/* ═══════════════════════════════════════════════════════════════════════════════
   LEARN SECTION STYLES
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ── LEARN HERO ── */
.learn-hero {
  position: relative;
  min-height: 50vh;
  padding: 140px 48px 80px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg);
}
.learn-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(83,74,183,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(29,158,117,0.05) 0%, transparent 60%);
}
.learn-hero-inner {
  position: relative;
  max-width: 720px;
}
.learn-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--purple-pale);
  border-radius: 20px;
  font-size: 12px;
  color: var(--purple);
  font-weight: 500;
  margin-bottom: 24px;
}
.learn-hero h1 {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 18px;
}
.learn-hero h1 em {
  font-style: normal;
  color: var(--purple);
}
.learn-hero-sub {
  font-size: 16px;
  font-weight: 300;
  color: var(--text-mid);
  max-width: 520px;
  line-height: 1.75;
}

/* ── STATS BAR ── */
.learn-stats-bar {
  display: flex;
  justify-content: center;
  gap: 48px;
  padding: 28px 48px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}
.learn-stat {
  text-align: center;
}
.learn-stat-num {
  display: block;
  font-size: 28px;
  font-weight: 600;
  color: var(--purple);
  line-height: 1;
}
.learn-stat-lbl {
  font-size: 11px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── LEARN HUB ── */
.learn-hub {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.learn-hub-header {
  text-align: center;
  margin-bottom: 52px;
}
.learn-hub-header .section-desc {
  margin: 0 auto;
}

/* ── CARDS ── */
.learn-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.learn-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
  display: flex;
  flex-direction: column;
}
.learn-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.08);
}
.learn-card-top {
  padding: 28px 24px;
  flex: 1;
  position: relative;
}
.learn-card-top::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  opacity: 0.6;
}
.learn-card-icon {
  width: 52px; height: 52px;
  border-radius: 10px;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05), 0 8px 20px rgba(0,0,0,0.05);
}
.learn-card-icon svg {
  width: 34px; height: 34px;
}
.learn-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.learn-card p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.7;
  font-weight: 300;
}
.learn-card-bottom {
  padding: 18px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.learn-card-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}
.learn-card-meta span {
  font-size: 11px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}
.learn-progress-ring-wrap {
  position: relative;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
}
.learn-progress-ring {
  transform: rotate(-90deg);
}
.learn-ring-bg {
  fill: none;
  stroke: var(--border);
  stroke-width: 3;
}
.learn-ring-fill {
  fill: none;
  stroke: var(--purple);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 150.796;
  stroke-dashoffset: 150.796;
  transition: stroke-dashoffset 0.6s ease;
}
.learn-ring-text {
  position: absolute;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}
.learn-card-btn {
  padding: 9px 20px;
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
  font-family: 'Sora', sans-serif;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.learn-card-btn:hover { background: #2a2a4a; transform: translateY(-1px); }

/* ── SUPPORT SECTION ── */
.learn-support {
  padding: 80px 48px;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}
.learn-support-inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}
.learn-support h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.learn-support-heart {
  color: #e84d6a;
  font-size: 0.9em;
  line-height: 1;
  vertical-align: 0.03em;
}
.learn-support p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 24px;
}
.learn-support-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.learn-support-btn {
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
  font-family: 'Sora', sans-serif;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--bg);
}
.learn-support-btn:hover { border-color: rgba(0,0,0,0.2); background: #fff; transform: translateY(-1px); }
.learn-support-btn.primary {
  background: var(--navy);
  color: #fff;
  border-color: transparent;
}
.learn-support-btn.primary:hover { background: #2a2a4a; }

/* ═══════════════════════════════════════════════════════════════════════════════
   LEARNING APP (Lesson Page)
   ═══════════════════════════════════════════════════════════════════════════════ */

.learn-app {
  padding-top: 68px; /* site nav height */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── TOPBAR ── */
.learn-topbar {
  position: sticky;
  top: 68px;
  z-index: 50;
  height: 56px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
}
.learn-sidebar-toggle {
  width: 36px; height: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-mid);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.learn-sidebar-toggle:hover { background: var(--border); color: var(--text); }
.learn-sidebar-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.2s ease;
}
.learn-sidebar-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.learn-sidebar-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.learn-sidebar-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.learn-tabs-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}
.learn-tabs-arrow {
  display: none;
  flex-shrink: 0;
  width: 28px; height: 28px;
  align-items: center; justify-content: center;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-mid);
  transition: opacity 0.2s, background 0.2s, color 0.2s;
  opacity: 0;
  pointer-events: none;
}
.learn-tabs-arrow svg { width: 14px; height: 14px; }
.learn-tabs-arrow.visible { opacity: 1; pointer-events: auto; }
.learn-tabs-arrow:hover { background: var(--border); color: var(--text); }
@media (min-width: 901px) {
  .learn-tabs-arrow { display: flex; }
}

