/* ─── Tokens ─────────────────────────────────────────────── */
:root {
  --bg:           #F2EBD9;
  --surface:      #FDFAF4;
  --surface-card: #FFFFFF;
  --ink:          #1A1410;
  --ink-2:        #5C5044;
  --ink-3:        #9A8E80;
  --accent:       #C44A26;
  --accent-hover: #A33B1C;
  --accent-light: #F9EDE8;
  --correct:      #2A604A;
  --correct-bg:   #E6F4EE;
  --incorrect:    #9B2226;
  --incorrect-bg: #FDECEC;
  --border:       #D9CFC0;
  --border-strong:#B5A898;
  --soon-bg:      #FEF6E4;
  --soon-text:    #9B6E0A;

  --font-display: 'Jost', system-ui, sans-serif;
  --font-body:    'Jost', system-ui, sans-serif;

  --header-h: 60px;
  --max-w:    1080px;
  --max-quiz: 660px;
  --r-sm:     6px;
  --r-md:     12px;
  --r-lg:     20px;
  --shadow:   0 1px 3px rgba(26,20,16,0.06), 0 4px 16px rgba(26,20,16,0.06);
  --shadow-md:0 4px 8px rgba(26,20,16,0.08), 0 12px 32px rgba(26,20,16,0.10);
}

/* ─── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* Grain overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ─── Layout utilities ───────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* ─── Header ─────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
  height: 100%;
  display: flex;
  align-items: center;
}
.logo {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  text-decoration: none;
  color: var(--ink);
  transition: color 0.15s;
}
.logo:hover { color: var(--accent); }

/* ─── Main / Footer ──────────────────────────────────────── */
.site-main {
  flex: 1;
  padding-top: var(--header-h);
}
.site-footer {
  padding: 32px 28px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--ink-3);
  border-top: 1px solid var(--border);
  margin-top: 80px;
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 12px 22px;
  border-radius: var(--r-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.1s;
  line-height: 1;
}
.btn:active { transform: scale(0.98); }

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

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--border-strong);
}
.btn-outline:hover { border-color: var(--ink); }

.btn-ghost {
  background: transparent;
  color: var(--ink-3);
  border: 1.5px solid var(--border);
  cursor: not-allowed;
}

.btn-large {
  font-size: 1rem;
  padding: 15px 28px;
}

/* ─── Breadcrumb ─────────────────────────────────────────── */
.breadcrumb {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--ink-3);
  text-decoration: none;
  margin-bottom: 24px;
  transition: color 0.15s;
}
.breadcrumb:hover { color: var(--ink); }

/* ─── Homepage hero ──────────────────────────────────────── */
.hero {
  padding: 44px 0 36px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}
.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 14px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 16px;
}
.hero-sub {
  font-size: 1rem;
  color: var(--ink-2);
  max-width: 480px;
}

/* ─── Topics section ─────────────────────────────────────── */
.topics {
  padding: 36px 0 48px;
}
.section-label {
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 28px;
  font-weight: 500;
}
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* ─── Topic cards ────────────────────────────────────────── */
.topic-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.topic-card--active:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.topic-card--soon {
  opacity: 0.55;
}

.topic-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topic-icon {
  font-size: 2rem;
  line-height: 1;
}
.topic-icon.large-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
}
.topic-status {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
}
.topic-status--active {
  background: var(--correct-bg);
  color: var(--correct);
}
.topic-status--soon {
  background: var(--soon-bg);
  color: var(--soon-text);
}
.topic-name {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
}
.topic-desc {
  font-size: 0.9rem;
  color: var(--ink-2);
  line-height: 1.6;
  flex: 1;
}
.topic-card .btn {
  align-self: flex-start;
  margin-top: 8px;
}

/* ─── Wine / topic hero ──────────────────────────────────── */
.topic-hero {
  padding: 60px 0 48px;
  border-bottom: 1px solid var(--border);
}
.topic-hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.topic-hero-sub {
  font-size: 1rem;
  color: var(--ink-2);
  max-width: 520px;
}

/* ─── Topic body ─────────────────────────────────────────── */
.topic-body {
  padding: 60px 0 80px;
}
.topic-body-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 60px;
  align-items: start;
}

/* Quiz options */
.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: calc(var(--header-h) + 24px);
}
.quiz-option {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 28px;
  box-shadow: var(--shadow);
}
.quiz-option--locked {
  opacity: 0.55;
}
.quiz-option-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.quiz-option-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink);
}
.quiz-option-tag {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 20px;
}
.quiz-option-tag--free  { background: #e8f5e9; color: #2e7d32; }
.quiz-option-tag--full  { background: #e8eaf6; color: #3949ab; }
.quiz-option-tag--soon  { background: var(--surface); color: var(--ink-3); }
.quiz-option-desc {
  font-size: 0.9rem;
  color: var(--ink-2);
  margin-bottom: 20px;
  line-height: 1.5;
}

