/*
  Denali Rx - PTCB Exam Mode CSS
  File: /wp-content/plugins/denali-ptcb-exam-access/assets/ptcb-exam.css
*/

:root {
  --denali-blue: #2563eb;
  --denali-blue-dark: #1e40af;
  --denali-green: #16a34a;
  --denali-red: #dc2626;
  --denali-yellow: #f59e0b;
  --denali-bg: #f8fafc;
  --denali-card: #ffffff;
  --denali-text: #0f172a;
  --denali-muted: #64748b;
  --denali-border: #e2e8f0;
  --denali-soft-blue: #eff6ff;
  --denali-soft-green: #ecfdf5;
  --denali-soft-red: #fef2f2;
  --denali-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  --denali-radius: 18px;
}

.denali-ptcb-exam-app,
.denali-ptcb-exam-app * {
  box-sizing: border-box;
}

.denali-ptcb-exam-app {
  width: 100%;
  margin: 0;
  padding: 0;
  color: var(--denali-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

.denali-exam-shell {
  width: min(1100px, 100%);
  margin: 0 auto;
  padding: 22px;
  background: linear-gradient(135deg, #eef2ff 0%, #f8fafc 45%, #ecfeff 100%);
  border-radius: 24px;
}

.denali-exam-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.denali-brand-block h1 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--denali-text);
}

.denali-brand-block p {
  margin: 6px 0 0;
  color: var(--denali-muted);
  font-size: 1rem;
  line-height: 1.5;
}

.denali-timer-pill {
  background: var(--denali-card);
  border: 1px solid var(--denali-border);
  box-shadow: var(--denali-shadow);
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 900;
  color: var(--denali-blue-dark);
  min-width: 122px;
  text-align: center;
  white-space: nowrap;
}

.denali-screen {
  display: none;
}

.denali-screen.active {
  display: block;
}

.denali-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--denali-radius);
  box-shadow: var(--denali-shadow);
  padding: clamp(18px, 4vw, 30px);
  backdrop-filter: blur(12px);
}

.denali-hero-card {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 22px;
  align-items: center;
}

.denali-eyebrow {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 11px;
  margin-bottom: 12px;
  background: var(--denali-soft-blue);
  color: var(--denali-blue-dark);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.denali-hero-card h2,
.denali-card h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.05;
  margin: 0 0 12px;
  letter-spacing: -0.05em;
  color: var(--denali-text);
}

.denali-hero-card p,
.denali-card p {
  color: var(--denali-muted);
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0 0 18px;
}

.denali-mode-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 18px;
}

.denali-mode-box {
  border: 1px solid var(--denali-border);
  border-radius: 16px;
  padding: 16px;
  background: #fff;
}

.denali-mode-box strong {
  display: block;
  margin-bottom: 6px;
  color: var(--denali-text);
}

.denali-mode-box span {
  color: var(--denali-muted);
  font-size: 0.92rem;
  line-height: 1.4;
}

.denali-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.denali-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 14px;
  padding: 13px 18px;
  font-weight: 900;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, opacity 0.15s ease;
  line-height: 1.2;
}

.denali-btn:hover {
  transform: translateY(-1px);
  text-decoration: none !important;
}

.denali-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.denali-btn-primary {
  background: linear-gradient(135deg, var(--denali-blue), var(--denali-blue-dark));
  color: white !important;
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.25);
}

.denali-btn-secondary {
  background: #e2e8f0;
  color: var(--denali-text) !important;
}

.denali-btn-danger {
  background: var(--denali-red);
  color: white !important;
}

.denali-btn-outline {
  background: white;
  color: var(--denali-blue-dark) !important;
  border: 1px solid var(--denali-border);
}

.denali-btn-link {
  color: white !important;
}

.denali-notice {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
  font-weight: 700;
  line-height: 1.45;
}

.denali-notice a {
  color: #92400e;
  font-weight: 900;
  text-decoration: underline;
}

.denali-exam-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 18px;
}

.denali-exam-topbar {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-bottom: 16px;
}

.denali-progress-wrap {
  flex: 1;
}

.denali-progress-label {
  display: flex;
  justify-content: space-between;
  color: var(--denali-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
  gap: 12px;
}

.denali-progress-track {
  height: 10px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}

.denali-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--denali-blue), #06b6d4);
  border-radius: 999px;
  transition: width 0.25s ease;
}

.denali-question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.denali-tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 10px;
  background: var(--denali-soft-blue);
  color: var(--denali-blue-dark);
  font-size: 0.8rem;
  font-weight: 900;
}

