:root {
  --purple-900: #2E1B4D;
  --purple-700: #4B2E83;
  --purple-500: #6B45AD;
  --purple-100: #EFE8F9;
  --purple-050: #F7F3FC;

  --orange-900: #7A3410;
  --orange-700: #C1521C;
  --orange-500: #E07A3D;
  --orange-100: #FBE7D9;
  --orange-050: #FDF3EB;

  --ink: #241F2E;
  --ink-soft: #5B5468;
  --line: #E4DEEF;
  --white: #FFFFFF;

  --radius: 14px;
  --shadow: 0 4px 20px rgba(46, 27, 77, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.5;
}

.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}
.topbar-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple-700), var(--orange-700));
  flex-shrink: 0;
}
.logo-text {
  font-weight: 700;
  font-size: 18px;
  color: var(--purple-900);
  letter-spacing: -0.01em;
}

.app {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

h1 { font-size: 26px; color: var(--purple-900); margin: 0 0 6px; }
h2 { font-size: 20px; color: var(--purple-900); margin: 0 0 14px; }
p.lead { color: var(--ink-soft); margin: 0 0 28px; font-size: 15px; }

/* --- Стартовый экран --- */
.name-field {
  display: flex; gap: 10px; margin-bottom: 32px;
  flex-wrap: wrap;
}
input[type="text"] {
  flex: 1; min-width: 220px;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  outline: none;
  transition: border-color .15s;
}
input[type="text"]:focus { border-color: var(--purple-500); }

.module-list { display: flex; flex-direction: column; gap: 12px; }

.module-card {
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--white);
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s, transform .1s;
}
.module-card:hover {
  border-color: var(--purple-500);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}
.module-card-title { font-weight: 600; font-size: 15.5px; color: var(--ink); }
.module-card-meta { font-size: 13px; color: var(--ink-soft); margin-top: 3px; }
.module-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
}
.badge-review {
  background: var(--orange-100);
  color: var(--orange-900);
}
.chevron { color: var(--purple-500); font-size: 20px; flex-shrink: 0; }

/* --- Кнопки --- */
button.primary {
  background: var(--purple-700);
  color: var(--white);
  border: none;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .1s;
}
button.primary:hover { background: var(--purple-900); }
button.primary:disabled { background: #C9C0DC; cursor: not-allowed; }
button.primary:active { transform: scale(0.98); }

button.ghost {
  background: transparent;
  color: var(--purple-700);
  border: 1.5px solid var(--purple-700);
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
button.ghost:hover { background: var(--purple-050); }

/* --- Вводный материал (интро) --- */
.intro-box {
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
  background: var(--white);
}
.intro-box h2 {
  font-size: 18px;
  color: var(--purple-900);
  margin: 26px 0 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.intro-box h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.intro-box p { margin: 0 0 14px; color: var(--ink); font-size: 15px; }
.intro-box strong { color: var(--purple-900); }
.intro-box ul, .intro-box ol { margin: 0 0 14px; padding-left: 22px; }
.intro-box li { margin-bottom: 8px; font-size: 15px; }
.intro-box li::marker { color: var(--orange-700); font-weight: 700; }

.intro-box table {
  width: 100%;
  border-collapse: collapse;
  margin: 4px 0 20px;
  font-size: 14px;
}
.intro-box th {
  background: var(--purple-050);
  color: var(--purple-900);
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--line);
  font-weight: 700;
}
.intro-box td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  vertical-align: top;
}
.intro-box tr:nth-child(even) td { background: var(--purple-050); }

.intro-box code {
  background: var(--orange-050);
  color: var(--orange-900);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 13px;
}

.intro-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 24px;
}

/* --- Прогресс --- */
.progress-row {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 24px;
}
.progress-track {
  flex: 1; height: 8px; border-radius: 999px;
  background: var(--purple-100);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--purple-700), var(--orange-700));
  transition: width .25s ease;
}
.progress-label { font-size: 13px; color: var(--ink-soft); white-space: nowrap; font-weight: 600; }

/* --- Вопрос --- */
.question-card {
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--white);
}
.question-source {
  font-size: 12px;
  color: var(--purple-500);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 10px;
}
.question-prompt {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 20px;
}

