/* ==========================================================================
   V Luvia Project (vluviaproject) — JLPT N1 Dokkai Online Mock Test Styles
   ========================================================================== */

:root {
  /* Default Theme: Warm Exam Paper (和紙 / Paper) */
  --bg-body: #f5f2eb;
  --bg-surface: #fdfbf7;
  --bg-elevated: #ffffff;
  --bg-muted: #ebe6dc;
  --bg-passage-paper: #fffdf8;
  --border-color: #dcd5c7;
  --border-strong: #c4bba8;

  --text-primary: #1c1917;
  --text-secondary: #44403c;
  --text-muted: #78716c;

  --brand-primary: #1e3a5f;
  --brand-primary-hover: #152944;
  --brand-accent: #b45309;
  --brand-accent-soft: rgba(180, 83, 9, 0.12);

  --status-success: #15803d;
  --status-success-bg: #dcfce7;
  --status-danger: #b91c1c;
  --status-danger-bg: #fee2e2;
  --status-warning: #d97706;
  --status-warning-bg: #fef3c7;

  --highlight-marker: rgba(250, 204, 21, 0.45);

  --font-ui: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-passage: 'Noto Serif JP', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-sm: 0 1px 3px rgba(28, 25, 23, 0.06);
  --shadow-md: 0 4px 12px rgba(28, 25, 23, 0.08);
  --shadow-lg: 0 12px 32px rgba(28, 25, 23, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

/* Light Crisp Theme */
html[data-theme="light"] {
  --bg-body: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-elevated: #ffffff;
  --bg-muted: #e2e8f0;
  --bg-passage-paper: #ffffff;
  --border-color: #cbd5e1;
  --border-strong: #94a3b8;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --brand-primary: #1d4ed8;
  --brand-primary-hover: #1e40af;
}

/* Dark Night Study Theme */
html[data-theme="dark"] {
  --bg-body: #0f141c;
  --bg-surface: #171f2c;
  --bg-elevated: #1e293b;
  --bg-muted: #263349;
  --bg-passage-paper: #18212f;
  --border-color: #2d3b52;
  --border-strong: #435574;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --brand-primary: #3b82f6;
  --brand-primary-hover: #2563eb;
  --brand-accent: #f59e0b;
  --brand-accent-soft: rgba(245, 158, 11, 0.16);
  --status-success: #4ade80;
  --status-success-bg: rgba(22, 163, 74, 0.2);
  --status-danger: #f87171;
  --status-danger-bg: rgba(220, 38, 38, 0.2);
  --status-warning: #fbbf24;
  --status-warning-bg: rgba(217, 119, 6, 0.2);
  --highlight-marker: rgba(234, 179, 8, 0.35);
}

/* Gothic Font Mode Override */
html[data-font="gothic"] {
  --font-passage: 'Noto Sans JP', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-body);
  color: var(--text-primary);
  font-family: var(--font-ui);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
  word-break: break-word;
}

.hidden {
  display: none !important;
}

/* ==================== TOP HEADER ==================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
}

.brand-emblem {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand-primary), #0f172a);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-passage);
  font-weight: 700;
  font-size: 1.25rem;
  position: relative;
  box-shadow: 0 2px 6px rgba(30, 58, 95, 0.3);
}

.brand-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.brand-url-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  background-color: var(--bg-muted);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.brand-subtitle {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Active Exam Timer & Progress Bar in Header */
.exam-top-controls {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.exam-progress-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--bg-muted);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  font-size: 0.82rem;
}

.progress-label {
  color: var(--text-muted);
  font-weight: 500;
}

.progress-count {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-primary);
}

.mini-progress-track {
  width: 56px;
  height: 6px;
  background-color: var(--border-color);
  border-radius: 99px;
  overflow: hidden;
}

.mini-progress-fill {
  height: 100%;
  background-color: var(--brand-primary);
  transition: width 0.25s ease;
}

.timer-widget {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background-color: var(--bg-elevated);
  border: 1.5px solid var(--border-strong);
  padding: 0.3rem 0.65rem 0.3rem 0.75rem;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.timer-widget.timer-warning {
  border-color: var(--status-warning);
  background-color: var(--status-warning-bg);
}