/* Quiz type badge on results */
.quiz-type-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 20px;
  vertical-align: middle;
  margin-left: 8px;
}
.quiz-type-badge--sample { background: #e8f5e9; color: #2e7d32; }
.quiz-type-badge--full   { background: #e8eaf6; color: #3949ab; }

/* CTA card (kept for any legacy references) */
.topic-cta-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 32px;
  box-shadow: var(--shadow);
  position: sticky;
  top: calc(var(--header-h) + 24px);
}
.cta-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 20px;
  font-weight: 500;
}

/* Count picker */
.count-label {
  font-size: 0.85rem;
  color: var(--ink-2);
  margin-bottom: 12px;
}
.count-options {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}
.count-opt {
  cursor: pointer;
}
.count-opt input[type="radio"] {
  display: none;
}
.count-opt span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 44px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 0.95rem;
  font-weight: 500;
  transition: border-color 0.12s, background 0.12s, color 0.12s;
  color: var(--ink-2);
}
.count-opt input:checked + span {
  border-color: var(--accent);
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}
.count-opt:hover span { border-color: var(--ink); color: var(--ink); }

/* What's covered list */
.covers-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 28px;
}
.covers-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.covers-list li {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.covers-list li:first-child { border-top: 1px solid var(--border); }
.cover-mark {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--ink-3);
  min-width: 24px;
  padding-top: 2px;
}
.covers-list strong {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 0.95rem;
}
.covers-list p {
  font-size: 0.85rem;
  color: var(--ink-2);
  line-height: 1.5;
  margin: 0;
}

/* ─── Quiz section ───────────────────────────────────────── */
.quiz-section {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 48px 16px 80px;
}
.quiz-wrap {
  width: 100%;
  max-width: var(--max-quiz);
}

.quiz-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}
.quiz-counter {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--ink);
}
.quiz-counter-of {
  color: var(--ink-3);
}
.progress-bar {
  flex: 1;
  height: 5px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 100px;
  transition: width 0.4s ease;
}

.quiz-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 44px 40px;
  box-shadow: var(--shadow-md);
}
.question-category {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  margin-bottom: 16px;
}
.question-text {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 32px;
}

/* ─── Options ────────────────────────────────────────────── */
.options-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}
.option-label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
  position: relative;
}
.option-label input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}
.opt-key {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 26px;
  height: 26px;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-3);
  flex-shrink: 0;
  margin-top: 1px;
  transition: border-color 0.12s, background 0.12s, color 0.12s;
  font-family: var(--font-body);
}
.opt-text {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ink);
}
.option-label:hover {
  border-color: var(--accent);
  background: var(--accent-light);
}
.option-label:hover .opt-key {
  border-color: var(--accent);
  color: var(--accent);
}
.option-label.selected {
  border-color: var(--accent);
  background: var(--accent-light);
}
.option-label.selected .opt-key {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

/* ─── Quiz actions ───────────────────────────────────────── */
.quiz-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.shortcut-hint {
  font-size: 0.78rem;
  color: var(--ink-3);
  text-align: center;
}
kbd {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  font-size: 0.72rem;
  font-family: var(--font-body);
  background: var(--surface);
  color: var(--ink-2);
}

/* ─── Results section ────────────────────────────────────── */
.results-section {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 16px 80px;
}
.results-wrap {
  width: 100%;
  max-width: 520px;
}
.results-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 52px 44px;
  box-shadow: var(--shadow-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.results-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}
.score-display {
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.score-num {
  font-family: var(--font-display);
  font-size: 5.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
}
.score-divider {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--border-strong);
  margin: 0 4px;
}
.score-total {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 400;
  color: var(--ink-3);
}
.score-pct {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--ink-2);
  margin-top: -8px;
}

.grade-badge {
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.grade-badge--excellent {
  background: var(--correct-bg);
  color: var(--correct);
}
.grade-badge--good {
  background: #EEF4FB;
  color: #2A4A7F;
}
.grade-badge--keep-going {
  background: #FEF6E4;
  color: #8B6010;
}
.grade-badge--keep-practicing {
  background: var(--incorrect-bg);
  color: var(--incorrect);
}

.results-message {
  font-size: 0.95rem;
  color: var(--ink-2);
  max-width: 340px;
  line-height: 1.6;
}
.results-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  margin-top: 8px;
}
.results-actions .btn {
  justify-content: center;
  width: 100%;
}

/* ─── Results: save state ────────────────────────────────── */
.results-save-state {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--r-sm);
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.results-save-state--saved {
  background: var(--correct-bg);
  color: var(--correct);
}
.save-check {
  font-size: 1rem;
  flex-shrink: 0;
}
.save-link {
  margin-left: auto;
  font-weight: 600;
  color: var(--correct);
  text-decoration: none;
}
.save-link:hover { text-decoration: underline; }
.results-save-state--prompt {
  background: var(--surface);
  border: 1px solid var(--border);
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  color: var(--ink-2);
}

