/* ============================================================
   SixPack — Main Stylesheet
   Mobile-first, dark-mode default, CSS custom properties
   ============================================================ */

:root {
  --bg:           #0f1923;
  --surface:      #162030;
  --surface-2:    #1e2e42;
  --border:       #253a54;
  --accent:       #2dd4bf;
  --accent-dim:   #0f766e;
  --text:         #dde6f0;
  --text-dim:     #7fa0be;
  --text-faint:   #3d5a78;
  --correct:      #22c55e;
  --correct-bg:   rgba(34, 197, 94, 0.12);
  --wrong:        #f87171;
  --wrong-bg:     rgba(248, 113, 113, 0.12);
  --badge-free:   #f59e0b;
  --badge-free-bg: rgba(245, 158, 11, 0.15);
  --radius:       14px;
  --radius-sm:    8px;
  --shadow:       0 4px 24px rgba(0, 0, 0, 0.5);
  --max-w:        680px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg:          #eef2f7;
    --surface:     #ffffff;
    --surface-2:   #f1f5f9;
    --border:      #cbd5e1;
    --text:        #0f172a;
    --text-dim:    #475569;
    --text-faint:  #94a3b8;
    --correct-bg:  rgba(34, 197, 94, 0.10);
    --wrong-bg:    rgba(239, 68, 68, 0.08);
    --badge-free-bg: rgba(245, 158, 11, 0.12);
    --shadow:      0 4px 16px rgba(0, 0, 0, 0.08);
  }
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100dvh;
}

a  { color: inherit; text-decoration: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }
img { max-width: 100%; }

/* ── App shell ── */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* ── Header ── */
.app-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.logo {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 7px;
}
.logo-anchor { font-size: 1.25rem; }

.header-tagline {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.header-back {
  color: var(--text-dim);
  font-size: 0.88rem;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  margin-right: auto;
  transition: background 150ms, border-color 150ms;
}
.header-back:hover {
  background: var(--surface-2);
  border-color: var(--border);
}

/* ── Main content container ── */
#screen {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  padding: 28px 16px 60px;
  flex: 1;
}

/* ── Footer ── */
.app-footer {
  border-top: 1px solid var(--border);
  padding: 18px 20px;
  text-align: center;
  font-size: 0.76rem;
  color: var(--text-faint);
  line-height: 1.6;
}

/* ── Loading / error state ── */
.loading {
  text-align: center;
  color: var(--text-dim);
  padding: 64px 0;
}
.error-msg {
  background: var(--wrong-bg);
  border: 1px solid var(--wrong);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--wrong);
  font-size: 0.9rem;
}

/* ── Badges ── */
.badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 99px;
  text-transform: uppercase;
  width: fit-content;
}
.badge-free   { background: var(--badge-free-bg); color: var(--badge-free);  border: 1px solid var(--badge-free); }
.badge-locked { background: var(--surface-2);     color: var(--text-dim);    border: 1px solid var(--border); }
.badge-soon   { background: var(--surface-2);     color: var(--text-faint);  border: 1px solid var(--border); }

/* ============================================================
   HOME — Module picker
   ============================================================ */

.home-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.home-subtitle {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-bottom: 28px;
}

.module-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (min-width: 520px) {
  .module-grid { grid-template-columns: repeat(3, 1fr); }
}

.module-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 14px;
  cursor: pointer;
  transition: border-color 150ms, transform 150ms, box-shadow 150ms;
  display: flex;
  flex-direction: column;
  gap: 7px;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}
.module-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.module-card:active { transform: translateY(0); }

.module-card.locked {
  opacity: 0.65;
}
.module-card.locked:hover {
  border-color: var(--border);
  transform: none;
  box-shadow: none;
  cursor: default;
}

.module-card.coming-soon {
  opacity: 0.4;
  cursor: default;
}
.module-card.coming-soon:hover {
  border-color: var(--border);
  transform: none;
  box-shadow: none;
}

