/* =========================================================
   TYPECODE - VIEW: TAHAP 2 PENILAIAN PENJELASAN SINTAKS
   Full-Screen Responsive Grading Workspace (100vw × 100vh)
   Theme: Handcrafted Charcoal & Paper Sketch Design System
   Layout 2 Kolom Dinamis (60:40) dengan Sidebar Kunci Jawaban
   ========================================================= */

:root {
  /* Design Tokens - Mapped faithfully to TypeCode's Sketch Design System */
  --explain-bg: var(--bg-base, #161615);
  --explain-surface: var(--bg-surface, #22211f);
  --explain-surface2: var(--bg-elevated, #1c1c1a);
  --explain-surface-hover: var(--bg-hover, #2c2a26);
  --explain-surface-active: var(--bg-active, #383530);
  --explain-editor-bg: var(--bg-editor, #121211);
  --explain-editor-border: var(--border-editor, #3d3a35);

  --explain-line: var(--border-subtle, rgba(245, 242, 235, 0.08));
  --explain-line-strong: var(--border-strong, #3d3a35);

  --explain-text: var(--text-primary, #f5f2eb);
  --explain-muted: var(--text-secondary, #aba396);
  --explain-tertiary: var(--text-tertiary, #736c61);

  --explain-primary: var(--brand-indigo, #e6ac4b);
  --explain-primary-hover: var(--color-primary-dark, #2b4a6f);
  --explain-green-text: var(--accent-emerald, #5eb886);
  --explain-green-bg: var(--bg-surface, #22211f);
  --explain-green-border: var(--border-subtle, rgba(245, 242, 235, 0.08));
}

/* ================= FULLSCREEN APP CONTAINER ================= */

.explain-fullscreen-app {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 9999;
  background: var(--bg-base, #161615);
  color: var(--text-primary, #f5f2eb);
  font-family: var(--font-ui, system-ui, sans-serif);
  overflow: hidden;
  box-sizing: border-box;
}

.explain-fullscreen-app.hidden {
  display: none !important;
}

.explain-fullscreen-inner {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-rows: 70px auto 1fr 62px;
  overflow: hidden;
  box-sizing: border-box;
}

/* ================= 1. HEADER (TOPBAR) ================= */

.explain-topbar {
  position: sticky;
  top: 0;
  background: var(--bg-surface, #22211f);
  border-bottom: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 28px;
  z-index: 100;
  gap: 16px;
  box-sizing: border-box;
}

.explain-topbar .student {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.explain-topbar .avatar {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md, 8px);
  background: var(--bg-elevated, #1c1c1a);
  color: var(--brand-indigo, #e6ac4b);
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  font-family: var(--font-mono, monospace);
  font-size: 15px;
  letter-spacing: 0.5px;
  flex-shrink: 0;
  border: 1px solid var(--border-strong, #3d3a35);
}

.explain-topbar .student-info {
  min-width: 0;
}

.explain-topbar .student-info h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary, #f5f2eb);
  margin: 0;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.explain-topbar .student-info p {
  font-size: 12.5px;
  color: var(--text-secondary, #aba396);
  margin: 3px 0 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.explain-topbar .action {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Navigasi Mahasiswa di Topbar */
.explain-nav-group {
  display: flex;
  align-items: center;
  gap: 3px;
  background: var(--bg-elevated, #1c1c1a);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  border-radius: var(--radius-md, 8px);
  padding: 3px;
}

.explain-nav-group .explain-btn {
  padding: 6px 11px;
  font-size: 12px;
  border-radius: var(--radius-sm, 6px);
  background: var(--bg-surface, #22211f);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  color: var(--text-secondary, #aba396);
}

.explain-nav-group .explain-btn:hover:not(:disabled) {
  background: var(--bg-hover, #2c2a26);
  border-color: var(--border-strong, #3d3a35);
  color: var(--text-primary, #f5f2eb);
}

.explain-nav-counter {
  font-size: 12px;
  font-family: var(--font-mono, monospace);
  color: var(--text-tertiary, #736c61);
  padding: 0 8px;
  min-width: 40px;
  text-align: center;
  user-select: none;
}