.learn-lang-tabs {
  display: flex;
  gap: 4px;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.learn-lang-tabs::-webkit-scrollbar { display: none; }
.learn-lang-tab {
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-mid);
  background: transparent;
  border: 1px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
  font-family: 'Sora', sans-serif;
}
.learn-lang-tab:hover {
  background: var(--bg-soft);
  color: var(--text);
}
.learn-lang-tab.active {
  background: var(--lang-color);
  color: #fff;
  border-color: var(--lang-color);
}

.learn-topbar-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 120px;
}
.learn-topbar-bar {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.learn-topbar-fill {
  height: 100%;
  background: var(--purple);
  border-radius: 2px;
  width: 0%;
  transition: width 0.4s ease;
}
.learn-topbar-progress span {
  font-size: 11px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
}

/* ── SIDEBAR ── */
.learn-sidebar {
  position: fixed;
  top: 124px; /* 68 nav + 56 topbar */
  left: 0;
  bottom: 0;
  width: 280px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  z-index: 60;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}
.learn-sidebar.open {
  transform: translateX(0);
}
.learn-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.learn-sidebar-title {
  font-size: 15px;
  font-weight: 600;
}
.learn-sidebar-close {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-mid);
  transition: all 0.2s;
}
.learn-sidebar-close:hover { background: var(--bg-soft); color: var(--text); }
.learn-sidebar-close svg { width: 14px; height: 14px; }

.learn-sidebar-progress {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.learn-sidebar-bar {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.learn-sidebar-fill {
  height: 100%;
  background: var(--purple);
  border-radius: 2px;
  width: 0%;
  transition: width 0.4s ease;
}
.learn-sidebar-progress span {
  font-size: 11px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.learn-lesson-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  position: relative !important;
}
.learn-lesson-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: none;
  background: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
  font-family: 'Sora', sans-serif;
  color: var(--text-mid);
  text-decoration: none;
}
.learn-lesson-item:hover { background: var(--bg-soft); color: var(--text); }
.learn-lesson-item.active {
  background: var(--purple-pale);
  color: var(--purple);
}
.learn-lesson-item.completed { color: var(--teal); }
.learn-lesson-item.locked {
  opacity: 0.4;
  cursor: not-allowed;
}
.learn-lesson-item.locked:hover { background: none; }
.learn-lesson-num {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-soft);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  flex-shrink: 0;
}
.learn-lesson-item.active .learn-lesson-num { background: var(--purple); color: #fff; }
.learn-lesson-item.completed .learn-lesson-num { background: var(--teal-pale); color: var(--teal); }
.learn-lesson-name {
  font-size: 13px;
  flex: 1;
  line-height: 1.4;
}
.learn-lesson-status {
  width: 16px; height: 16px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.learn-lesson-status::after {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--border);
}
.learn-lesson-item.active .learn-lesson-status::after { background: var(--purple); }
.learn-lesson-item.completed .learn-lesson-status::after {
  content: '✓';
  width: auto; height: auto;
  background: none;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
}
.learn-lesson-item.locked .learn-lesson-status::after {
  content: '🔒';
  width: auto; height: auto;
  background: none;
  font-size: 10px;
}

/* Backdrop */
.learn-sidebar-backdrop {
  position: fixed;
  inset: 124px 0 0 0;
  background: rgba(0,0,0,0.25);
  z-index: 55;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.learn-sidebar-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

/* ── MAIN CONTENT ── */
.learn-main {
  flex: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 24px 80px;
  width: 100%;
  transition: margin-left 0.3s;
}

/* ── LESSON CONTENT ── */
.learn-content-header {
  margin-bottom: 32px;
}
.learn-content-eyebrow {
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--purple);
  margin-bottom: 10px;
}
.learn-content h1 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.2;
}
.learn-content-body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-mid);
  font-weight: 300;
}
.learn-content-body p + p { margin-top: 16px; }
.learn-content-body strong { color: var(--text); font-weight: 500; }
.learn-content-body code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  background: var(--bg-soft);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--purple);
}

/* ── CODE BLOCK ── */
.learn-code-block {
  margin: 28px 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy);
}
.learn-code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.learn-code-lang {
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.learn-code-copy {
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.2s;
}
.learn-code-copy:hover { background: rgba(255,255,255,0.06); color: #fff; }
.learn-code-block pre {
  padding: 20px;
  overflow-x: auto;
  margin: 0;
}
.learn-code-block code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  background: none;
  padding: 0;
}