.timer-widget.timer-danger {
  border-color: var(--status-danger);
  background-color: var(--status-danger-bg);
  animation: pulseUrgent 1.2s infinite;
}

@keyframes pulseUrgent {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

.timer-icon {
  width: 18px;
  height: 18px;
  color: var(--brand-primary);
}

.timer-readout {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.timer-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
}

.timer-digits {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-primary);
}

.icon-btn {
  background: var(--bg-muted);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 5px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s;
}

.icon-btn:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

/* Header Right Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.reading-prefs-group {
  display: flex;
  gap: 0.35rem;
}

.pref-chip {
  background-color: var(--bg-muted);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.pref-chip:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.login-pending-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.38rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-strong);
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.login-pending-btn:hover {
  border-style: solid;
  border-color: var(--brand-primary);
  color: var(--text-primary);
}

.user-icon {
  width: 15px;
  height: 15px;
}

.pending-badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background-color: var(--brand-accent-soft);
  color: var(--brand-accent);
  padding: 0.1rem 0.38rem;
  border-radius: 4px;
  font-weight: 700;
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.55rem 1.05rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  white-space: normal;
  text-align: center;
  line-height: 1.35;
  max-width: 100%;
}

.btn-lg {
  padding: 0.78rem 1.35rem;
  font-size: 0.96rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
}

.btn-full {
  width: 100%;
}

.btn-primary {
  background-color: var(--brand-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--brand-primary-hover);
}

.btn-secondary {
  background-color: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background-color: var(--bg-muted);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.btn-outline:hover {
  background-color: var(--bg-muted);
  color: var(--text-primary);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover {
  background-color: var(--bg-muted);
  color: var(--text-primary);
}

.btn-disabled {
  background-color: var(--bg-muted);
  color: var(--text-muted);
  border-color: var(--border-color);
  cursor: not-allowed;
  opacity: 0.7;
}

/* ==================== MAIN VIEWS ==================== */
.main-container {
  flex: 1;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem;
}

.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

/* ==================== HOME VIEW ==================== */
.hero-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 2rem;
  align-items: center;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand-accent);
  background-color: var(--brand-accent-soft);
  padding: 0.25rem 0.7rem;
  border-radius: 99px;
  margin-bottom: 0.9rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--status-success);
}

.hero-title {
  font-size: 2rem;
  line-height: 1.3;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--text-primary);
}

.accent-serif {
  font-family: var(--font-passage);
  color: var(--brand-primary);
}

.hero-description {
  color: var(--text-secondary);
  font-size: 0.96rem;
  margin-bottom: 1.5rem;
  max-width: 65ch;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Hero Right Stats Box */
.hero-stats-panel {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.stats-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.9rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-color);
}

.stats-panel-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stats-version-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background-color: var(--bg-muted);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  color: var(--text-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.stat-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}

.stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--brand-primary);
}

.stat-value small {
  font-size: 0.85rem;
  font-weight: 600;
  margin-left: 2px;
}

.stat-label {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.combinatorics-note {
  margin-top: 0.85rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-align: center;
  background-color: var(--bg-muted);
  padding: 0.45rem;
  border-radius: var(--radius-sm);
}

/* ==================== CONFIG PANEL ==================== */
.config-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.config-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-heading {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.section-subheading {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.preset-buttons {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.chip-btn {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.38rem 0.75rem;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.chip-btn:hover {
  border-color: var(--brand-primary);
}

.chip-btn.active {
  background-color: var(--brand-primary);
  color: #ffffff;
  border-color: var(--brand-primary);
}

.mondai-selector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.mondai-select-card {
  background-color: var(--bg-elevated);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.9rem;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  user-select: none;
}

.mondai-select-card.selected {
  border-color: var(--brand-primary);
  background-color: var(--bg-surface);
  box-shadow: 0 0 0 2px rgba(30, 58, 95, 0.12);
}

.mondai-select-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mondai-tag {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--brand-primary);
}

.mondai-pool-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background-color: var(--bg-muted);
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  color: var(--text-secondary);
}

.mondai-select-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.mondai-select-detail {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.config-options-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--border-color);
}

.config-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.config-field label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.input-with-Addon {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.input-with-Addon input {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