/* Base explain-btn */
.explain-btn {
  padding: 8px 16px;
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  border-radius: var(--radius-md, 8px);
  background: var(--bg-elevated, #1c1c1a);
  color: var(--text-primary, #f5f2eb);
  cursor: pointer;
  font-family: var(--font-ui, inherit);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: var(--transition-fast, 140ms ease);
  user-select: none;
}

.explain-btn:hover:not(:disabled) {
  background: var(--bg-hover, #2c2a26);
  border-color: var(--border-strong, #3d3a35);
  color: var(--text-primary, #f5f2eb);
  transform: translateY(-1px);
}

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

.explain-btn.btn-secondary {
  background: var(--bg-surface, #22211f);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  color: var(--text-secondary, #aba396);
}

.explain-btn.btn-secondary:hover:not(:disabled) {
  background: var(--bg-hover, #2c2a26);
  border-color: var(--border-strong, #3d3a35);
  color: var(--text-primary, #f5f2eb);
}

.explain-btn.success {
  background: var(--accent-emerald, #5eb886);
  border-color: var(--accent-emerald, #5eb886);
  color: #ffffff;
}

.explain-btn.success:hover:not(:disabled) {
  filter: brightness(1.08);
  box-shadow: var(--shadow-sm);
}

.explain-btn.success:disabled {
  background: var(--bg-elevated, #1c1c1a);
  border-color: var(--border-subtle, rgba(245, 242, 235, 0.08));
  color: var(--text-tertiary, #736c61);
}

.explain-btn.danger {
  background: var(--accent-rose, #e05a47);
  border-color: var(--accent-rose, #e05a47);
  color: #ffffff;
}

.explain-btn.danger:hover:not(:disabled) {
  filter: brightness(1.1);
}

/* ================= 2. PROGRESS SECTION ================= */

.explain-progress-section {
  padding: 10px 28px 12px;
  background: var(--bg-elevated, #1c1c1a);
  border-bottom: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  flex-shrink: 0;
  box-sizing: border-box;
}

.explain-progress-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  margin-bottom: 7px;
  color: var(--text-secondary, #aba396);
}

.explain-progress-info strong {
  color: var(--text-primary, #f5f2eb);
  font-weight: 600;
}

.explain-progress-info strong#explain-progress-pct-txt {
  color: var(--accent-emerald, #5eb886);
  font-family: var(--font-mono, monospace);
  font-weight: 700;
}

.explain-progress-track {
  height: 6px;
  background: var(--bg-base, #161615);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  border-radius: var(--radius-full, 999px);
  overflow: hidden;
  position: relative;
}

.explain-progress-fill {
  height: 100%;
  background: var(--accent-emerald, #5eb886);
  border-radius: var(--radius-full, 999px);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Question Selector Tabs in Progress Bar */
.explain-question-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.explain-q-tab {
  padding: 4px 12px;
  border-radius: var(--radius-full, 999px);
  font-size: 12px;
  font-family: var(--font-ui, inherit);
  background: var(--bg-surface, #22211f);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  color: var(--text-secondary, #aba396);
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast, 140ms ease);
}

.explain-q-tab:hover {
  background: var(--bg-hover, #2c2a26);
  border-color: var(--border-strong, #3d3a35);
  color: var(--text-primary, #f5f2eb);
}

.explain-q-tab.active {
  background: var(--bg-active, #383530);
  border-color: var(--brand-indigo, #e6ac4b);
  color: var(--brand-indigo, #e6ac4b);
  font-weight: 600;
}

.explain-q-tab.graded {
  border-color: rgba(94, 184, 134, 0.35);
}

/* ================= 3. WORKSPACE (2 KOLOM DINAMIS 60:40) ================= */

.explain-workspace {
  overflow-y: auto;
  overflow-x: hidden;
  padding: 22px 28px;
  box-sizing: border-box;
  background: var(--bg-base, #161615);
}

/* Soal Wrapper */
.explain-question-card {
  background: var(--bg-surface, #22211f);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  border-radius: var(--radius-lg, 12px);
  padding: 20px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-sm, 0 2px 6px rgba(0, 0, 0, 0.25));
  transition: border-color var(--transition-fast, 140ms ease);
  box-sizing: border-box;
}