/* ─── Nav right ──────────────────────────────────────────── */
.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.15s;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-link:hover { color: var(--accent); }
.nav-link--muted { color: var(--ink-3); font-weight: 400; }

/* ─── Login page ─────────────────────────────────────────── */
.login-section {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 16px 80px;
}
.login-wrap {
  width: 100%;
  max-width: 440px;
}
.login-card {
  width: 100%;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.login-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  margin-bottom: 12px;
}
.login-title {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 10px;
}
.login-sub {
  font-size: 0.9rem;
  color: var(--ink-2);
  margin-bottom: 28px;
  line-height: 1.5;
}
.login-message {
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 0.85rem;
  margin-bottom: 16px;
}
.login-message--error { background: var(--incorrect-bg); color: var(--incorrect); }
.login-message--ok    { background: var(--correct-bg);   color: var(--correct); }
.hidden { display: none !important; }

.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.form-input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--surface);
  transition: border-color 0.12s;
  outline: none;
}
.form-input:focus { border-color: var(--accent); }

.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 9px 16px; font-size: 0.85rem; }

.otp-row {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  margin-top: 20px;
}
.otp-row--error .otp-cell { border-color: var(--incorrect); }
.otp-cell {
  flex: 1;
  min-width: 0;
  height: 56px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-sm);
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--surface);
  outline: none;
  transition: border-color 0.12s;
  caret-color: var(--accent);
  -moz-appearance: textfield;
}
.otp-cell::-webkit-outer-spin-button,
.otp-cell::-webkit-inner-spin-button { -webkit-appearance: none; }
.otp-cell:focus { border-color: var(--accent); }

.btn-link {
  background: none;
  border: none;
  color: var(--ink-3);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 12px 0 0;
  display: block;
  text-align: center;
  width: 100%;
  transition: color 0.15s;
}
.btn-link:hover { color: var(--ink); }

/* ─── Profile page ───────────────────────────────────────── */
.profile-section {
  padding: 56px 0 80px;
}
.profile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.profile-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 6px;
}
.profile-email {
  font-size: 0.9rem;
  color: var(--ink-3);
}
.profile-empty {
  text-align: center;
  padding: 80px 0;
  color: var(--ink-2);
}

/* Session accordion */
.sessions-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.session-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.session-card[open] {
  border-color: var(--border-strong);
}
.session-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  list-style: none;
  gap: 16px;
  user-select: none;
}
.session-summary::-webkit-details-marker { display: none; }
.session-summary:hover { background: var(--surface); }
.session-summary-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.session-topic {
  font-weight: 600;
  font-size: 0.95rem;
}
.session-date {
  font-size: 0.8rem;
  color: var(--ink-3);
}
.session-summary-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.session-score {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
}
.session-pct {
  font-size: 0.85rem;
  color: var(--ink-2);
}
.session-chevron {
  color: var(--ink-3);
  font-size: 0.75rem;
  transition: transform 0.15s;
}

/* Response rows */
.session-responses {
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.response-row {
  display: flex;
  gap: 14px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.response-row:last-child { border-bottom: none; }
.response-row--correct { background: var(--correct-bg); }
.response-row--incorrect { background: var(--incorrect-bg); }
.response-mark {
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
  padding-top: 1px;
  min-width: 16px;
}
.response-row--correct .response-mark  { color: var(--correct); }
.response-row--incorrect .response-mark { color: var(--incorrect); }
.response-body { flex: 1; min-width: 0; }
.response-question {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.4;
}
.response-answer {
  font-size: 0.82rem;
  line-height: 1.4;
}
.response-answer--correct { color: var(--correct); }
.response-answer--wrong   { color: var(--incorrect); }

/* ─── Coming soon page ───────────────────────────────────── */
.coming-soon-page {
  padding: 80px 0;
  text-align: center;
}
.coming-soon-page .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.coming-soon-title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.coming-soon-sub {
  font-size: 1rem;
  color: var(--ink-2);
  margin-bottom: 32px;
}

/* ─── Mobile ─────────────────────────────────────────────── */
@media (max-width: 840px) {
  .topic-body-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .topic-cta-card {
    position: static;
  }
}

@media (max-width: 600px) {
  .hero-title {
    font-size: 3.8rem;
  }
  .quiz-card {
    padding: 28px 20px;
    border-radius: var(--r-md);
    border-left: none;
    border-right: none;
    box-shadow: none;
  }
  .quiz-section {
    padding: 32px 0 60px;
  }
  .results-card {
    padding: 36px 24px;
  }
  .score-num {
    font-size: 4rem;
  }
}