:root{
  --ink:#0f172a; --ink-2:#334155; --muted:#64748b;
  --line:#e2e8f0; --bg:#f8fafc; --card:#ffffff;
  --brand:#0e7490; --brand-2:#06b6d4; --brand-soft:#ecfeff;
  --danger:#b91c1c; --danger-soft:#fef2f2;
  --ok:#047857; --ok-soft:#ecfdf5;
  --radius:14px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh;
  display:flex;flex-direction:column}

/* Top bar */
.topbar{display:flex;justify-content:space-between;align-items:center;
  padding:14px 26px;background:linear-gradient(135deg,#0f172a 0%,#0e7490 100%);color:#fff}
.brand{color:#fff;text-decoration:none;font-weight:800;font-size:19px;letter-spacing:-.01em;
  display:flex;align-items:center;gap:10px}
.brand-logo{height:34px;width:34px}
.brand-thin{font-weight:400;color:#a5f3fc}
.topbar nav{display:flex;align-items:center;gap:18px}
.topbar nav a{color:#e0f2fe;text-decoration:none;font-size:14.5px;font-weight:600}
.topbar nav a:hover{color:#fff}
.topbar .cta{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);
  padding:7px 14px;border-radius:999px}
.who{color:#a5f3fc;font-size:14px}
.inline-form{display:inline}
.linklike{background:none;border:none;color:#e0f2fe;font-size:14.5px;font-weight:600;
  cursor:pointer;padding:0;font-family:inherit}
.linklike:hover{color:#fff}

/* Layout */
.page{flex:1;max-width:980px;margin:0 auto;width:100%;padding:34px 22px 60px}
.page-title{font-size:26px;font-weight:800;letter-spacing:-.01em;margin:0 0 20px}
.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center;
  padding:16px 26px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.foot a{color:var(--brand);text-decoration:none}
.mother-brand{display:flex;align-items:center;gap:7px}
.mb-mark{height:18px;width:18px;opacity:.65}
.mother-brand a{color:var(--ink-2);font-weight:600}

/* Messages */
.messages{max-width:980px;margin:18px auto 0;padding:0 22px;width:100%}
.msg{padding:12px 16px;border-radius:10px;margin:8px 0;font-size:14.5px;border:1px solid}
.msg.success{background:var(--ok-soft);color:var(--ok);border-color:#a7f3d0}
.msg.error{background:var(--danger-soft);color:var(--danger);border-color:#fecaca}

/* Auth cards */
.auth-card{max-width:440px;margin:40px auto;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px;
  box-shadow:0 10px 30px rgba(15,23,42,.06)}
.auth-card h1{margin:0 0 6px;font-size:24px;font-weight:800}
.auth-card .sub{color:var(--muted);font-size:14.5px;margin:0 0 18px}
.auth-card label{display:block;font-weight:600;font-size:14px;margin:14px 0 4px}
.auth-card input[type=text],.auth-card input[type=email],
.auth-card input[type=password],.auth-card select{width:100%;padding:10px 12px;
  border:1px solid var(--line);border-radius:9px;font-size:15px;background:#fff}
.auth-card input:focus,.auth-card select:focus{outline:2px solid var(--brand-2);border-color:transparent}
.auth-card input[type=checkbox]{margin-right:8px}
.auth-card label:has(+ ul){margin-bottom:0}
.field-error{color:var(--danger);font-size:13px;margin-top:4px}
.btn{width:100%;margin-top:20px;background:var(--brand);color:#fff;border:none;
  padding:12px;border-radius:10px;font-size:15.5px;font-weight:700;cursor:pointer}
.btn:hover{background:#155e75}
.alt{text-align:center;font-size:14px;color:var(--muted);margin-top:16px}
.alt a{color:var(--brand);font-weight:600;text-decoration:none}
.auth-card ul.errorlist{color:var(--danger);font-size:13px;margin:4px 0;padding-left:18px}

/* Dashboard */
.cat{margin:0 0 30px}
.cat h2{font-size:17px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;
  color:var(--ink-2);margin:0 0 12px}
.cat .lock{margin-left:8px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.tool{display:flex;flex-direction:column;gap:5px;background:var(--card);
  border:1px solid var(--line);border-left:5px solid var(--brand);
  border-radius:12px;padding:16px 18px;text-decoration:none;color:var(--ink);
  transition:box-shadow .15s,transform .15s}
.tool:hover{box-shadow:0 8px 22px rgba(14,116,144,.14);transform:translateY(-1px)}
.tool-name{font-weight:700;font-size:15.5px}
.tool-desc{color:var(--muted);font-size:13.5px}
.tool.disabled{opacity:.55;border-left-color:#cbd5e1;cursor:not-allowed}
.locked h2{color:#94a3b8}