#timerMinutesInput {
  width: 80px;
}

#seedInput {
  width: 220px;
  font-family: var(--font-ui);
}

.input-addon {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.btn-inline {
  background-color: var(--bg-muted);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-inline:hover {
  background-color: var(--border-color);
  color: var(--text-primary);
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  cursor: pointer;
}

.toggle-text {
  display: flex;
  flex-direction: column;
}

.toggle-text strong {
  font-size: 0.85rem;
  color: var(--text-primary);
}

.toggle-text small {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* ==================== ROADMAP / MODULE CARDS ==================== */
.roadmap-section,
.history-section {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.15rem;
}

.module-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.module-card {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.85rem;
}

.module-card.active-module {
  border: 2px solid var(--brand-primary);
}

.module-card.pending-module {
  opacity: 0.78;
  background-color: var(--bg-surface);
}

.module-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.module-status-pill {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.18rem 0.55rem;
  border-radius: 99px;
}

.module-status-pill.active {
  background-color: var(--status-success-bg);
  color: var(--status-success);
}

.module-status-pill.pending {
  background-color: var(--bg-muted);
  color: var(--text-muted);
}

.module-q-range {
  font-size: 0.74rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.module-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.module-desc {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.module-meta-list {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==================== EXAM WORKSPACE (SPLIT VIEW) ==================== */
.exam-subheader {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.85rem;
  margin-bottom: 0.85rem;
}

.mondai-tabs {
  display: flex;
  gap: 0.35rem;
  overflow-x: auto;
}

.mondai-tab-btn {
  background-color: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.mondai-tab-btn:hover {
  background-color: var(--bg-muted);
}

.mondai-tab-btn.active {
  background-color: var(--brand-primary);
  color: #ffffff;
}

.tab-count-pill {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.05rem 0.38rem;
  border-radius: 99px;
  background-color: rgba(255, 255, 255, 0.2);
}

.mondai-tab-btn:not(.active) .tab-count-pill {
  background-color: var(--bg-muted);
  color: var(--text-muted);
}

.exam-subheader-right {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.font-size-controls {
  display: inline-flex;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.size-btn {
  background-color: var(--bg-elevated);
  border: none;
  color: var(--text-secondary);
  padding: 0.3rem 0.55rem;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
}

.size-btn.active {
  background-color: var(--brand-primary);
  color: #ffffff;
}

.marker-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #facc15;
  border: 1px solid #ca8a04;
}

/* Question Palette Drawer */
.question-palette-drawer {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 0.9rem;
  box-shadow: var(--shadow-md);
}

.palette-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.palette-title-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.palette-legend {
  display: flex;
  gap: 0.85rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
}

.dot.answered { background-color: var(--brand-primary); }
.dot.flagged { background-color: var(--status-warning); }
.dot.unanswered { background-color: var(--bg-muted); border: 1px solid var(--border-strong); }

.btn-close {
  background: none;
  border: none;
  font-size: 1.35rem;
  color: var(--text-muted);
  cursor: pointer;
}

.palette-sections-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.palette-mondai-group {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
}

.palette-group-label {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.palette-q-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.palette-q-btn {
  width: 34px;
  height: 30px;
  border-radius: 5px;
  border: 1px solid var(--border-strong);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  position: relative;
}

.palette-q-btn.answered {
  background-color: var(--brand-primary);
  color: #ffffff;
  border-color: var(--brand-primary);
}

.palette-q-btn.current-unit {
  outline: 2px solid var(--brand-accent);
  outline-offset: 1px;
}

.palette-q-btn.flagged::after {
  content: "★";
  position: absolute;
  top: -5px;
  right: -4px;
  font-size: 0.65rem;
  color: var(--status-warning);
}

.palette-q-btn.review-correct {
  background-color: var(--status-success);
  color: #ffffff;
  border-color: var(--status-success);
}

.palette-q-btn.review-wrong {
  background-color: var(--status-danger);
  color: #ffffff;
  border-color: var(--status-danger);
}

/* Review Mode Banner */
.review-mode-banner {
  background-color: var(--brand-accent-soft);
  border: 1px solid var(--brand-accent);
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  margin-bottom: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.review-banner-info {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.88rem;
}

.review-badge {
  background-color: var(--brand-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.18rem 0.55rem;
  border-radius: 4px;
}