/* ── QUIZ ── */
.learn-quiz {
  margin-top: 48px;
  padding: 32px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.learn-quiz-header {
  text-align: center;
  margin-bottom: 28px;
}
.learn-quiz-icon { font-size: 32px; margin-bottom: 8px; }
.learn-quiz-header h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.learn-quiz-header p {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 300;
}

/* Quiz items */
.learn-quiz-item {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.learn-quiz-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.learn-quiz-question-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.learn-quiz-q {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0;
  line-height: 1.5;
  flex: 1;
}

/* Multiple choice */
.learn-quiz-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.learn-quiz-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px;
  color: var(--text-mid);
  font-family: 'Sora', sans-serif;
  text-align: left;
}
.learn-quiz-option:hover { border-color: rgba(83,74,183,0.3); background: #fff; }
.learn-quiz-option input { display: none; }
.learn-quiz-option .radio {
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-radius: 50%;
  flex-shrink: 0;
  transition: all 0.2s;
  position: relative;
}
.learn-quiz-option:hover .radio { border-color: var(--purple-light); }
.learn-quiz-option.selected .radio {
  border-color: var(--purple);
  background: var(--purple);
}
.learn-quiz-option.selected .radio::after {
  content: '';
  position: absolute;
  top: 4px; left: 4px;
  width: 6px; height: 6px;
  background: #fff;
  border-radius: 50%;
}
.learn-quiz-option.correct {
  border-color: var(--teal);
  background: var(--teal-pale);
  color: var(--text);
}
.learn-quiz-option.correct .radio {
  border-color: var(--teal);
  background: var(--teal);
}
.learn-quiz-option.correct .radio::after {
  content: '';
  position: absolute;
  top: 4px; left: 4px;
  width: 6px; height: 6px;
  background: #fff;
  border-radius: 50%;
}
.learn-quiz-option.wrong {
  border-color: #e74c3c;
  background: #fdf0ef;
}
.learn-quiz-option.wrong .radio {
  border-color: #e74c3c;
  background: #e74c3c;
}
.learn-quiz-option.missing {
  border-color: #e74c3c;
  background: #fdf0ef;
}
.learn-quiz-option.missing .radio {
  border-color: #e74c3c;
}

/* Fill in the blank */
.learn-quiz-fitb {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.8;
}
.learn-quiz-fitb input {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  padding: 6px 12px;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  outline: none;
  width: 160px;
  text-align: center;
  transition: border-color 0.2s;
}
.learn-quiz-fitb input:focus { border-color: var(--purple-light); }
.learn-quiz-fitb input.correct { border-color: var(--teal); background: var(--teal-pale); }
.learn-quiz-fitb input.wrong { border-color: #e74c3c; background: #fdf0ef; }

/* Drag & Drop */
.learn-quiz-dnd {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.learn-dnd-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px;
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  min-height: 52px;
}
.learn-dnd-item {
  padding: 8px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
  cursor: grab;
  user-select: none;
  transition: all 0.2s;
  color: var(--text);
}
.learn-dnd-item:hover { border-color: var(--purple-light); }
.learn-dnd-item.dragging { opacity: 0.5; cursor: grabbing; }
.learn-dnd-zones {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.learn-dnd-zone {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--bg);
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  min-height: 46px;
  font-size: 13px;
  color: var(--text-muted);
  transition: all 0.2s;
}
.learn-dnd-zone.drag-over { border-color: var(--purple-light); background: var(--purple-pale); }
.learn-dnd-zone.correct { border-color: var(--teal); border-style: solid; background: var(--teal-pale); }
.learn-dnd-zone.wrong { border-color: #e74c3c; border-style: solid; background: #fdf0ef; }
.learn-dnd-zone .zone-label {
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
  min-width: 60px;
}
.learn-dnd-zone .zone-content {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Quiz actions */
.learn-quiz-actions {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.learn-quiz-submit {
  padding: 12px 28px;
  background: var(--purple);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  font-family: 'Sora', sans-serif;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.learn-quiz-submit:hover { background: var(--purple-light); transform: translateY(-1px); }
.learn-quiz-submit:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.learn-quiz-feedback {
  font-size: 14px;
  font-weight: 500;
  display: none;
}
.learn-quiz-show {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--bg);
  color: var(--text-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  font-family: 'Sora', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}
.learn-quiz-show:hover { border-color: var(--purple-light); color: var(--purple); }
.learn-quiz-show:active { background: var(--purple-pale); transform: scale(0.97); }
.learn-quiz-show.active {
  border-color: rgba(245,166,35,0.65);
  background: #fff8e7;
  color: #9a6208;
}
.learn-quiz-show svg { width: 16px; height: 16px; }
.learn-quiz-show.hidden { display: none; }