.options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 8px; }

.option {
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  cursor: pointer;
  font-size: 14.5px;
  transition: border-color .15s, background .15s;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.option:hover { border-color: var(--purple-500); background: var(--purple-050); }
.option.disabled { cursor: default; }
.option .letter {
  width: 22px; height: 22px; border-radius: 50%;
  border: 1.5px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: var(--ink-soft);
  flex-shrink: 0;
}

.option.correct {
  border-color: var(--purple-700);
  background: var(--purple-050);
}
.option.correct .letter { background: var(--purple-700); border-color: var(--purple-700); color: white; }

.option.wrong-chosen {
  border-color: var(--orange-700);
  background: var(--orange-050);
}
.option.wrong-chosen .letter { background: var(--orange-700); border-color: var(--orange-700); color: white; }

/* --- Кейсы: три яруса вердикта (после ответа показываются на ВСЕХ вариантах) --- */
.option.tier-correct { border-color: var(--purple-700); background: var(--purple-050); }
.option.tier-correct .letter { background: var(--purple-700); border-color: var(--purple-700); color: white; }

.option.tier-compromise { border-color: var(--orange-500); background: var(--orange-050); }
.option.tier-compromise .letter { background: var(--orange-500); border-color: var(--orange-500); color: white; }

.option.tier-wrong { border-color: var(--orange-900); background: #FBE3D2; }
.option.tier-wrong .letter { background: var(--orange-900); border-color: var(--orange-900); color: white; }

.option.chosen { box-shadow: 0 0 0 2px currentColor; }

.tier-tag {
  margin-left: auto;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
}
.tier-correct .tier-tag { background: var(--purple-700); color: white; }
.tier-compromise .tier-tag { background: var(--orange-500); color: white; }
.tier-wrong .tier-tag { background: var(--orange-900); color: white; }

.feedback-box {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 14px;
}
.feedback-box.ok { background: var(--purple-050); color: var(--purple-900); border: 1px solid var(--purple-100); }
.feedback-box.warn { background: var(--orange-050); color: var(--orange-900); border: 1px solid #F3CDA6; }
.feedback-box.bad { background: #FBE3D2; color: var(--orange-900); border: 1px solid var(--orange-500); }
.feedback-title { font-weight: 700; margin-bottom: 4px; }

.question-footer {
  display: flex; justify-content: flex-end; margin-top: 20px;
}

/* --- Результаты --- */
.score-hero {
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  background: linear-gradient(135deg, var(--purple-700), var(--purple-900));
  color: white;
  margin-bottom: 28px;
}
.score-number { font-size: 44px; font-weight: 800; letter-spacing: -0.02em; }
.score-caption { font-size: 14px; opacity: .85; margin-top: 4px; }

.review-item {
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 12px;
}
.review-item.is-wrong { border-left: 4px solid var(--orange-900); }
.review-item.is-compromise { border-left: 4px solid var(--orange-500); }
.review-item.is-ok { border-left: 4px solid var(--purple-700); }
.review-q { font-weight: 600; font-size: 14.5px; margin-bottom: 10px; }
.review-row { font-size: 13.5px; margin-bottom: 6px; display: flex; gap: 8px; }
.review-tag {
  font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px;
  flex-shrink: 0; height: fit-content; margin-top: 1px;
}
.tag-wrong { background: var(--orange-100); color: var(--orange-900); }
.tag-compromise { background: var(--orange-050); color: var(--orange-700); border: 1px solid var(--orange-500); }
.tag-ok { background: var(--purple-100); color: var(--purple-900); }
.review-feedback { color: var(--ink-soft); font-size: 13.5px; margin-top: 2px; }

.review-case-list { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); }
.review-case-opt { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 10px; font-size: 13.5px; }
.review-case-opt:last-child { margin-bottom: 0; }
.review-case-opt-text { flex: 1; }
.review-case-opt-feedback { color: var(--ink-soft); font-size: 12.5px; margin-top: 2px; }

.footer-actions { display: flex; justify-content: center; margin-top: 28px; }

.loading { color: var(--ink-soft); font-size: 14px; padding: 40px 0; text-align: center; }