.module-icon { font-size: 1.9rem; line-height: 1; }
.module-name {
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.3;
}
.module-desc {
  font-size: 0.74rem;
  color: var(--text-dim);
  line-height: 1.4;
}
.module-meta {
  font-size: 0.73rem;
  color: var(--text-faint);
  margin-top: auto;
  padding-top: 4px;
}

/* ============================================================
   QUIZ
   ============================================================ */

.quiz-header {
  margin-bottom: 22px;
}
.quiz-module-name {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.quiz-progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 8px;
}
.quiz-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 350ms ease;
}
.quiz-counter {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.question-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  margin-bottom: 14px;
}
.question-text {
  font-size: 1.05rem;
  line-height: 1.7;
  font-weight: 500;
}

.choices {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}

.choice-btn {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  text-align: left;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: border-color 120ms, background 120ms;
  font-size: 0.95rem;
  line-height: 1.5;
  width: 100%;
  -webkit-tap-highlight-color: transparent;
}
.choice-btn:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--surface-2);
}
.choice-btn:disabled { cursor: default; }

.choice-key {
  font-weight: 700;
  color: var(--accent);
  min-width: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.choice-btn.correct {
  border-color: var(--correct) !important;
  background: var(--correct-bg) !important;
}
.choice-btn.correct .choice-key { color: var(--correct); }

.choice-btn.wrong {
  border-color: var(--wrong) !important;
  background: var(--wrong-bg) !important;
}
.choice-btn.wrong .choice-key { color: var(--wrong); }

/* Explanation */
.explanation-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  line-height: 1.65;
  animation: fade-in 200ms ease;
}
.explanation-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.explanation-citation {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--text-dim);
  font-style: italic;
}

/* ── Buttons ── */
.btn-primary {
  background: var(--accent);
  color: #0a1520;
  font-weight: 700;
  padding: 15px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  width: 100%;
  transition: opacity 120ms, transform 80ms;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary:hover  { opacity: 0.88; }
.btn-primary:active { transform: scale(0.99); }

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1.5px solid var(--border);
  font-weight: 600;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: border-color 120ms;
}
.btn-secondary:hover { border-color: var(--accent); }

/* ============================================================
   RESULTS
   ============================================================ */

.results-header {
  text-align: center;
  padding: 8px 0 32px;
}
.results-module {
  color: var(--text-dim);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.results-score {
  font-size: 5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 6px;
}
.results-score.score-pass { color: var(--correct); }
.results-score.score-fail { color: var(--wrong); }
.results-score-label {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-bottom: 18px;
}
.results-verdict {
  display: inline-block;
  padding: 7px 20px;
  border-radius: 99px;
  font-weight: 700;
  font-size: 0.88rem;
}
.verdict-pass { background: var(--correct-bg); color: var(--correct);  border: 1.5px solid var(--correct); }
.verdict-fail { background: var(--wrong-bg);   color: var(--wrong);    border: 1.5px solid var(--wrong); }

.results-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
}
.results-actions .btn-primary,
.results-actions .btn-secondary { flex: 1; }

.results-section-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.result-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.result-icon { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.result-q    { font-size: 0.84rem; line-height: 1.45; margin-bottom: 5px; }
.result-answer { font-size: 0.78rem; line-height: 1.5; }
.answer-correct { color: var(--correct); }
.answer-wrong   { color: var(--wrong); }

/* ── Results: work on mistakes link ── */
.link-mistakes {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  padding: 6px 14px;
  border: 1.5px solid var(--accent);
  border-radius: 99px;
  transition: background 150ms;
}
.link-mistakes:hover { background: rgba(45, 212, 191, 0.1); }

/* ── Module card: progress stats (M4) ── */
.module-stat-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.73rem;
  flex-wrap: wrap;
}
.stat-pct      { color: var(--text-dim); }
.stat-due      { color: var(--badge-free); font-weight: 600; }
.stat-mistakes { color: var(--wrong);      font-weight: 600; }

.module-progress-bar {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 4px;
}
.module-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 400ms ease;
}