.explain-question-card:hover {
  border-color: var(--border-strong, #3d3a35);
}

.explain-question-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--border-subtle, rgba(245, 242, 235, 0.08));
  cursor: pointer;
  user-select: none;
}

.explain-question-head .explain-q-title {
  color: var(--text-primary, #f5f2eb);
  font-size: 15px;
  font-weight: 600;
}

.explain-question-head .explain-q-meta {
  color: var(--text-secondary, #aba396);
  font-size: 12.5px;
}

.explain-card-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex: none;
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  border-radius: var(--radius-sm, 6px);
  background: var(--bg-elevated, #1c1c1a);
  color: var(--text-secondary, #aba396);
  cursor: pointer;
  transition: var(--transition-fast, 140ms ease);
}

.explain-card-toggle:hover {
  color: var(--brand-indigo, #e6ac4b);
  border-color: var(--border-strong, #3d3a35);
}

.explain-card-toggle i {
  transition: transform 0.2s ease;
}

.explain-question-card:not(.is-collapsed) .explain-card-toggle i {
  transform: rotate(180deg);
}

.explain-question-card.is-collapsed .explain-card-body {
  display: none;
}

/* Baris Pilar: 2 Kolom Sejajar (60:40) */
.explain-pilar-pair {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
  align-items: start;
}

.pilar-col-left,
.pilar-col-right {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Card Style */
.explain-card {
  background: var(--bg-surface, #22211f);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  border-radius: var(--radius-md, 10px);
  padding: 18px 20px;
  margin-bottom: 16px;
  box-sizing: border-box;
}

.explain-card:last-child {
  margin-bottom: 0;
}

/* Badges */
.explain-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-elevated, #1c1c1a);
  color: var(--text-secondary, #aba396);
  padding: 4px 10px;
  border-radius: var(--radius-sm, 6px);
  font-size: 11.5px;
  font-family: var(--font-mono, monospace);
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.03em;
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  box-shadow: none !important;
  text-shadow: none !important;
}

.explain-card h3 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary, #f5f2eb);
  margin: 0 0 14px;
}

.explain-card label {
  color: var(--text-tertiary, #736c61);
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 6px;
}

/* Kotak Jawaban Mahasiswa */
.explain-answer {
  margin: 6px 0 18px;
  background: var(--bg-editor, #121211);
  border: 1px solid var(--border-editor, #3d3a35);
  padding: 14px 16px;
  border-radius: var(--radius-md, 8px);
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-primary, #f5f2eb);
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--font-ui, inherit);
}

/* Header Penilaian Skala Likert */
.explain-score-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--text-secondary, #aba396);
}

.explain-score-header strong {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary, #f5f2eb);
  font-family: var(--font-mono, monospace);
}

/* Slider Skala Likert */
.explain-likert-range {
  width: 100%;
  height: 8px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-base, #161615);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  border-radius: var(--radius-full, 999px);
  outline: none;
  cursor: pointer;
  accent-color: var(--brand-indigo, #e6ac4b);
  margin: 6px 0 12px;
}

.explain-likert-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--brand-indigo, #e6ac4b);
  border: 2px solid var(--bg-surface, #22211f);
  cursor: pointer;
  box-shadow: var(--shadow-sm, 0 2px 6px rgba(0, 0, 0, 0.25));
  transition: transform 0.1s ease;
}

.explain-likert-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Tombol Angka Likert 1-10 */
.explain-number-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 6px;
  margin-top: 4px;
}

.explain-tick-btn {
  text-align: center;
  background: var(--bg-elevated, #1c1c1a) !important;
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  color: var(--text-secondary, #aba396) !important;
  padding: 8px 0;
  border-radius: var(--radius-sm, 6px);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-mono, monospace);
  cursor: pointer;
  transition: var(--transition-fast, 140ms ease);
}

.explain-tick-btn:hover:not(:disabled) {
  background: var(--bg-hover, #2c2a26) !important;
  color: var(--text-primary, #f5f2eb) !important;
  border-color: var(--border-strong, #3d3a35);
  transform: translateY(-1px);
}

