/* Progressive Adaptive Learning — EDCLEX UX brief (June 2026) */
@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:wght@400;700&family=Source+Sans+3:wght@400;500;600;700&display=swap');

.pal-page {
  --pal-canvas: #f7f2ea;
  --pal-surface: #fffdf8;
  --pal-ink: #1f2a24;
  --pal-muted: #5c675f;
  --pal-line: #e4ddd0;
  --pal-teal: #1f5c4e;
  --pal-teal-soft: #e8f3ef;
  --pal-teal-mid: #2a7a66;
  --pal-gold: #b08d3a;
  --pal-gold-soft: #f5edd6;
  --pal-blue-soft: #eef4f8;
  --pal-amber: #c4892a;
  --pal-amber-soft: #f8efd9;
  --pal-coral: #b85c4a;
  --pal-coral-soft: #f8ebe7;
  --pal-l1: #0d9488;
  --pal-l2: #2563eb;
  --pal-l3: #4338ca;
  --pal-l4: #7c3aed;
  --pal-l5: #b08d3a;
  min-height: 100vh;
  background: var(--pal-canvas);
  color: var(--pal-ink);
  font-family: 'Source Sans 3', 'Segoe UI', sans-serif;
}

@media (prefers-reduced-motion: reduce) {
  .pal-page *,
  .pal-page *::before,
  .pal-page *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

.pal-page h1,
.pal-page h2,
.pal-page .pal-serif {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-weight: 700;
  color: var(--pal-teal);
  letter-spacing: -0.01em;
}

.pal-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}

.pal-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--pal-line);
}

.pal-breadcrumb {
  font-size: 0.85rem;
  color: var(--pal-muted);
}

.pal-breadcrumb a {
  color: var(--pal-teal);
  text-decoration: none;
}

.pal-breadcrumb a:hover {
  text-decoration: underline;
}

.pal-identity {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--pal-line);
  background: var(--pal-surface);
  color: var(--pal-teal);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pal-identity svg {
  width: 14px;
  height: 14px;
}

.pal-exit-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--pal-muted);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.35rem 0.55rem;
}

.pal-exit-link:hover,
.pal-exit-link:focus-visible {
  color: var(--pal-teal);
  border-color: var(--pal-line);
  outline: none;
}

.pal-layout-62-38,
.pal-layout-68-32,
.pal-layout-60-40 {
  display: grid;
  gap: 1.25rem;
  align-items: start;
}

@media (min-width: 992px) {
  .pal-layout-62-38 { grid-template-columns: 1.62fr 1fr; }
  .pal-layout-68-32 { grid-template-columns: 2.1fr 1fr; }
  .pal-layout-60-40 { grid-template-columns: 1.5fr 1fr; }
}

.pal-card {
  background: var(--pal-surface);
  border: 1px solid var(--pal-line);
  border-radius: 14px;
  padding: 1.15rem 1.25rem;
}

.pal-card + .pal-card {
  margin-top: 0.9rem;
}

.pal-card h2 {
  font-size: 1.05rem;
  margin: 0 0 0.65rem;
}

.pal-lead {
  color: var(--pal-muted);
  font-size: 1.02rem;
  line-height: 1.55;
  margin: 0.35rem 0 1rem;
}

.pal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 48px;
  padding: 0.6rem 1.15rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.pal-btn:focus-visible {
  outline: 3px solid rgba(31, 92, 78, 0.35);
  outline-offset: 2px;
}

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

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

.pal-btn-secondary {
  background: transparent;
  color: var(--pal-teal);
  border-color: var(--pal-teal);
}

.pal-btn-secondary:hover {
  background: var(--pal-teal-soft);
  color: var(--pal-teal);
}

.pal-btn-ghost {
  background: transparent;
  color: var(--pal-muted);
  border: none;
  text-decoration: underline;
  min-height: auto;
  padding: 0.4rem 0.2rem;
}

.pal-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.pal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.pal-status {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--pal-gold-soft);
  color: #7a6320;
}

.pal-status.done {
  background: var(--pal-teal-soft);
  color: var(--pal-teal);
}

.pal-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.pal-path-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.55rem;
  border-radius: 10px;
  border: 1px solid transparent;
}

.pal-path-item .num {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  background: #e8e4db;
  color: var(--pal-muted);
  flex-shrink: 0;
}

.pal-path-item.current {
  background: var(--pal-blue-soft);
  border-color: #c9d8e4;
}

.pal-path-item.unlocked .num,
.pal-path-item.current .num {
  background: var(--pal-teal);
  color: #fff;
}