.learn-quiz-debug {
  margin-left: auto;
  padding: 6px 12px;
  background: transparent;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  transition: all 0.2s;
}
.learn-quiz-debug:hover { border-color: var(--text-muted); color: var(--text); }

/* Revealed answers */
.learn-quiz-option.revealed {
  border-color: #f5a623 !important;
  background: #fff8e7 !important;
  box-shadow: 0 0 0 3px rgba(245,166,35,0.15);
}
.learn-quiz-option.revealed .radio {
  border-color: #f5a623 !important;
  background: #f5a623 !important;
}
.learn-quiz-option.revealed .radio::after {
  content: '';
  position: absolute;
  top: 4px; left: 4px;
  width: 6px; height: 6px;
  background: #fff;
  color: #fff;
  border-radius: 50%;
}

.learn-quiz-fitb input.revealed {
  border-color: #f5a623 !important;
  background: #fff8e7 !important;
  color: var(--text);
}

.learn-dnd-zone.revealed {
  border-color: #f5a623 !important;
  border-style: dashed !important;
  background: #fff8e7 !important;
}
.learn-dnd-zone .zone-hint {
  display: none;
}
.learn-dnd-zone.revealed .zone-hint {
  display: inline-flex;
  margin-inline-start: auto;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(245,166,35,0.16);
  font-size: 11px;
  color: #c77f0c;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
}

.learn-quiz-feedback.show { display: block; }
.learn-quiz-feedback.success { color: var(--teal); }
.learn-quiz-feedback.error { color: #e74c3c; }

/* ── NAV BUTTONS ── */
.learn-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.learn-nav-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  font-family: 'Sora', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.learn-nav-btn:hover:not(:disabled) { border-color: rgba(0,0,0,0.2); background: var(--bg-soft); transform: translateY(-1px); }
.learn-nav-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.learn-nav-btn svg { width: 16px; height: 16px; }
.learn-nav-btn.primary {
  background: var(--navy);
  color: #fff;
  border-color: transparent;
}
.learn-nav-btn.primary:hover:not(:disabled) { background: #2a2a4a; }

/* ── PAGE SUPPORT ── */
.learn-page-support {
  margin-top: 48px;
  text-align: center;
  padding: 36px 28px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.learn-page-support .learn-support-inner {
  max-width: 560px;
}
.learn-page-support h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.learn-page-support p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 22px;
}

/* ── CONGRATS OVERLAY ── */
.learn-congrats {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.learn-congrats.show {
  opacity: 1;
  pointer-events: all;
}
.learn-congrats-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
}
.learn-congrats-card {
  position: relative;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 48px;
  max-width: 460px;
  width: 90%;
  text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,0.2);
  transform: scale(0.92);
  transition: transform 0.3s;
}
.learn-congrats.show .learn-congrats-card { transform: scale(1); }
.learn-congrats-icon { font-size: 56px; margin-bottom: 16px; }
.learn-congrats-card h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.learn-congrats-card p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 28px;
}
.learn-congrats-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.learn-congrats-btn {
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
  font-family: 'Sora', sans-serif;
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--bg);
}
.learn-congrats-btn:hover { border-color: rgba(0,0,0,0.2); background: #fff; transform: translateY(-1px); }
.learn-congrats-btn.primary {
  background: var(--navy);
  color: #fff;
  border-color: transparent;
}
.learn-congrats-btn.primary:hover { background: #2a2a4a; }

/* ═══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════════════ */

@media (max-width: 900px) {
  .learn-hero { padding: 120px 24px 60px; }
  .learn-stats-bar { padding: 20px 24px; gap: 32px; }
  .learn-hub { padding: 60px 24px; }
  .learn-cards { grid-template-columns: 1fr; }
  .learn-support { padding: 60px 24px; }

  .learn-topbar { padding: 0 16px; }
  .learn-topbar-progress { display: none; }
  .learn-main { padding: 24px 16px 60px; }
  .learn-sidebar { top: 68px; width: 260px; }
  .learn-sidebar-backdrop { top: 68px; }
  .learn-quiz { padding: 24px; }
}

@media (min-width: 901px) {
  .learn-sidebar.open + .learn-sidebar-backdrop + .learn-main {
    margin-left: 280px;
  }
}