:root{--blue:#003b71;--blue2:#005ea8;--bg:#f3f6fa;--card:#fff;--text:#182230;--muted:#667085;--green:#0f7a3b;--red:#b42318;--amber:#b54708}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.topbar{background:var(--blue);color:white;padding:16px 28px;display:flex;justify-content:space-between;align-items:center}.topbar a{color:white;text-decoration:none;margin-left:18px;font-weight:700}.brand a{font-size:20px;margin-left:0}.container{max-width:1180px;margin:34px auto;padding:0 22px}.hero{background:linear-gradient(135deg,var(--blue),#0b70bd);color:white;border-radius:22px;padding:38px;box-shadow:0 16px 40px rgba(0,0,0,.12)}.hero h1{margin:0 0 10px;font-size:38px}.card{background:var(--card);border-radius:18px;padding:26px;margin:20px 0;box-shadow:0 10px 30px rgba(16,24,40,.08);border:1px solid #e4e7ec}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.btn{display:inline-block;border:0;border-radius:12px;background:var(--blue2);color:white;padding:12px 18px;text-decoration:none;font-weight:800;cursor:pointer}.btn.secondary{background:#eef4ff;color:#1849a9}.btn.warning{background:#f79009}.btn.danger{background:#d92d20}.badge{display:inline-block;border-radius:999px;padding:4px 10px;background:#eef4ff;color:#1849a9;font-weight:700;font-size:13px}.badge.green{background:#ecfdf3;color:#027a48}.badge.red{background:#fef3f2;color:#b42318}.muted{color:var(--muted)}input,textarea,select{width:100%;padding:12px 14px;border-radius:10px;border:1px solid #d0d5dd;background:white;font:inherit}label{font-weight:700;display:block;margin:12px 0 6px}.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.table{width:100%;border-collapse:collapse;background:white;border-radius:16px;overflow:hidden}.table th,.table td{text-align:left;padding:14px;border-bottom:1px solid #eaecf0}.table th{background:#f9fafb}.question{font-size:21px;font-weight:800;margin-bottom:18px}.answers label{display:flex;gap:10px;align-items:flex-start;border:1px solid #d0d5dd;border-radius:14px;padding:14px;margin:10px 0;background:#fff}.answers input{width:auto;margin-top:6px}.progress{height:12px;background:#e4e7ec;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:var(--blue2)}.result-pass{color:var(--green);font-weight:900}.result-fail{color:var(--red);font-weight:900}.footer{text-align:center;color:var(--muted);padding:30px}.notice{background:#fffaeb;border:1px solid #fedf89;color:#93370d;border-radius:14px;padding:14px}.ok{background:#ecfdf3;border:1px solid #abefc6;color:#067647;border-radius:14px;padding:14px}.error{background:#fef3f2;border:1px solid #fecdca;color:#b42318;border-radius:14px;padding:14px}@media(max-width:700px){.row{grid-template-columns:1fr}.hero h1{font-size:28px}.topbar{display:block}.topbar nav{margin-top:10px}.topbar a{margin-left:0;margin-right:12px}}

.nav-user{color:#dbeafe;font-weight:700;margin-right:12px}


.home-action-grid{
  margin-top:22px;
}
.home-action-card{
  display:block;
  text-decoration:none;
  color:inherit;
  cursor:pointer;
  min-height:210px;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  border:1px solid #e4e7ec;
}
.home-action-card:hover{
  transform:translateY(-4px);
  box-shadow:0 18px 42px rgba(16,24,40,.16);
  border-color:#005ea8;
}
.home-action-card h3{
  font-size:22px;
  margin:10px 0 8px;
}
.home-action-icon{
  font-size:34px;
  line-height:1;
}
.home-action-link{
  display:inline-block;
  margin-top:12px;
  font-weight:800;
  color:#005ea8;
}


.feedback-list{margin-top:18px;display:grid;gap:12px}
.feedback-option{border-radius:14px;padding:14px 16px;border:1px solid #d0d5dd}
.feedback-option-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.feedback-icon{font-size:20px}
.feedback-answer{font-weight:700;margin:6px 0}
.feedback-note{color:#344054}
.feedback-detail{margin-top:8px;padding:10px;border-radius:10px;background:rgba(255,255,255,.65)}
.feedback-correct-selected{background:#ecfdf3;border-color:#75e0a7}
.feedback-correct-missed{background:#eff8ff;border-color:#84caff}
.feedback-wrong-selected{background:#fef3f2;border-color:#fda29b}
.feedback-neutral{background:#f9fafb;border-color:#eaecf0;color:#475467}
.explanation-card{border-left:5px solid #005ea8}