/* ==================== SPLIT WORKSPACE ==================== */
.exam-split-workspace {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 1.15rem;
  align-items: start;
}

.exam-split-workspace[data-fontsize="sm"] {
  --passage-font-size: 0.96rem;
  --question-font-size: 0.9rem;
}

.exam-split-workspace[data-fontsize="md"] {
  --passage-font-size: 1.08rem;
  --question-font-size: 0.96rem;
}

.exam-split-workspace[data-fontsize="lg"] {
  --passage-font-size: 1.24rem;
  --question-font-size: 1.06rem;
}

/* LEFT PANE: PASSAGE */
.passage-pane {
  background-color: var(--bg-passage-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 70px;
  max-height: calc(100vh - 90px);
  overflow-y: auto;
}

.passage-meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.mondai-instruction-badge {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--brand-primary);
  background-color: var(--bg-muted);
  padding: 0.25rem 0.65rem;
  border-radius: 5px;
}

.unit-counter-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.mondai-direction-box {
  font-size: 0.84rem;
  color: var(--text-secondary);
  border-left: 3px solid var(--brand-primary);
  padding: 0.35rem 0.75rem;
  background-color: var(--bg-surface);
  margin-bottom: 1.2rem;
}

.passage-paper {
  font-family: var(--font-passage);
  font-size: var(--passage-font-size, 1.08rem);
  line-height: 2.0;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.passage-paragraph {
  margin-bottom: 1.1em;
  text-indent: 1em;
}

.passage-paragraph.no-indent {
  text-indent: 0;
}

/* Circled numbers & underlined phrases in passage */
.exam-marker {
  font-family: var(--font-ui);
  font-weight: 700;
  color: var(--brand-primary);
  border-bottom: 2px solid var(--brand-primary);
  padding-bottom: 1px;
  margin: 0 2px;
}

.exam-note-ref {
  font-family: var(--font-ui);
  font-size: 0.78em;
  color: var(--brand-accent);
  font-weight: 600;
  vertical-align: super;
}

.user-highlight {
  background-color: var(--highlight-marker);
  border-radius: 2px;
  padding: 0 1px;
}

/* Integrated Reading (Mondai 11) Dual A & B Cards */
.integrated-ab-block {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.25rem;
  margin-bottom: 1.25rem;
  background-color: var(--bg-surface);
}

.integrated-label {
  display: inline-block;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.9rem;
  background-color: var(--brand-primary);
  color: #ffffff;
  padding: 0.12rem 0.65rem;
  border-radius: 4px;
  margin-bottom: 0.65rem;
}

/* Information Retrieval (Mondai 13) Document Notice Frame */
.info-retrieval-doc {
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  background-color: var(--bg-surface);
}

.info-doc-header {
  text-align: center;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1.05rem;
  padding-bottom: 0.65rem;
  margin-bottom: 0.9rem;
  border-bottom: 2px solid var(--border-color);
}

.info-doc-body {
  font-family: var(--font-ui);
  font-size: 0.94rem;
  line-height: 1.75;
  white-space: pre-wrap;
}

/* Footnotes Box */
.passage-notes-box {
  margin-top: 1.35rem;
  padding: 0.9rem 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
}

.notes-header {
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.45rem;
}

.notes-list {
  display: grid;
  gap: 0.3rem;
}

.note-row {
  display: flex;
  gap: 0.5rem;
}

.note-term {
  font-weight: 700;
  color: var(--brand-accent);
  white-space: nowrap;
}

.note-exp {
  color: var(--text-secondary);
}

.passage-citation {
  margin-top: 1rem;
  text-align: right;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* RIGHT PANE: QUESTIONS */
.questions-pane {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  box-shadow: var(--shadow-sm);
}

.questions-pane-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.questions-pane-title {
  font-weight: 700;
  font-size: 1rem;
}

.seed-indicator {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
}

.questions-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.question-card {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.15rem;
  font-size: var(--question-font-size, 0.96rem);
  transition: border-color 0.15s;
}

.question-card.answered-card {
  border-color: var(--brand-primary);
}

.question-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.q-num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--brand-primary);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.82rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  white-space: nowrap;
}

.q-prompt-text {
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
  line-height: 1.5;
}