/* ── Animations ── */
@keyframes fade-in {
  from { opacity: 0; transform: translateY(5px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fade-in 220ms ease both; }

/* ============================================================
   MOCK EXAM — Home CTA on module picker
   ============================================================ */

.mock-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--surface);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-top: 20px;
}
.mock-cta-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 3px;
}
.mock-cta-desc {
  font-size: 0.78rem;
  color: var(--text-dim);
}
.mock-cta-btn {
  background: var(--accent);
  color: #0a1520;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity 120ms;
}
.mock-cta-btn:hover { opacity: 0.88; }

/* ============================================================
   MOCK EXAM — Info box on #mock home screen
   ============================================================ */

.mock-exam-info-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mock-info-row {
  display: flex;
  gap: 12px;
  font-size: 0.82rem;
  line-height: 1.4;
}
.mock-info-label {
  color: var(--text-dim);
  min-width: 80px;
  flex-shrink: 0;
}
.external-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ============================================================
   MOCK EXAM — Module list on #mock screen
   ============================================================ */

.mock-module-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mock-module-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}
.mock-module-info  { flex: 1; min-width: 0; }
.mock-module-code  { font-size: 0.7rem; font-weight: 700; color: var(--accent); letter-spacing: 0.06em; text-transform: uppercase; }
.mock-module-name  { font-size: 0.88rem; font-weight: 600; margin: 3px 0; line-height: 1.3; }
.mock-module-meta  { font-size: 0.74rem; color: var(--text-dim); }

.mock-start-btn {
  background: var(--accent);
  color: #0a1520;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
  cursor: pointer;
  border: none;
  transition: opacity 120ms;
}
.mock-start-btn:hover:not(:disabled) { opacity: 0.88; }
.mock-start-btn:disabled {
  background: var(--border);
  color: var(--text-faint);
  cursor: default;
}

/* ============================================================
   MOCK EXAM — Timed quiz session
   ============================================================ */

.mock-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}
.mock-timer-wrap { text-align: right; flex-shrink: 0; }
.mock-timer-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  display: block;
  margin-bottom: 1px;
}
.mock-timer {
  font-size: 1.15rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.mock-timer.timer-warning { color: var(--wrong); }

.mock-answered-count { color: var(--text-faint); }

/* Mock exam: selected answer — accent border, no green/red */
.choice-btn.mock-selected {
  border-color: var(--accent) !important;
  background: rgba(45, 212, 191, 0.08) !important;
}
.choice-btn.mock-selected .choice-key { color: var(--accent); }

/* Prev/Next navigation row */
.mock-nav {
  display: flex;
  gap: 10px;
}
.mock-nav .btn-secondary { width: auto; flex-shrink: 0; }
.mock-nav .btn-primary   { flex: 1; }
.mock-nav .btn-secondary:disabled {
  opacity: 0.35;
  cursor: default;
}

/* ============================================================
   MOCK EXAM — Results
   ============================================================ */

.mock-timeout-banner {
  background: var(--wrong-bg);
  border: 1px solid var(--wrong);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.88rem;
  color: var(--wrong);
  font-weight: 600;
  margin-bottom: 20px;
}
.mock-official-note {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-faint);
}

/* ============================================================
   HOME — Process Tools section
   ============================================================ */

.tools-section { margin-top: 20px; }
.tools-section-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 10px;
}
.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.tool-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 150ms, transform 150ms;
  -webkit-tap-highlight-color: transparent;
}
.tool-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.tool-icon { font-size: 1.5rem; }
.tool-name { font-size: 0.85rem; font-weight: 600; line-height: 1.3; }
.tool-desc { font-size: 0.74rem; color: var(--text-dim); line-height: 1.4; }

/* ============================================================
   SEA-TIME CALCULATOR
   ============================================================ */

.st-summary {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.st-bar-item { }
.st-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 6px;
}
.st-bar-label { font-size: 0.82rem; font-weight: 500; }
.st-bar-value {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-weight: 600;
  white-space: nowrap;
}
.st-bar-value.st-done { color: var(--correct); }
.st-done { color: var(--correct); font-weight: 700; }