/* Plans */
.plans-grid{margin-top:18px}
.plan-card{cursor:default}
.plan-card:hover{transform:none}
.plan-price{font-size:26px;font-weight:800;color:var(--brand)}
.plan-price small{font-size:14px;color:var(--muted);font-weight:600}
.plan-card .btn{margin-top:12px}
.plan-card .btn:disabled{background:#94a3b8;cursor:not-allowed}
.fineprint{color:var(--muted);font-size:13px;margin-top:22px;max-width:640px}
.fineprint a{color:var(--brand)}

/* Program dashboard */
.page-sub{font-size:16px;color:var(--muted);font-weight:400}
.statbar{display:flex;gap:14px;flex-wrap:wrap;margin:6px 0 22px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:12px 20px;display:flex;flex-direction:column;min-width:130px}
.stat b{font-size:20px;font-weight:800;color:var(--brand)}
.stat span{font-size:12.5px;color:var(--muted)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em}
.sec-h{font-size:16px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;
  color:var(--ink-2);margin:30px 0 10px}
.datatable{width:100%;border-collapse:collapse;background:var(--card);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:14.5px}
.datatable th{background:#f1f5f9;text-align:left;padding:10px 14px;font-size:12.5px;
  text-transform:uppercase;letter-spacing:.04em;color:var(--ink-2)}
.datatable td{padding:10px 14px;border-top:1px solid var(--line)}
.scorepill{font-weight:700;padding:2px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand)}
.scorepill.low{background:var(--danger-soft);color:var(--danger)}
.scorepill.high{background:var(--ok-soft);color:var(--ok)}
.btn-slim{width:auto;display:inline-block;padding:9px 16px;margin-top:6px;font-size:14px}
.summary-box{background:var(--card);border:1px solid var(--line);border-radius:10px;
  margin:10px 0;padding:10px 16px}
.summary-box summary{font-weight:700;cursor:pointer}
.summary-box pre{white-space:pre-wrap;font-family:inherit;font-size:14px;color:var(--ink-2)}
.renew-opt{display:flex;align-items:flex-start;gap:6px;font-size:12.5px;color:var(--muted);
  margin-top:10px;font-weight:400 !important}
.renew-opt input{margin-top:3px}

/* Exams & question bank */
.rowbar{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
.formcard{background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:22px 24px;max-width:760px}
.formcard label{display:block;font-weight:700;font-size:14px;margin:16px 0 5px}
.formcard input[type=text],.formcard input[type=number],.formcard select,.formcard textarea{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:15px;font-family:inherit}
.formcard textarea{resize:vertical}
.formcard .hint{font-size:12.5px;color:var(--muted);margin:4px 0 0}
.formcard .req{color:var(--danger)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.checkline{display:flex;align-items:center;gap:8px;font-weight:600 !important;margin-top:14px}
.checkline input{width:auto}
.choice-row{display:flex;align-items:center;gap:10px;margin:6px 0}
.choice-row input[type=text]{flex:1}
.choice-row input[type=radio]{width:18px;height:18px}
.pick-row{display:flex;gap:10px;align-items:flex-start;padding:8px 10px;border:1px solid var(--line);
  border-radius:9px;margin:6px 0;font-weight:400 !important;font-size:14px;cursor:pointer}
.pick-row input{margin-top:3px}
.qcard{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:12px 0}
.qcard-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.qnum{font-weight:800;color:var(--ink-2);margin-bottom:6px}
.qstem{font-size:15.5px;margin:6px 0 10px}
.qchoices{list-style:none;padding:0;margin:0}
.qchoices li{padding:7px 12px;border:1px solid var(--line);border-radius:8px;margin:5px 0;font-size:14.5px}
.qchoices li.right{background:var(--ok-soft);border-color:var(--ok-line);color:var(--ok);font-weight:600}
.qchoices li.wrong{background:var(--danger-soft);border-color:var(--danger-line);color:var(--danger)}
.qexpl{font-size:13.5px;color:var(--ink-2);margin-top:8px;background:#f8fafc;padding:8px 12px;border-radius:8px}
.opt{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);
  border-radius:9px;margin:6px 0;cursor:pointer}
.opt.sel,.opt:hover{border-color:var(--brand);background:var(--brand-soft)}
.opt input{width:18px;height:18px}
.exam-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.timer{font-family:ui-monospace,Menlo,monospace;font-weight:800;font-size:22px;color:var(--brand);
  background:var(--brand-soft);border:1px solid #a5f3fc;padding:6px 16px;border-radius:999px}
.timer.low{color:var(--danger);background:var(--danger-soft);border-color:var(--danger-line)}
.sticky-actions{position:sticky;bottom:0;background:var(--bg);padding:12px 0;border-top:1px solid var(--line)}
.c-low{color:var(--danger)} .c-high{color:var(--ok)}

/* Docs (privacy/terms) */
.doc{max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:34px 38px}
.doc h1{margin:0 0 4px;font-size:26px;font-weight:800}
.doc-meta{color:var(--muted);font-size:13.5px;margin:0 0 18px}
.doc h2{font-size:17px;font-weight:800;margin:22px 0 6px}
.doc p{margin:8px 0;font-size:15px}