.flag-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.flag-btn.flagged {
  background-color: var(--status-warning-bg);
  border-color: var(--status-warning);
  color: var(--status-warning);
}

/* Options List */
.options-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.option-label {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-surface);
  cursor: pointer;
  transition: all 0.12s ease;
  line-height: 1.5;
}

.option-label:hover {
  border-color: var(--border-strong);
  background-color: var(--bg-muted);
}

.option-label.selected {
  border-color: var(--brand-primary);
  background-color: rgba(30, 58, 95, 0.08);
  font-weight: 600;
}

html[data-theme="dark"] .option-label.selected {
  background-color: rgba(59, 130, 246, 0.18);
}

.option-label input[type="radio"] {
  display: none;
}

.option-number-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.option-label.selected .option-number-circle {
  background-color: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #ffffff;
}

/* Review State on Option Labels */
.option-label.review-correct-choice {
  border-color: var(--status-success);
  background-color: var(--status-success-bg);
}

.option-label.review-correct-choice .option-number-circle {
  background-color: var(--status-success);
  border-color: var(--status-success);
  color: #ffffff;
}

.option-label.review-wrong-choice {
  border-color: var(--status-danger);
  background-color: var(--status-danger-bg);
}

.option-label.review-wrong-choice .option-number-circle {
  background-color: var(--status-danger);
  border-color: var(--status-danger);
  color: #ffffff;
}

/* Review Explanation Box inside Question Card */
.question-explanation-box {
  margin-top: 0.9rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-muted);
  border-left: 4px solid var(--brand-primary);
  font-size: 0.86rem;
}

.exp-header {
  font-weight: 700;
  margin-bottom: 0.3rem;
  display: flex;
  justify-content: space-between;
}

/* Unit Navigation Footer */
.unit-nav-footer {
  margin-top: 1.35rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.unit-dots-indicator {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: center;
}

.unit-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--border-strong);
  cursor: pointer;
  border: none;
}

.unit-dot.active {
  background-color: var(--brand-primary);
  transform: scale(1.25);
}

.unit-dot.complete {
  background-color: var(--status-success);
}

/* ==================== RESULTS VIEW ==================== */
.results-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1.35rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.results-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brand-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.results-title {
  font-size: 1.65rem;
  font-weight: 700;
  margin-top: 0.2rem;
}

.results-meta {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.results-top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.score-overview-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.15rem;
  margin-bottom: 2rem;
}

.score-main-box,
.score-metric-card {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.35rem;
}

.score-box-label,
.metric-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
}

.scaled-score-display {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin: 0.4rem 0 0.65rem;
}

.scaled-big {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--brand-primary);
}

.scaled-max {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted);
}

.pass-status-badge {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  margin-bottom: 0.65rem;
}

.pass-status-badge.passed {
  background-color: var(--status-success-bg);
  color: var(--status-success);
}

.pass-status-badge.failed {
  background-color: var(--status-danger-bg);
  color: var(--status-danger);
}

.score-benchmark-note {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.metric-big {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  margin: 0.5rem 0 0.25rem;
}

.metric-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.results-section-block {
  margin-top: 1.75rem;
}

.block-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.block-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}

.mondai-breakdown-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.85rem;
}

.breakdown-item {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
}

.breakdown-top {
  display: flex;
  justify-content: space-between;
  font-size: 0.86rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.breakdown-bar-bg {
  height: 8px;
  background-color: var(--bg-muted);
  border-radius: 99px;
  overflow: hidden;
}

.breakdown-bar-fill {
  height: 100%;
  background-color: var(--brand-primary);
}

/* Results Question Table */
.results-question-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.results-q-table,
.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  text-align: left;
}

.results-q-table th,
.results-q-table td,
.history-table th,
.history-table td {
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border-color);
}

.results-q-table th,
.history-table th {
  background-color: var(--bg-muted);
  font-weight: 700;
  color: var(--text-secondary);
}

.results-q-table tr:hover {
  background-color: var(--bg-elevated);
}

.badge-correct {
  color: var(--status-success);
  font-weight: 700;
}

.badge-wrong {
  color: var(--status-danger);
  font-weight: 700;
}

/* ==================== MODALS ==================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 250;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  max-width: 520px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}