.pal-path-item.completed .num {
  background: var(--pal-gold);
  color: #fff;
}

.pal-path-item.locked {
  opacity: 0.55;
}

.pal-path-item .label {
  font-weight: 600;
  font-size: 0.92rem;
}

.pal-path-item .meta {
  display: block;
  font-size: 0.75rem;
  color: var(--pal-muted);
  font-weight: 500;
}

.pal-rec-card {
  border: 1.5px solid var(--pal-teal);
  background: linear-gradient(180deg, #fff 0%, var(--pal-teal-soft) 140%);
  box-shadow: 0 8px 24px rgba(31, 92, 78, 0.08);
}

.pal-rec-card .eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pal-teal);
  margin-bottom: 0.35rem;
}

.pal-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0;
}

.pal-level-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid var(--pal-line);
  background: #fff;
  color: var(--pal-ink);
}

.pal-level-chip .pal-level-num {
  display: inline-flex;
  width: 1.25rem;
  height: 1.25rem;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  font-size: 0.7rem;
  background: var(--pal-teal);
}

.pal-level-chip.l1 .pal-level-num { background: var(--pal-l1); }
.pal-level-chip.l2 .pal-level-num { background: var(--pal-l2); }
.pal-level-chip.l3 .pal-level-num { background: var(--pal-l3); }
.pal-level-chip.l4 .pal-level-num { background: var(--pal-l4); }
.pal-level-chip.l5 .pal-level-num { background: var(--pal-l5); }

.pal-evidence {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.85rem;
}

.pal-beads {
  display: flex;
  gap: 0.35rem;
}

.pal-bead {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 50%;
  border: 1.5px solid var(--pal-line);
  background: #f0ebe2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.62rem;
  font-weight: 800;
  color: transparent;
}

.pal-bead.I { background: var(--pal-teal-soft); border-color: #8fc4b4; color: var(--pal-teal); }
.pal-bead.A { background: var(--pal-amber-soft); border-color: #e0c48a; color: #8a6218; }
.pal-bead.R { background: var(--pal-blue-soft); border-color: #b7c9d8; color: #355f7a; }
.pal-bead.F { background: var(--pal-coral-soft); border-color: #e0b4aa; color: var(--pal-coral); }
.pal-bead.empty { color: transparent; }

.pal-evidence-meta {
  font-size: 0.8rem;
  color: var(--pal-muted);
  font-weight: 600;
}

.pal-options {
  display: grid;
  gap: 0.55rem;
  margin: 0.85rem 0;
}

.pal-option {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  width: 100%;
  min-height: 48px;
  text-align: left;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--pal-line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  color: inherit;
  font: inherit;
  transition: border-color 0.18s, background 0.18s, box-shadow 0.18s;
}

.pal-option:hover {
  border-color: #9bb8ae;
}

.pal-option:focus-visible {
  outline: 3px solid rgba(31, 92, 78, 0.35);
  outline-offset: 2px;
}

.pal-option.selected {
  border-color: var(--pal-teal);
  background: var(--pal-teal-soft);
  box-shadow: inset 0 0 0 1px var(--pal-teal);
}

.pal-option .letter {
  font-weight: 800;
  color: var(--pal-teal);
  min-width: 1.4rem;
}

.pal-clue {
  display: none;
  margin: 0.75rem 0;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  background: var(--pal-amber-soft);
  border-left: 3px solid var(--pal-amber);
  color: #5c4618;
}

.pal-clue.show { display: block; }

.pal-feedback {
  display: none;
  margin: 0.75rem 0;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--pal-line);
  background: #fff;
}

.pal-feedback.show { display: block; }
.pal-feedback.I { background: var(--pal-teal-soft); border-color: #9ecbbc; }
.pal-feedback.A { background: var(--pal-amber-soft); border-color: #e2c894; }
.pal-feedback.R { background: #eaf5f1; border-color: #b7d6cb; }
.pal-feedback.F { background: var(--pal-coral-soft); border-color: #e2bdb4; }
.pal-feedback.retry { background: var(--pal-coral-soft); border-color: #e2bdb4; }

.pal-explain {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  font-size: 0.92rem;
  color: var(--pal-muted);
}

.pal-quiet-banner {
  display: none;
  margin: 0 0 0.85rem;
  padding: 0.65rem 0.9rem;
  border-radius: 10px;
  background: var(--pal-blue-soft);
  color: #355f7a;
  font-size: 0.9rem;
  font-weight: 600;
}