.st-bar-track {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 3px;
}
.st-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 400ms ease;
  background: var(--accent);
}
.st-bar-authority { font-size: 0.7rem; color: var(--text-faint); }

/* Form */
.st-form-section {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 20px;
}
.st-form-title {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--accent);
}
.st-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}
.st-form-row-full { margin-bottom: 10px; }
.st-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 500;
}
.st-input {
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  width: 100%;
  transition: border-color 150ms;
}
.st-input:focus { outline: none; border-color: var(--accent); }

.st-form-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.st-form-actions .btn-primary  { flex: 1; }
.st-form-actions .btn-secondary { width: auto; }
.st-form-error {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--wrong);
  padding: 8px 12px;
  background: var(--wrong-bg);
  border-radius: var(--radius-sm);
}

/* Voyage log */
.st-log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.st-log-hint { font-size: 0.74rem; color: var(--text-faint); }
.st-log { display: flex; flex-direction: column; gap: 8px; }

.st-voyage-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.st-voyage-info { flex: 1; min-width: 0; }
.st-voyage-dates { font-size: 0.82rem; font-weight: 600; margin-bottom: 4px; }
.st-voyage-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.76rem;
}
.st-voyage-days    { color: var(--accent); font-weight: 700; }
.st-voyage-waters  { color: var(--text-dim); }
.st-voyage-waters.qualifying { color: var(--correct); font-weight: 600; }
.st-voyage-vessel  { color: var(--text-dim); font-style: italic; }
.st-voyage-notes   { color: var(--text-faint); }
.st-voyage-actions { display: flex; gap: 4px; flex-shrink: 0; }
.st-action-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  opacity: 0.7;
  transition: opacity 120ms, background 120ms;
}
.st-action-btn:hover { opacity: 1; background: var(--surface-2); }

.st-empty {
  text-align: center;
  color: var(--text-faint);
  font-size: 0.88rem;
  padding: 32px 0;
}
.st-source {
  margin-top: 24px;
  font-size: 0.75rem;
  color: var(--text-faint);
}

/* ============================================================
   APPLICATION CHECKLIST
   ============================================================ */

.cl-progress-box {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 24px;
}
.cl-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
  gap: 8px;
}
.cl-progress-label { font-size: 0.88rem; font-weight: 600; }
.cl-progress-value {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-weight: 600;
  white-space: nowrap;
}
.cl-progress-value.st-done { color: var(--correct); }

.cl-phase { margin-bottom: 24px; }
.cl-phase-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.cl-item {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  transition: border-color 150ms, opacity 150ms;
}
.cl-item-done {
  border-color: var(--correct);
  opacity: 0.75;
}

.cl-item-label {
  display: flex;
  gap: 12px;
  padding: 14px;
  cursor: pointer;
  align-items: flex-start;
}

.cl-checkbox {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  flex-shrink: 0;
  cursor: pointer;
}

.cl-item-content { flex: 1; min-width: 0; }
.cl-item-title {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 4px;
}
.cl-item-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: 6px;
}
.cl-item-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 4px;
}
.cl-authority {
  font-size: 0.72rem;
  color: var(--text-faint);
  font-style: italic;
}
.cl-form-link {
  font-size: 0.75rem;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.cl-tip {
  font-size: 0.78rem;
  color: var(--text-dim);
  background: var(--surface-2);
  border-left: 3px solid var(--accent-dim);
  padding: 6px 10px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  line-height: 1.5;
  margin-top: 4px;
}

/* ============================================================
   AUTH — Header user chip
   ============================================================ */

.header-user {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.header-user-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 700;
}
.header-user-logout {
  font-size: 0.7rem;
  color: var(--text-faint);
  padding: 2px 5px;
  border-radius: 4px;
  transition: color 120ms, background 120ms;
  cursor: pointer;
}
.header-user-logout:hover { color: var(--wrong); background: var(--wrong-bg); }