.modal-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.modal-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.pause-modal {
  text-align: center;
}

.pause-icon-circle {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background-color: var(--bg-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.pause-stats {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  padding: 0.6rem;
  background-color: var(--bg-muted);
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}

.modal-badge-row {
  margin-bottom: 0.65rem;
}

.pending-badge-lg {
  font-size: 0.72rem;
  font-weight: 700;
  background-color: var(--brand-accent-soft);
  color: var(--brand-accent);
  padding: 0.22rem 0.6rem;
  border-radius: 4px;
}

.feature-preview-list {
  list-style: none;
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  background-color: var(--bg-elevated);
  padding: 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.guest-profile-box {
  background-color: var(--bg-muted);
  padding: 0.9rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}

.guest-profile-box label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.guest-input-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.guest-input-row input {
  flex: 1;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

.guest-profile-box small {
  font-size: 0.74rem;
  color: var(--text-muted);
}

.submit-summary-pills {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.summary-pill {
  flex: 1;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.65rem;
  text-align: center;
  font-size: 0.82rem;
}

.summary-pill strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.25rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.65rem;
  flex-wrap: wrap;
}

/* ==================== FOOTER ==================== */
.site-footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  padding: 1rem 1.25rem;
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ==================== GOOGLE ACCOUNT & CLOUD SYNC STYLES ==================== */
.account-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border-radius: 99px;
  border: 1.5px solid var(--border-strong);
  background-color: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: var(--shadow-sm);
}

.account-btn:hover {
  border-color: var(--brand-primary);
  transform: translateY(-1px);
}

.user-avatar-sm {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
}

.sync-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-muted);
}

.sync-status-dot.online {
  background-color: var(--status-success);
  box-shadow: 0 0 0 3px var(--status-success-bg);
}

.cloud-save-indicator {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--status-success);
  padding-left: 0.35rem;
}

/* Resume Progress Banner */
.resume-progress-banner {
  background: linear-gradient(90deg, var(--bg-elevated), var(--bg-surface));
  border: 2px solid var(--brand-accent);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.5rem;
  margin-bottom: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  box-shadow: var(--shadow-md);
}

.resume-banner-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.resume-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: var(--brand-accent-soft);
  color: var(--brand-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.resume-title-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.cloud-pill {
  font-size: 0.7rem;
  font-weight: 700;
  background-color: var(--status-success-bg);
  color: var(--status-success);
  padding: 0.12rem 0.55rem;
  border-radius: 99px;
}

.resume-details {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

.resume-banner-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* History Sync & User Metrics */
.history-title-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.sync-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.18rem 0.6rem;
  border-radius: 99px;
  background-color: var(--bg-muted);
  color: var(--text-secondary);
}

.sync-badge.synced {
  background-color: var(--status-success-bg);
  color: var(--status-success);
}

.history-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.user-summary-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.15rem;
}

.u-metric-box {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.u-metric-label {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-weight: 600;
}

.u-metric-val {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--brand-primary);
}

/* Google Account Modal */
.account-modal-card {
  max-width: 480px;
}

.cloud-badge-lg {
  font-size: 0.72rem;
  font-weight: 700;
  background-color: var(--bg-muted);
  color: var(--text-secondary);
  padding: 0.22rem 0.65rem;
  border-radius: 99px;
}

.cloud-badge-lg.active {
  background-color: var(--status-success-bg);
  color: var(--status-success);
}

.google-gsi-box {
  display: flex;
  justify-content: center;
  margin: 0.75rem 0;
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  font-size: 0.76rem;
  color: var(--text-muted);
  margin: 0.85rem 0;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--border-color);
}

.auth-divider span {
  padding: 0 0.65rem;
}

.google-email-form {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input {
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background-color: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.btn-google-submit {
  background-color: #ffffff;
  color: #1f2937;
  border: 1.5px solid #d1d5db;
  padding: 0.65rem 1rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.btn-google-submit:hover {
  background-color: #f9fafb;
  border-color: #9ca3af;
}

.login-error-msg {
  font-size: 0.8rem;
  color: var(--status-danger);
  background-color: var(--status-danger-bg);
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
}

.oauth-config-details {
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  padding-top: 0.65rem;
}

