px){.login-page{display:block}.login-story{display:none}.login-form{margin:80px auto}.agenda-page main{padding:20px}.agenda-page .toolbar{flex-wrap:wrap}}@media print{.sidebar,header,footer,.toolbar,.calendar-legend,#toast{display:none!important}.shell{margin:0;min-width:0}.calendar-wrap{max-height:none;overflow:visible}.calendar{min-width:0}main{padding:0}.lesson{-webkit-print-color-adjust:exact;print-color-adjust:exact}.agenda-page main{max-width:none}}