/* US Xplore — Housekeeping Exam · shared styles */
:root {
  --navy: #0f2a43;
  --teal: #0e7c7b;
  --teal-dark: #0a5f5e;
  --gold: #e8a838;
  --bg: #f4f7fa;
  --card: #ffffff;
  --text: #1c2b3a;
  --muted: #6b7d90;
  --danger: #d64545;
  --success: #1f9d55;
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
.wrap { max-width: 860px; margin: 0 auto; padding: 20px 16px 60px; }
.wrap.narrow { max-width: 560px; }
.wrap.wide { max-width: 1100px; }

/* Header */
.topbar {
  background: linear-gradient(135deg, var(--navy), #17456b);
  color: #fff;
  padding: 26px 16px;
  text-align: center;
}
.topbar h1 { margin: 0 0 4px; font-size: 1.7rem; letter-spacing: .5px; }
.topbar h1 .accent { color: var(--gold); }
.topbar p { margin: 0; opacity: .85; font-size: .95rem; }

/* Cards */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 4px 18px rgba(15,42,67,.08);
  padding: 26px 24px;
  margin-top: 22px;
}
.card h2 { margin-top: 0; color: var(--navy); }
.hint { color: var(--muted); font-size: .9rem; }

/* Forms */
label { display: block; font-weight: 600; margin: 14px 0 6px; color: var(--navy); }
input[type=text], input[type=tel], input[type=password], select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid #cfd9e3;
  border-radius: 10px;
  font-size: 1rem;
}
input:focus, select:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(14,124,123,.15); }

/* Buttons */
.btn {
  display: inline-block;
  border: none;
  cursor: pointer;
  background: var(--teal);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 13px 26px;
  border-radius: 10px;
  margin-top: 20px;
  transition: background .15s;
  text-decoration: none;
  text-align: center;
}
.btn:hover { background: var(--teal-dark); }
.btn.block { display: block; width: 100%; }
.btn.ghost { background: #e7eef4; color: var(--navy); }
.btn.ghost:hover { background: #d7e2ec; }
.btn.danger { background: var(--danger); }
.btn.small { font-size: .85rem; padding: 8px 14px; margin-top: 0; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Exam */
.exam-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy); color: #fff;
  padding: 10px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.exam-header .timer {
  font-weight: 800; font-size: 1.15rem; background: rgba(255,255,255,.12);
  padding: 6px 14px; border-radius: 999px; white-space: nowrap;
}
.exam-header .timer.low { background: var(--danger); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .6; } }
.progress { height: 8px; background: #dfe7ee; border-radius: 999px; overflow: hidden; margin-top: 14px; }
.progress > div { height: 100%; background: var(--teal); width: 0; transition: width .25s; }

.q-num { color: var(--teal); font-weight: 800; font-size: .9rem; text-transform: uppercase; letter-spacing: 1px; }
.q-text { font-size: 1.25rem; font-weight: 600; color: var(--navy); margin: 8px 0 18px; }
.scenario { background: #eef4ff; border-left: 4px solid var(--teal); padding: 10px 14px; border-radius: 0 8px 8px 0; font-size: .95rem; font-weight: 400; color: #33475b; margin-bottom: 12px; }
.setpick { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 6px 0 18px; }
.setcard { border: 2px solid #dbe4ee; border-radius: 12px; padding: 14px; cursor: pointer; transition: border-color .15s, background .15s; }
.setcard:hover { border-color: var(--teal); }
.setcard.sel { border-color: var(--teal); background: #e6f4f3; }
.setcard b { display: block; color: var(--navy); margin-bottom: 4px; }
.setcard small { color: var(--muted); }
.opt {
  display: block; width: 100%; text-align: left;
  border: 2px solid #dbe4ec; background: #fff; border-radius: 12px;
  padding: 14px 16px; margin: 10px 0; font-size: 1.02rem; cursor: pointer;
  transition: border-color .12s, background .12s;
}
.opt:hover { border-color: var(--teal); }
.opt.selected { border-color: var(--teal); background: #e6f4f3; font-weight: 600; }
.opt .letter {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: #e7eef4; color: var(--navy); font-weight: 800; font-size: .85rem;
  margin-right: 10px;
}
.opt.selected .letter { background: var(--teal); color: #fff; }
.exam-nav { display: flex; justify-content: space-between; gap: 10px; margin-top: 24px; }
.exam-nav .btn { margin-top: 0; flex: 1; }