.pal-quiet-banner.show { display: block; }

.pal-actionbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.pal-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(31, 42, 36, 0.35);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1rem;
}

.pal-modal-backdrop.show { display: flex; }

.pal-modal {
  width: min(480px, 100%);
  background: var(--pal-surface);
  border-radius: 16px;
  border: 1px solid var(--pal-line);
  padding: 1.35rem 1.4rem;
  box-shadow: 0 20px 50px rgba(31, 42, 36, 0.18);
}

.pal-modal h3 {
  font-family: 'Libre Baskerville', Georgia, serif;
  color: var(--pal-teal);
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.pal-modal p {
  color: var(--pal-muted);
  margin: 0 0 1rem;
  line-height: 1.5;
}

.pal-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1900;
  background: var(--pal-surface);
  border-radius: 18px 18px 0 0;
  border: 1px solid var(--pal-line);
  padding: 1rem 1.1rem calc(1rem + env(safe-area-inset-bottom));
  transform: translateY(110%);
  transition: transform 0.22s ease;
  max-height: 70vh;
  overflow: auto;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.08);
}

.pal-sheet.show { transform: translateY(0); }

.pal-sheet-handle {
  width: 42px;
  height: 4px;
  border-radius: 999px;
  background: #d5cec1;
  margin: 0 auto 0.85rem;
}

.pal-sticky-bar {
  display: none;
}

.pal-how details {
  border-top: 1px solid var(--pal-line);
  margin-top: 1.25rem;
  padding-top: 0.75rem;
}

.pal-how summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--pal-teal);
  list-style: none;
}

.pal-how summary::-webkit-details-marker { display: none; }

.pal-note {
  font-size: 0.85rem;
  color: var(--pal-muted);
}

.pal-qtype {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pal-muted);
  margin-bottom: 0.4rem;
}

.pal-hero-mini {
  background:
    radial-gradient(ellipse 70% 50% at 0% 0%, rgba(31, 92, 78, 0.08), transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 0%, rgba(176, 141, 58, 0.08), transparent 50%);
  border-bottom: 1px solid var(--pal-line);
  padding: 1.75rem 1.25rem 1.25rem;
  margin-bottom: 0.25rem;
}

.pal-brand {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-size: clamp(1.6rem, 3.5vw, 2.35rem);
  color: var(--pal-teal);
  margin: 0 0 0.4rem;
}

.pal-brand .tm {
  font-size: 0.55em;
  vertical-align: super;
}

.pal-locked { opacity: 0.45; }

@media (max-width: 991.98px) {
  .pal-practice-main {
    padding-bottom: calc(88px + env(safe-area-inset-bottom));
  }

  .pal-sticky-bar {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1800;
    gap: 0.5rem;
    padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
    background: rgba(255, 253, 248, 0.96);
    border-top: 1px solid var(--pal-line);
    backdrop-filter: blur(6px);
  }

  .pal-sticky-bar .pal-btn {
    flex: 1;
  }

  .pal-actionbar-desktop {
    display: none;
  }

  .pal-side-desktop {
    display: none;
  }

  .pal-mobile-progress-toggle {
    display: inline-flex !important;
  }
}

@media (min-width: 992px) {
  .pal-mobile-progress-toggle {
    display: none !important;
  }
}

.pal-mobile-progress-toggle {
  display: none;
}

/* —— Hub / launch (progressive-adaptive-learning.php) —— */
.pal-hub-hero {
  background:
    radial-gradient(ellipse 80% 60% at 8% 0%, rgba(31, 92, 78, 0.1), transparent 55%),
    radial-gradient(ellipse 60% 50% at 95% 10%, rgba(176, 141, 58, 0.1), transparent 50%),
    var(--pal-canvas);
  border-bottom: 1px solid var(--pal-line);
  padding: 2rem 0 1.5rem;
}

.pal-hub-hero .pal-brand {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-size: clamp(1.7rem, 3.8vw, 2.45rem);
  color: var(--pal-teal);
  margin: 0.55rem 0 0.45rem;
  line-height: 1.2;
}

.pal-hub-hero .pal-brand .tm {
  font-size: 0.5em;
  vertical-align: super;
}

.pal-stat-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  margin-bottom: 1.25rem;
}

.pal-stat {
  background: var(--pal-surface);
  border: 1px solid var(--pal-line);
  border-radius: 12px;
  padding: 0.95rem 1rem;
}

.pal-stat .label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--pal-muted);
  margin-bottom: 0.3rem;
}