.denali-tag.warn {
  background: #fffbeb;
  color: #92400e;
}

.denali-question-text {
  font-size: clamp(1.25rem, 3vw, 1.75rem) !important;
  line-height: 1.35 !important;
  margin: 0 0 18px !important;
  letter-spacing: -0.025em;
  color: var(--denali-text) !important;
}

.denali-choices {
  display: grid;
  gap: 12px;
}

.denali-choice-btn {
  width: 100%;
  text-align: left;
  border: 2px solid var(--denali-border);
  background: #fff;
  color: var(--denali-text);
  border-radius: 16px;
  padding: 15px 16px;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1.4;
  transition: border 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.denali-choice-btn:hover {
  border-color: #93c5fd;
  background: #f8fbff;
  transform: translateY(-1px);
}

.denali-choice-btn.selected {
  border-color: var(--denali-blue);
  background: var(--denali-soft-blue);
  font-weight: 900;
}

.denali-sidebar {
  align-self: start;
  position: sticky;
  top: 18px;
}

.denali-sidebar > strong {
  display: block;
  color: var(--denali-text);
}

.denali-nav-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.denali-nav-dot {
  height: 38px;
  border: 1px solid var(--denali-border);
  background: #fff;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 900;
  color: var(--denali-muted);
  padding: 0;
}

.denali-nav-dot.current {
  background: var(--denali-blue);
  color: #fff;
  border-color: var(--denali-blue);
}

.denali-nav-dot.answered {
  background: var(--denali-soft-green);
  color: #166534;
  border-color: #86efac;
}

.denali-nav-dot.current.answered {
  background: var(--denali-blue);
  color: #fff;
  border-color: var(--denali-blue);
}

.denali-nav-dot.flagged::after {
  content: " ⚑";
  color: var(--denali-yellow);
}

.denali-stats-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.denali-stat-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--denali-muted);
  font-size: 0.95rem;
}

.denali-stat-row strong {
  color: var(--denali-text);
}

.denali-results-score {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 20px;
  align-items: center;
}

.denali-score-circle {
  width: 190px;
  height: 190px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--denali-blue) 0deg, var(--denali-blue) var(--score-deg), #e2e8f0 var(--score-deg), #e2e8f0 360deg);
  margin: auto;
  position: relative;
}

.denali-score-circle::before {
  content: "";
  position: absolute;
  width: 142px;
  height: 142px;
  border-radius: 50%;
  background: #fff;
}

.denali-score-circle span {
  position: relative;
  font-size: 2.5rem;
  font-weight: 950;
  color: var(--denali-blue-dark);
}

.denali-domain-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 18px;
  overflow: hidden;
  border-radius: 14px;
}

.denali-domain-table th,
.denali-domain-table td {
  padding: 12px;
  border-bottom: 1px solid var(--denali-border);
  text-align: left;
}

.denali-domain-table th {
  background: #f1f5f9;
  font-size: 0.85rem;
  color: var(--denali-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.denali-domain-table td {
  color: var(--denali-text);
}

.denali-section-title {
  margin-top: 24px;
  margin-bottom: 12px;
  color: var(--denali-text);
}

.denali-missed-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.denali-missed-card {
  border: 1px solid var(--denali-border);
  border-radius: 16px;
  padding: 14px;
  background: #fff;
}

.denali-missed-card h4 {
  margin: 0 0 8px;
  color: var(--denali-text);
  line-height: 1.35;
}

.denali-missed-card p {
  margin: 6px 0;
  color: var(--denali-muted);
  line-height: 1.45;
  font-size: 0.98rem;
}

.denali-correct-text {
  color: var(--denali-green);
  font-weight: 900;
}

.denali-wrong-text {
  color: var(--denali-red);
  font-weight: 900;
}

.denali-save-status {
  margin-top: 12px;
  color: var(--denali-muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.denali-error {
  background: var(--denali-soft-red);
  border-color: #fecaca;
  color: #991b1b;
  font-weight: 800;
}

.denali-choice-btn.correct {
  border-color: #16a34a;
  background: #ecfdf5;
  color: #166534;
}

.denali-choice-btn.wrong {
  border-color: #dc2626;
  background: #fef2f2;
  color: #991b1b;
}

.denali-choice-btn:disabled {
  cursor: default;
  opacity: 1;
}

.denali-review-explanation {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 14px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e3a8a;
  line-height: 1.5;
}

.denali-email-results-box {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--denali-border);
  border-radius: 16px;
  background: #fff;
}