.navigator {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
  gap: 8px; margin-top: 12px;
}
.nav-dot {
  border: 2px solid #cfd9e3; background: #fff; border-radius: 10px;
  padding: 8px 0; text-align: center; cursor: pointer; font-weight: 700; color: var(--muted);
}
.nav-dot.answered { background: var(--teal); border-color: var(--teal); color: #fff; }
.nav-dot.current { border-color: var(--gold); box-shadow: 0 0 0 2px rgba(232,168,56,.4); }

/* Result */
.score-hero { text-align: center; padding: 10px 0 6px; }
.score-ring {
  width: 150px; height: 150px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 800; color: #fff; margin: 10px 0;
}
.score-ring.pass { background: var(--success); }
.score-ring.fail { background: var(--danger); }
.badge {
  display: inline-block; padding: 5px 16px; border-radius: 999px;
  font-weight: 800; letter-spacing: .5px; font-size: .9rem;
}
.badge.pass { background: #dcf5e5; color: #146c38; }
.badge.fail { background: #fbdddd; color: #a02020; }
.review-item { border-top: 1px solid #e6ecf2; padding: 14px 0; }
.review-item .rq { font-weight: 700; color: var(--navy); }
.review-item .ra { margin-top: 6px; font-size: .95rem; }
.ra .ok { color: var(--success); font-weight: 700; }
.ra .bad { color: var(--danger); font-weight: 700; }

/* Admin */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: 18px; }
.stat { background: var(--card); border-radius: var(--radius); padding: 16px; text-align: center; box-shadow: 0 4px 18px rgba(15,42,67,.08); }
.stat .n { font-size: 1.8rem; font-weight: 800; color: var(--navy); }
.stat .l { font-size: .85rem; color: var(--muted); }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 18px; }
.toolbar input { flex: 1; min-width: 180px; margin: 0; }
table.results { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: .92rem; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: 0 4px 18px rgba(15,42,67,.08); }
table.results th, table.results td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #edf1f5; }
table.results th { background: var(--navy); color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .5px; }
table.results tr:hover td { background: #f2f7fa; cursor: pointer; }
.modal-back {
  position: fixed; inset: 0; background: rgba(15,42,67,.55);
  display: none; align-items: flex-start; justify-content: center; padding: 30px 14px; z-index: 100;
  overflow-y: auto;
}
.modal-back.open { display: flex; }
.modal { background: #fff; border-radius: var(--radius); max-width: 720px; width: 100%; padding: 26px; }
.notice { background: #fff8e6; border: 1px solid #f0d48a; color: #7a5b12; border-radius: 10px; padding: 12px 16px; margin-top: 16px; font-size: .92rem; }
.footer { text-align: center; color: var(--muted); font-size: .85rem; margin-top: 40px; }
@media (max-width: 560px) {
  .card { padding: 20px 16px; }
  .q-text { font-size: 1.1rem; }
  table.results th:nth-child(4), table.results td:nth-child(4) { display: none; }
}

/* ---------- printable review paper ---------- */
#printArea { display: none; }
@media print {
  body > *:not(#printArea) { display: none !important; }
  #printArea { display: block !important; color: #000; font-size: 12px; }
  #printArea .phead h1 { font-size: 18px; margin: 0 0 6px; }
  #printArea .phead p { margin: 2px 0; }
  #printArea .pq { page-break-inside: avoid; margin: 12px 0; }
  #printArea .pqtext { margin: 4px 0; }
  #printArea .pscen { background: #f0f0f0; padding: 6px 8px; margin: 4px 0; }
  #printArea .popt { margin: 1px 0 1px 16px; }
  #printArea .pok { color: #0a7d2c; }
  #printArea .pbad { color: #c00; }
}

/* Official US Xplore logo in the header */
.brand-logo { display:inline-block; background:#fff; border-radius:16px; padding:10px 14px; margin-bottom:10px; box-shadow:0 4px 14px rgba(0,0,0,.18); }
.brand-logo img { display:block; width:150px; max-width:46vw; height:auto; border-radius:8px; }