/* ============================================================
   AUTH — Email gate modal
   ============================================================ */

.email-gate-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  backdrop-filter: blur(4px);
  animation: fade-in 180ms ease;
  transition: opacity 150ms;
}

.email-gate-modal {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  max-width: 420px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow);
  animation: fade-in 220ms ease both;
}

.email-gate-close {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 0.9rem;
  color: var(--text-faint);
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  transition: color 120ms, background 120ms;
}
.email-gate-close:hover { color: var(--text); background: var(--surface-2); }

.email-gate-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
}
.email-gate-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.email-gate-desc {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 20px;
}

.email-gate-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}
.email-gate-input {
  font-size: 1rem !important;
  padding: 12px 14px !important;
}
.email-gate-error {
  font-size: 0.82rem;
  color: var(--wrong);
  padding: 8px 12px;
  background: var(--wrong-bg);
  border-radius: var(--radius-sm);
}

.email-gate-skip {
  display: block;
  width: 100%;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-dim);
  padding: 8px 0;
  border-radius: var(--radius-sm);
  transition: color 120ms;
  cursor: pointer;
}
.email-gate-skip:hover { color: var(--accent); }

.email-gate-fine {
  text-align: center;
  font-size: 0.74rem;
  color: var(--text-faint);
  margin-top: 12px;
}

/* Success state */
.email-gate-success { text-align: center; padding: 8px 0; }
.email-gate-success-icon  { font-size: 2.4rem; margin-bottom: 12px; }
.email-gate-success-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.email-gate-success-desc {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 16px;
}

/* ============================================================
   CHECKOUT MODAL
   ============================================================ */

.checkout-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  backdrop-filter: blur(4px);
  animation: fade-in 180ms ease;
  transition: opacity 150ms;
}
.checkout-modal {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  max-width: 440px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow);
  animation: fade-in 220ms ease both;
}

.co-header  { text-align: center; margin-bottom: 20px; }
.co-icon    { font-size: 2.2rem; margin-bottom: 8px; }
.co-title   { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.co-price-line { display: flex; align-items: baseline; justify-content: center; gap: 8px; }
.co-price   { font-size: 2rem; font-weight: 800; color: var(--accent); letter-spacing: -0.03em; }
.co-price-note { font-size: 0.82rem; color: var(--text-dim); }

.co-features {
  list-style: none;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.co-features li { font-size: 0.88rem; color: var(--text-dim); line-height: 1.4; }
.co-features li::before { content: ''; }

.co-promo-row {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
}
.co-promo-input { flex: 1; }
.co-promo-btn   { flex-shrink: 0; }
.co-promo-msg   { font-size: 0.82rem; padding: 6px 10px; border-radius: var(--radius-sm); margin-bottom: 10px; }
.co-promo-ok    { color: var(--correct); background: var(--correct-bg); }
.co-promo-err   { color: var(--wrong);   background: var(--wrong-bg); }

.co-actions { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.co-dev-btn {
  font-size: 0.8rem;
  color: var(--text-faint);
  border-color: var(--border);
  padding: 8px;
}
.co-stub-notice {
  font-size: 0.8rem;
  color: var(--text-dim);
  background: var(--surface-2);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}
.co-fine {
  text-align: center;
  font-size: 0.74rem;
  color: var(--text-faint);
}

/* Upgrade banner on preview results */
.co-upgrade-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border: 1.5px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 20px;
}
.co-upgrade-text { font-size: 0.85rem; color: var(--text-dim); line-height: 1.5; flex: 1; }
.co-upgrade-btn  {
  background: var(--accent);
  color: #0a1520;
  font-weight: 700;
  font-size: 0.82rem;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
  cursor: pointer;
  border: none;
  transition: opacity 120ms;
}
.co-upgrade-btn:hover { opacity: 0.88; }

/* Dev simulate confirmation */
.co-sim-banner {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-size: 0.82rem;
  color: var(--text-dim);
  z-index: 2000;
  white-space: nowrap;
}