.oauth-config-details summary {
  cursor: pointer;
  font-weight: 600;
}

.oauth-config-body {
  margin-top: 0.5rem;
}

.user-profile-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1rem;
}

.user-avatar-lg {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--brand-primary);
}

.user-profile-info h4 {
  font-size: 1.05rem;
  margin-bottom: 0.1rem;
}

.user-profile-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.provider-pill {
  font-size: 0.7rem;
  font-weight: 700;
  background-color: var(--bg-muted);
  color: var(--brand-primary);
  padding: 0.12rem 0.5rem;
  border-radius: 4px;
}

.sync-reassurance {
  font-size: 0.82rem !important;
  background-color: var(--status-success-bg);
  color: var(--status-success) !important;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
}

.account-logged-in-actions {
  display: flex;
  justify-content: space-between;
  gap: 0.65rem;
  margin-top: 0.85rem;
}

/* ==================== RESPONSIVE ==================== */
/* Prevent grid/flex children from overflowing parent card borders */
.hero-content,
.hero-stats-panel,
.passage-pane,
.questions-pane,
.mondai-select-card,
.module-card,
.score-main-box,
.score-metric-card,
.question-card,
.option-label,
.option-text,
.q-prompt-text {
  min-width: 0;
  max-width: 100%;
  overflow-wrap: break-word;
  word-break: break-word;
}

.info-doc-body {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.note-row {
  flex-wrap: wrap;
}

.note-term {
  white-space: normal;
}

@media (max-width: 1024px) {
  .hero-card {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }

  .exam-split-workspace {
    grid-template-columns: 1fr;
  }

  .passage-pane {
    position: static;
    max-height: none;
  }

  .score-overview-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .main-container {
    padding: 0.75rem;
  }

  .header-inner {
    padding: 0.55rem 0.75rem;
    gap: 0.55rem;
  }

  .brand-subtitle {
    display: none;
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .brand-emblem {
    width: 32px;
    height: 32px;
    font-size: 1.05rem;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.45rem;
  }

  .exam-top-controls {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.45rem;
  }

  .exam-progress-pill {
    flex: 1 1 auto;
    justify-content: space-between;
    padding: 0.3rem 0.55rem;
  }

  .hero-card,
  .config-card,
  .roadmap-section,
  .history-section,
  .results-card,
  .passage-pane,
  .questions-pane {
    padding: 1.1rem;
    border-radius: var(--radius-md);
  }

  .hero-eyebrow {
    font-size: 0.72rem;
    white-space: normal;
    line-height: 1.4;
  }

  .hero-title {
    font-size: 1.45rem;
    line-height: 1.35;
  }

  .hero-description {
    font-size: 0.9rem;
  }

  .hero-cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta-row .btn {
    width: 100%;
  }

  .section-header-row,
  .questions-pane-header,
  .passage-meta-bar,
  .exp-header,
  .stats-panel-header {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .config-options-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .input-with-Addon {
    width: 100%;
    flex-wrap: wrap;
  }

  #seedInput {
    width: 100%;
    flex: 1 1 160px;
  }

  .config-start-action,
  .config-start-action .btn {
    width: 100%;
  }

  .mondai-selector-grid,
  .module-cards-grid {
    grid-template-columns: 1fr;
  }

  .question-card {
    padding: 0.9rem;
  }

  .question-card-top {
    flex-wrap: wrap;
    gap: 0.45rem;
  }

  .q-prompt-text {
    width: 100%;
    order: 3;
    flex: 1 1 100%;
  }

  .unit-nav-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .unit-nav-footer .btn {
    width: 100%;
  }

  .resume-progress-banner {
    padding: 1rem;
    flex-direction: column;
    align-items: stretch;
  }

  .resume-banner-actions {
    width: 100%;
    flex-direction: column;
  }

  .resume-banner-actions .btn {
    width: 100%;
  }

  .modal-card {
    padding: 1.2rem;
    max-height: 92vh;
    overflow-y: auto;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .user-summary-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .exam-subheader {
    padding: 0.45rem 0.6rem;
  }

  .exam-subheader-right {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .passage-paper {
    font-size: 1rem;
    line-height: 1.85;
  }

  .scaled-big {
    font-size: 2.35rem;
  }

  .metric-big {
    font-size: 1.75rem;
  }
}