.denali-email-results-box h3 {
  margin: 0 0 6px;
  color: var(--denali-text);
}

.denali-email-results-box p {
  margin: 0 0 12px;
  color: var(--denali-muted);
}

.denali-email-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.denali-email-row input {
  flex: 1;
  min-width: 240px;
  border: 1px solid var(--denali-border);
  border-radius: 12px;
  padding: 12px;
  font-size: 1rem;
}

@media (max-width: 860px) {
  .denali-exam-shell {
    padding: 14px;
    border-radius: 18px;
  }

  .denali-hero-card,
  .denali-exam-layout,
  .denali-results-score {
    grid-template-columns: 1fr;
  }

  .denali-exam-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .denali-timer-pill {
    width: 100%;
  }

  .denali-sidebar {
    position: static;
  }

  .denali-button-row {
    flex-direction: column;
  }

  .denali-btn {
    width: 100%;
  }

  .denali-progress-label {
    flex-direction: column;
  }
}

/* ─── Quiz Start Screen ──────────────────────────────────────────── */

.denali-quiz-start-card {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--denali-radius);
  box-shadow: var(--denali-shadow);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

/* Hero section — centered, gradient background */
.denali-quiz-start-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: clamp(32px, 6vw, 56px) clamp(20px, 6vw, 56px) clamp(28px, 4vw, 40px);
  background: linear-gradient(160deg, #eef2ff 0%, #f8fafc 60%, #ecfdf5 100%);
  border-bottom: 1px solid var(--denali-border);
}

.denali-quiz-start-icon {
  font-size: 3rem;
  line-height: 1;
  margin-bottom: 14px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.12));
}

.denali-quiz-start-hero .denali-eyebrow {
  margin-bottom: 10px;
}

.denali-quiz-start-title {
  font-size: clamp(1.9rem, 4.5vw, 3rem) !important;
  line-height: 1.05 !important;
  letter-spacing: -0.05em;
  margin: 0 0 12px !important;
  color: var(--denali-text) !important;
  max-width: 640px;
}

.denali-quiz-start-subtitle {
  color: var(--denali-muted) !important;
  font-size: 1.05rem !important;
  line-height: 1.6 !important;
  margin: 0 !important;
  max-width: 480px;
}

/* Stat strip — 4 stats in a horizontal band */
.denali-quiz-stat-strip {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--denali-border);
}

.denali-quiz-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 22px 12px;
  text-align: center;
}

.denali-quiz-stat-divider {
  width: 1px;
  background: var(--denali-border);
  flex-shrink: 0;
}

.denali-quiz-stat-icon {
  font-size: 1.35rem;
  line-height: 1;
  margin-bottom: 2px;
}

.denali-quiz-stat-value {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--denali-text);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.denali-quiz-stat-value--sm {
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.denali-quiz-stat-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--denali-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Tips row */
.denali-quiz-start-tips {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--denali-border);
  background: #f8fafc;
}

.denali-quiz-tip {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 18px 20px;
  font-size: 0.9rem;
  color: var(--denali-muted);
  line-height: 1.45;
  border-right: 1px solid var(--denali-border);
}

.denali-quiz-tip:last-child {
  border-right: none;
}

.denali-quiz-tip-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Footer — CTA */
.denali-quiz-start-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: clamp(24px, 4vw, 36px) clamp(20px, 6vw, 56px);
}

.denali-quiz-start-btn {
  font-size: 1.15rem !important;
  padding: 16px 40px !important;
  border-radius: 16px !important;
  letter-spacing: -0.01em;
  min-width: 200px;
}

.denali-quiz-start-footer .denali-notice {
  margin-top: 0;
  width: 100%;
  max-width: 480px;
  text-align: center;
}

/* Responsive */
@media (max-width: 680px) {
  .denali-quiz-stat-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .denali-quiz-stat-divider {
    display: none;
  }

  .denali-quiz-stat:nth-child(1),
  .denali-quiz-stat:nth-child(3) {
    border-right: 1px solid var(--denali-border);
  }

  .denali-quiz-stat:nth-child(1),
  .denali-quiz-stat:nth-child(2) {
    border-bottom: 1px solid var(--denali-border);
  }

  .denali-quiz-start-tips {
    flex-direction: column;
  }

  .denali-quiz-tip {
    border-right: none;
    border-bottom: 1px solid var(--denali-border);
  }

  .denali-quiz-tip:last-child {
    border-bottom: none;
  }

  .denali-quiz-start-btn {
    width: 100%;
  }
}