:root{--ink:#172c39;--muted:#596d79;--line:#dae3e8;--paper:#fff;--bg:#f1f5f7;--brand:#155b68;--dark:#103541;--ok:#187548;--warn:#8f5b09;--bad:#a82934}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--brand);text-underline-offset:3px}a:hover{color:var(--dark)}.top{display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--dark);padding:22px max(24px,calc((100vw - 1320px)/2));color:white}.brand a{font-size:30px;letter-spacing:-.8px;font-weight:800;color:white;text-decoration:none}.brand span{font-weight:400;opacity:.8}.brand small{display:block;color:#bdcfd5}.identity{text-align:right;font-size:14px}.identity small{color:#bed0d6}.identity form{display:inline-block;margin-top:2px}.identity .link{background:none;border:0;padding:0;color:white;font:inherit;cursor:pointer;text-decoration:underline}nav{display:flex;flex-wrap:wrap;gap:4px;padding:8px max(20px,calc((100vw - 1320px)/2));background:white;border-bottom:1px solid var(--line)}nav a{padding:8px 12px;text-decoration:none;font-size:14px;border-radius:6px}nav a:hover{background:var(--bg)}main{max-width:1320px;margin:28px auto;padding:0 24px 30px}h1{font-size:30px;letter-spacing:-.5px;margin:0 0 20px}h2{font-size:20px;margin:0 0 12px}h3{font-size:17px}p{margin:12px 0}.subtitle{color:var(--muted);margin-top:-12px}.panel{background:white;border:1px solid var(--line);border-radius:12px;padding:24px;margin-bottom:20px}.narrow{max-width:600px}.columns{display:grid;grid-template-columns:1fr 1fr;gap:20px}.cards{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;margin:20px 0}.card{display:flex;flex-direction:column;text-decoration:none;background:white;border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:0 3px 10px #172c3906}.card:hover{border-color:var(--brand)}.card strong{font-size:34px;line-height:1.3}.card span{font-size:14px;color:var(--muted)}.alert{padding:14px 18px;border:1px solid;border-radius:8px;margin-bottom:18px}.success{color:#14532d;background:#edf9f1;border-color:#badfc8}.warning{color:#734600;background:#fff8e8;border-color:#ecd5a8}.error{color:var(--bad);background:#fff0f1;border-color:#edc5c9}.badge{display:inline-block;white-space:nowrap;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:600;line-height:1.5}.badge.ok{color:var(--ok);background:#e8f5ec}.badge.warn{color:var(--warn);background:#fff3d7}.badge.muted{color:var(--muted);background:#eef2f5}.inline{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:16px 0 20px}button,.button{display:inline-block;background:var(--brand);color:white;border:1px solid var(--brand);border-radius:7px;padding:10px 16px;font:600 14px/1.5 inherit;cursor:pointer;text-decoration:none;font-family:inherit;font-size:14px;font-weight:600}button:hover,.button:hover{background:var(--dark);border-color:var(--dark);color:white}.secondary{background:white;color:var(--brand);border-color:var(--line)}.danger{background:white;color:var(--bad);border-color:#dba9af}.danger:hover{background:var(--bad);border-color:var(--bad)}label{display:block;font-size:14px;font-weight:600;margin-bottom:16px}input,select,textarea{display:block;width:100%;margin-top:6px;border:1px solid #b7c6d0;border-radius:6px;background:white;color:var(--ink);padding:10px;font:16px/1.3 inherit;font-family:inherit;font-size:16px}input:focus,select:focus,textarea:focus{outline:2px solid #9fcfd7;outline-offset:1px}input[readonly]{background:#f0f4f6;color:var(--muted)}.check{display:flex;align-items:center;gap:8px;font-weight:400;margin:5px 0 16px}.check input{display:inline-block;width:18px;height:18px;margin:0;accent-color:var(--brand)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.full{grid-column:1/-1}.filters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 18px}.filters .actions{align-self:end;margin-top:6px}.hint{font-size:13px;color:var(--muted)}.scroll{overflow:auto;background:white;border:1px solid var(--line);border-radius:10px;margin:16px 0 24px}table{border-collapse:collapse;width:100%;font-size:14px}th{text-align:left;background:#edf2f5;white-space:nowrap;color:#3a515f;font-size:12px;text-transform:uppercase;letter-spacing:.4px;padding:13px 15px}td{padding:14px 15px;border-top:1px solid var(--line);vertical-align:top}td a{font-weight:600}td small{display:block;margin:3px 0;color:var(--muted)}tr:hover td{background:#f8fbfc}small{display:block;font-size:12px}dl{display:grid;grid-template-columns:minmax(100px,35%) 1fr;gap:10px 20px;margin:0}dt{color:var(--muted);font-size:14px}dd{margin:0;overflow-wrap:anywhere}details summary{cursor:pointer;font-weight:600;margin-bottom:12px}.pre{white-space:pre-wrap;overflow-wrap:anywhere}footer{max-width:1320px;padding:0 24px 30px;margin:auto;color:var(--muted);font-size:12px}form+form{margin-top:14px}li{margin:5px 0}@media(max-width:1050px){.cards{grid-template-columns:repeat(3,1fr)}.filters{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.top{padding:18px;gap:12px}.brand a{font-size:26px}.brand small{max-width:180px}.identity{max-width:150px}nav{padding:8px}nav a{padding:6px 8px}main{padding:0 16px;margin-top:22px}h1{font-size:25px}.panel{padding:18px}.columns,.form-grid,.filters{grid-template-columns:1fr}.cards{grid-template-columns:repeat(2,1fr);gap:10px}.card{padding:16px}.card strong{font-size:30px}td,th{padding:10px}table{min-width:620px}dl{grid-template-columns:1fr;gap:3px}dd{margin-bottom:10px}footer{padding:0 16px 24px}}
[hidden]{display:none!important}fieldset{border:1px solid var(--line);border-radius:8px;padding:16px;margin:0 0 20px}legend{padding:0 8px;font-weight:600;color:var(--brand)}.cards{grid-template-columns:repeat(4,minmax(0,1fr))}@media(max-width:700px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}

.school-nav{gap:8px;margin-top:-4px}.school-nav .button{font-size:13px;padding:8px 12px}select[multiple]{min-height:150px}hr{border:0;border-top:1px solid var(--line);margin:24px 0}.total{font-size:22px;font-weight:700;text-align:right}.overdue{color:var(--bad)}@media print{body{background:white;color:black;font-size:11pt}.top,nav,.school-nav,footer,.actions,form,.no-print{display:none!important}main{max-width:none;margin:0;padding:0}.panel{border:0;padding:0;box-shadow:none}.scroll{overflow:visible;border:0}table{min-width:0!important}th,td{padding:7px}a{color:black;text-decoration:none}details{display:none}.alert{border:1px solid #999;background:white;color:black}.columns{display:grid;grid-template-columns:1fr 1fr}}

.instructor-lessons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.instructor-lesson{margin:0;overflow-wrap:anywhere}.instructor-when{font-weight:700;color:var(--brand);margin-top:0}.instructor-lesson .button{margin-top:8px;min-height:44px}.instructor-register{max-width:800px}.instructor-register fieldset{margin-top:18px}.instructor-register input,.instructor-register select,.instructor-register textarea{font-size:16px}.instructor-register button{min-height:48px}.instructor-totals{display:flex;flex-wrap:wrap;gap:24px}.instructor-totals p{display:flex;flex-direction:column}.instructor-totals strong{font-size:30px;color:var(--brand)}.duration-settings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.duration-rule{border:1px solid var(--line);border-radius:8px;padding:16px}.duration-rule h3{margin-top:0}summary{cursor:pointer;font-weight:600}details>form{margin-top:18px}@media(max-width:700px){.instructor-lessons,.duration-settings{grid-template-columns:1fr}.instructor-register button{width:100%}.instructor-register fieldset{padding:12px}.instructor-register legend{max-width:100%;overflow-wrap:anywhere}}