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

.explain-tick-btn.active {
  background: var(--brand-indigo, #e6ac4b) !important;
  border-color: var(--brand-indigo, #e6ac4b) !important;
  color: var(--btn-color, #1a1916) !important;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  transform: translateY(-1px);
}

.explain-tick-btn.active::before {
  display: none !important;
}

/* ================= SIDEBAR KANAN: KUNCI JAWABAN & RUBRIK ================= */

/* Card Kunci Jawaban */
.explain-card.green {
  background: var(--bg-surface, #22211f);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
}

.explain-card.green h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary, #f5f2eb);
  margin: 0 0 12px;
}

.explain-card.green p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-primary, #f5f2eb);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  font-family: var(--font-mono, monospace);
  background: var(--bg-editor, #121211);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  border-radius: var(--radius-md, 8px);
  padding: 12px 14px;
}

.explain-card h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary, #f5f2eb);
  margin: 0 0 12px;
}

.rubrik-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.rubrik-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  font-size: 12.5px;
  color: var(--text-secondary, #aba396);
  display: flex;
  align-items: center;
  gap: 10px;
}

.rubrik-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.rubrik-badge {
  font-family: var(--font-mono, monospace);
  font-weight: 700;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: var(--radius-xs, 4px);
  background: var(--bg-elevated, #1c1c1a);
  color: var(--brand-indigo, #e6ac4b);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  flex-shrink: 0;
}

.rubrik-code-snippet {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--border-subtle, rgba(245, 242, 235, 0.08));
}

.explain-code-snippet-title {
  font-size: 11.5px;
  color: var(--text-tertiary, #736c61);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.rubrik-code-snippet pre {
  margin: 0;
  padding: 10px 12px;
  background: var(--bg-editor, #121211);
  border: 1px solid var(--border-editor, #3d3a35);
  border-radius: var(--radius-sm, 6px);
  font-size: 14px;
  color: var(--text-primary, #f5f2eb);
  overflow-x: auto;
  max-height: 160px;
  font-family: var(--font-mono, monospace);
  line-height: 1.5;
}

/* Question Score Action Box */
.explain-question-action-card {
  background: var(--bg-surface, #22211f);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  border-radius: var(--radius-lg, 12px);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm, 0 2px 6px rgba(0, 0, 0, 0.25));
}

.explain-score-stat-group {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.explain-stat-pill {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.explain-stat-pill span {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-tertiary, #736c61);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.explain-stat-pill strong {
  font-size: 15px;
  font-family: var(--font-mono, monospace);
  color: var(--text-primary, #f5f2eb);
}

.explain-stat-pill strong.score-final {
  font-size: 20px;
  font-weight: 800;
}

.explain-stat-pill strong.score-final.score-high {
  color: var(--accent-emerald, #5eb886);
}

.explain-stat-pill strong.score-final.score-mid {
  color: var(--accent-amber, #e6ac4b);
}

.explain-stat-pill strong.score-final.score-low {
  color: var(--accent-rose, #e05a47);
}

/* ================= 4. FOOTER ================= */

.explain-footer {
  position: sticky;
  bottom: 0;
  background: var(--bg-surface, #22211f);
  border-top: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 28px;
  z-index: 100;
  box-sizing: border-box;
  gap: 16px;
}

.explain-footer-summary {
  font-size: 13px;
  color: var(--text-secondary, #aba396);
  display: flex;
  align-items: center;
  gap: 8px;
}

.explain-footer-summary strong {
  color: var(--text-primary, #f5f2eb);
}

.explain-footer-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ================= RESPONSIVE (TABLET & MOBILE) ================= */

@media (max-width: 1024px) {
  .explain-fullscreen-app {
    height: auto;
    min-height: 100vh;
    overflow-y: auto;
  }

  .explain-fullscreen-inner {
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 100vh;
  }

  .explain-topbar {
    padding: 12px 16px;
  }

  .explain-topbar .student h2 {
    font-size: 15px;
  }

  .explain-progress-section {
    padding: 10px 16px;
  }

  .explain-workspace {
    padding: 16px;
    overflow-y: visible;
    height: auto;
  }

