:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --border: #dbe4ee;
  --danger: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 16px;
}

body.locked {
  background: #ffffff;
}

body.locked .container {
  max-width: none;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

body.locked .hero,
body.locked #intro,
body.locked #testSection,
body.locked #resultSection {
  display: none !important;
}

body.locked #passwordSection {
  width: min(420px, 100%);
  margin: 0;
  border: 0;
  box-shadow: none;
  background: transparent;
  padding: 0;
}

.hero {
  text-align: center;
  margin-bottom: 16px;
}

h1 {
  margin: 8px 0 0;
  font-size: 2rem;
}

.subtitle {
  margin: 8px 0;
  color: var(--muted);
  font-weight: 600;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

.hidden {
  display: none;
}

.btn {
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
}

.btn.primary:hover {
  background: var(--primary-dark);
}

.btn.secondary {
  background: #e5e7eb;
  color: #111827;
}

.test-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}

#progressLabel {
  color: var(--muted);
  font-size: 0.9rem;
}

.module-desc {
  margin: 0 0 12px;
  color: var(--muted);
}

.question {
  margin-top: 8px;
}

.question p {
  margin: 0 0 12px;
  line-height: 1.5;
  text-align: center;
}

.scale {
  display: grid;
  gap: 8px;
}

.scale label {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.scale label:hover {
  background: #f8fafc;
}

.scale input[type="radio"] {
  margin-top: 2px;
}

.scale label:has(input[type="radio"]:checked) {
  border-color: var(--primary);
  background: #eff6ff;
}

.nav {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
}

.validation {
  color: var(--danger);
  margin-top: 10px;
}

.chart-wrap {
  width: 100%;
  overflow-x: auto;
}

#radarChart {
  width: 100%;
  max-width: 540px;
  height: auto;
  display: block;
  margin: 0 auto;
}

.metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 14px 0;
}

.interpretation {
  margin-top: 14px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.password-input {
  width: 100%;
  margin-top: 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
}

#intro {
  max-width: 760px;
  margin: 14vh auto 0;
  text-align: center;
}

#testSection:not(.hidden) {
  display: block;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

#questionForm {
  max-width: 760px;
  margin: 0 auto;
}

.test-head,
.module-desc,
.nav,
#validationMsg {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.note {
  color: var(--muted);
  font-size: 0.86rem;
}

.table-wrap {
  overflow-x: auto;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

.result-table th,
.result-table td {
  border: 1px solid var(--border);
  padding: 8px;
  text-align: left;
  vertical-align: top;
}

.result-table th {
  background: #eff6ff;
}

.verdict-banner {
  padding: 12px;
  border-radius: 10px;
  font-weight: 700;
}

.verdict-success {
  background: #dcfce7;
  color: #14532d;
}

.verdict-warning {
  background: #fef3c7;
  color: #78350f;
}

.verdict-danger {
  background: #fee2e2;
  color: #7f1d1d;
}

.rec-block {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
}

.admin-dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 10px;
  text-align: center;
}

.admin-link {
  border: 0;
  background: transparent;
  color: #1f2937;
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.95rem;
}

.admin-checkline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

@media (min-width: 700px) {
  .container {
    padding: 22px;
  }

  .card {
    padding: 20px;
  }

  h1 {
    font-size: 2.3rem;
  }
}

@media print {
  body {
    background: #fff;
  }

  .actions,
  #startBtn,
  #downloadStatsBtn,
  #restartBtn,
  #adminDock {
    display: none !important;
  }

  .card {
    border: 0;
    padding: 0;
  }
}