.pal-stat .value {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--pal-teal);
  line-height: 1.2;
}

.pal-stat .hint {
  font-size: 0.78rem;
  color: var(--pal-muted);
  margin-top: 0.2rem;
}

.pal-mt-list {
  display: grid;
  gap: 0.7rem;
}

.pal-mt-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  background: var(--pal-surface);
  border: 1px solid var(--pal-line);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.pal-mt-item:hover,
.pal-mt-item:focus-visible {
  border-color: var(--pal-teal);
  box-shadow: 0 6px 18px rgba(31, 92, 78, 0.08);
  color: inherit;
  outline: none;
}

.pal-mt-item strong {
  color: var(--pal-ink);
  font-weight: 700;
}

.pal-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid var(--pal-line);
  background: #fff;
  color: var(--pal-muted);
}

.pal-tag.ok { background: var(--pal-teal-soft); color: var(--pal-teal); border-color: #b7d6cb; }
.pal-tag.warn { background: var(--pal-amber-soft); color: #8a6218; border-color: #e0c48a; }
.pal-tag.info { background: var(--pal-blue-soft); color: #355f7a; border-color: #b7c9d8; }

.pal-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.pal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.pal-table th,
.pal-table td {
  padding: 0.55rem 0.4rem;
  border-bottom: 1px solid var(--pal-line);
  text-align: left;
}

.pal-table th {
  color: var(--pal-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pal-mission-steps {
  display: grid;
  gap: 0.65rem;
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: palstep;
}

.pal-mission-steps li {
  counter-increment: palstep;
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  color: var(--pal-muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.pal-mission-steps li::before {
  content: counter(palstep);
  flex-shrink: 0;
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 50%;
  background: var(--pal-teal);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Threshold / concept starter */
.pal-threshold-page {
  padding-bottom: 2.5rem;
}

.pal-threshold-hero {
  margin: 0 0 1.15rem;
  padding: 1.1rem 1.2rem 1.15rem;
  border-radius: 14px;
  border: 1px solid var(--pal-line);
  background:
    radial-gradient(ellipse 70% 80% at 0% 0%, rgba(31, 92, 78, 0.09), transparent 55%),
    radial-gradient(ellipse 55% 60% at 100% 0%, rgba(176, 141, 58, 0.1), transparent 50%),
    var(--pal-surface);
}

.pal-threshold-hero .eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pal-teal);
  margin-bottom: 0.35rem;
}

.pal-threshold-hero h1 {
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  margin: 0 0 0.4rem;
}

.pal-threshold-aside {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

@media (min-width: 992px) {
  .pal-threshold-aside {
    position: sticky;
    top: 1rem;
  }
}

.pal-video-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  background: #1a2420;
  margin: 0.85rem 0 0.35rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.pal-video-wrap iframe,
.pal-video-wrap video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.pal-notes {
  line-height: 1.65;
  color: var(--pal-ink);
  font-size: 0.98rem;
  max-width: 48rem;
  padding: 0.95rem 1.05rem;
  background: #fff;
  border: 1px solid var(--pal-line);
  border-radius: 10px;
  margin: 0.65rem 0 0.25rem;
}

.pal-notes h1,
.pal-notes h2,
.pal-notes h3 {
  font-family: 'Libre Baskerville', Georgia, serif;
  color: var(--pal-teal);
  margin: 0.55rem 0 0.4rem;
  font-size: 1.05rem;
}

.pal-notes h3:first-child {
  margin-top: 0;
}

.pal-notes p {
  margin: 0 0 0.65rem;
  color: var(--pal-muted);
}

.pal-notes ul,
.pal-notes ol {
  margin: 0 0 0.75rem;
  padding-left: 1.2rem;
  color: var(--pal-muted);
}

.pal-notes li {
  margin-bottom: 0.35rem;
}

.pal-notes strong {
  color: var(--pal-ink);
  font-weight: 600;
}

.pal-empty-media {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.1rem 1rem;
  border-radius: 12px;
  border: 1px dashed var(--pal-line);
  background: linear-gradient(180deg, #faf7f0 0%, #f3efe6 100%);
  margin: 0.65rem 0;
  color: var(--pal-muted);
}

.pal-empty-media i {
  font-size: 1.25rem;
  color: var(--pal-teal);
  margin-top: 0.15rem;
}

.pal-btn.w-100 {
  width: 100%;
}

@media (max-width: 991.98px) {
  .pal-threshold-page {
    padding-bottom: calc(96px + env(safe-area-inset-bottom));
  }
}