  /* 2 Kolom otomatis menjadi 1 Kolom pada tablet/mobile */
  .explain-pilar-pair {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 20px;
  }

  /* Kunci Jawaban di atas jawaban mahasiswa pada tampilan mobile */
  .explain-pilar-pair .pilar-col-right {
    order: -1;
  }

  .explain-card {
    padding: 16px;
    margin-bottom: 12px;
  }

  .explain-number-grid {
    gap: 4px;
  }

  .explain-tick-btn {
    padding: 7px 0;
    font-size: 12px;
  }

  .explain-footer {
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 10px;
  }

  .explain-footer-summary {
    display: none;
  }
}

/* ================= 5. EMBEDDED STAGE CARDS (TAHAP 3 & 4 IN TAHAP 2) ================= */

.explain-workspace .explain-stage-block {
  background: var(--bg-surface, #22211f);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  border-radius: var(--radius-lg, 12px);
  margin-top: 16px;
  margin-bottom: 20px;
  overflow: hidden;
  box-shadow: none;
}

.explain-workspace .explain-stage-head {
  padding: 12px 18px;
  background: var(--bg-surface, #22211f);
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid transparent;
  transition: background var(--transition-fast, 140ms ease);
}

.explain-workspace .explain-stage-block:not(.is-collapsed) .explain-stage-head {
  border-bottom-color: var(--border-subtle, rgba(245, 242, 235, 0.08));
}

.explain-workspace .explain-stage-head:hover {
  background: rgba(245, 242, 235, 0.03);
}

.explain-workspace .explain-stage-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary, #f5f2eb);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.explain-workspace .explain-stage-title small {
  font-size: 11.5px;
  font-weight: 400;
  color: var(--text-tertiary, #736c61);
}

.explain-workspace .explain-stage-body {
  padding: 18px 20px;
  background: var(--bg-surface, #22211f);
}

.explain-workspace .bugfix-grade-question {
  background: var(--bg-surface-elevated, #1c1c1a);
  border: 1px solid var(--border-subtle, rgba(245, 242, 235, 0.08));
  border-radius: var(--radius-md, 8px);
  padding: 14px 16px;
  margin-bottom: 14px;
}

.explain-workspace .bugfix-grade-question-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.explain-workspace .bugfix-grade-qnum {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary, #f5f2eb);
}

.explain-workspace .bugfix-grade-qscore {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-xs, 4px);
  background: rgba(230, 172, 75, 0.12);
  color: var(--accent-amber, #e6ac4b);
  border: 1px solid rgba(230, 172, 75, 0.3);
}

.explain-workspace .bugfix-grade-question pre.explain-code,
.explain-workspace .bugfix-grade-question pre.bugfix-code,
.explain-workspace .bugfix-grade-question pre.bugfix-code-answer,
.explain-workspace
  .bugfix-grade-question
  .bugfix-compare-side.reference-side
  code,
.explain-workspace
  .bugfix-grade-question
  .bugfix-compare-side.reference-side
  pre {
  background: #121211 !important;
  color: var(--text-primary, #f5f2eb) !important;
  border: 1px solid rgba(245, 242, 235, 0.08) !important;
  border-radius: var(--radius-md, 8px) !important;
  font-family: var(--font-mono, "JetBrains Mono", monospace) !important;
  font-size: 13px !important;
  line-height: 1.65 !important;
  padding: 12px 14px !important;
  margin: 6px 0 !important;
}

.explain-workspace .bugfix-compare-row {
  background: transparent;
  border: none;
  padding: 0;
  margin-top: 8px;
}

.explain-workspace .bugfix-compare-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary, #aba396);
  letter-spacing: 0.02em;
  display: block;
  margin-bottom: 4px;
}

.explain-workspace .bugfix-card-ref-notes {
  margin-top: 8px;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(245, 242, 235, 0.06);
  border-radius: var(--radius-md, 8px);
}

.explain-workspace .bugfix-card-ref-notes-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-tertiary, #736c61);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
  display: block;
}

.explain-workspace .bugfix-card-ref-notes p {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-secondary, #aba396);
  white-space: pre-wrap;
}