/* ==========================================================================
   CertMaster Adaptive Multi-Domain Learning Dashboard (Clean Light Mode)
   Design System: Clean SaaS, Slate-50 Canvas, White Elevated Surfaces, Sky-600 Brand
   ========================================================================== */
:root {
  --cmd-bg-canvas: #f8fafc;
  --cmd-bg-surface: #ffffff;
  --cmd-bg-surface-elevated: #ffffff;
  --cmd-border-subtle: #e2e8f0;
  --cmd-border-focus: #cbd5e1;
  
  --cmd-text-primary: #0f172a;    /* slate-900 */
  --cmd-text-secondary: #475569;  /* slate-600 */
  --cmd-text-muted: #64748b;      /* slate-500 */
  --cmd-text-light: #94a3b8;      /* slate-400 */
  
  --cmd-brand-primary: #0284c7;   /* sky-600 */
  --cmd-brand-hover: #0369a1;     /* sky-700 */
  --cmd-brand-tint: #f0f9ff;      /* sky-50 */
  --cmd-brand-border: #bae6fd;    /* sky-200 */
  
  --cmd-accent-emerald: #10b981;
  --cmd-accent-amber: #f59e0b;
  --cmd-accent-rose: #ef4444;
  --cmd-accent-indigo: #6366f1;
  
  --cmd-shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --cmd-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --cmd-shadow-hover: 0 10px 25px -4px rgba(15, 23, 42, 0.08), 0 4px 10px -2px rgba(15, 23, 42, 0.04);
  
  --cmd-radius-sm: 8px;
  --cmd-radius-md: 12px;
  --cmd-radius-lg: 16px;
  --cmd-radius-xl: 20px;
  --cmd-radius-full: 9999px;
  
  --cmd-easing: cubic-bezier(0.16, 1, 0.3, 1);
}

.cmd-dashboard-root {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 60px;
  color: var(--cmd-text-primary);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  position: relative;
}

.cmd-dashboard-root::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 380px;
  background: radial-gradient(circle at 50% 0%, rgba(2, 132, 199, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.cmd-dashboard-root > * {
  position: relative;
  z-index: 1;
}

.animate-fade-in {
  animation: cmdFadeIn 0.35s var(--cmd-easing);
}

@keyframes cmdFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Header & Pill Tabs Switcher (對齊首頁底部膠囊選單)
   ========================================================================== */
.cmd-dash-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 20px;
}

.cmd-dash-greeting {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.7px;
  color: var(--cmd-text-primary);
  margin: 0 0 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.cmd-emoji-badge {
  font-size: 26px;
}

.cmd-dash-subtitle {
  margin: 0;
  font-size: 14px;
  color: var(--cmd-text-muted);
  font-weight: 500;
}

/* Pill Tabs 題庫切換列 */
.cmd-bank-switcher-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cmd-switcher-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--cmd-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cmd-pill-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.cmd-pill-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--cmd-bg-surface);
  border: 1px solid var(--cmd-border-subtle);
  border-radius: var(--cmd-radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--cmd-text-secondary);
  cursor: pointer;
  transition: all 0.2s var(--cmd-easing);
  box-shadow: var(--cmd-shadow-sm);
}

.cmd-pill-tab:hover {
  border-color: var(--cmd-border-focus);
  color: var(--cmd-text-primary);
  transform: translateY(-1px);
}

.cmd-pill-tab.active {
  background: var(--cmd-brand-tint);
  border-color: var(--cmd-brand-primary);
  color: var(--cmd-brand-primary);
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.15);
}

.cmd-tab-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

/* ==========================================================================
   KPI Bento 6 Grid (柔和色塊方形 Icon)
   ========================================================================== */
.cmd-kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

@media (max-width: 1080px) {
  .cmd-kpi-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .cmd-kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.cmd-kpi-card {
  background: var(--cmd-bg-surface);
  border: 1px solid var(--cmd-border-subtle);
  border-radius: var(--cmd-radius-lg);
  padding: 18px 16px;
  box-shadow: var(--cmd-shadow-card);
  transition: transform 0.25s var(--cmd-easing), box-shadow 0.25s, border-color 0.25s;
  display: flex;
  flex-direction: column;
  position: relative;
}

.cmd-kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--cmd-shadow-hover);
  border-color: var(--cmd-border-focus);
}

/* 右上角柔和方形 Icon 容器 (對齊首頁 STEP 卡片風格) */
.cmd-kpi-icon-badge {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  margin-bottom: 14px;
}

.cmd-badge-blue    { background: #f0f9ff; color: #0284c7; }
.cmd-badge-rose    { background: #fff1f2; color: #e11d48; }
.cmd-badge-emerald { background: #ecfdf5; color: #059669; }
.cmd-badge-indigo  { background: #eef2ff; color: #4f46e5; }
.cmd-badge-amber   { background: #fffbeb; color: #d97706; }
.cmd-badge-purple  { background: #faf5ff; color: #9333ea; }

.cmd-kpi-num {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: var(--cmd-text-primary);
  margin-bottom: 4px;
}

.cmd-kpi-label {
  font-size: 13px;
  color: var(--cmd-text-muted);
  font-weight: 500;
}

.cmd-kpi-note {
  font-size: 11px;
  color: #b45309;
  font-weight: 700;
  margin-top: 4px;
  display: inline-block;
  background: #fef3c7;
  padding: 1px 6px;
  border-radius: 4px;
  width: fit-content;
}

/* ==========================================================================
   Readiness Card (考試準備度大卡片)
   ========================================================================== */
.cmd-readiness-card {
  background: var(--cmd-bg-surface);
  border: 1px solid var(--cmd-border-subtle);
  border-radius: var(--cmd-radius-xl);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--cmd-shadow-card);
}

.cmd-readiness-main {
  display: grid;
  grid-template-columns: 240px 1fr 220px;
  gap: 32px;
  align-items: center;
}

@media (max-width: 990px) {
  .cmd-readiness-main {
    grid-template-columns: 1fr;
  }
}

.cmd-sec-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--cmd-text-muted);
}

.cmd-score-hero {
  margin: 6px 0 8px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.cmd-big-num {
  font-size: 48px;
  font-weight: 800;
  color: var(--cmd-brand-primary);
  letter-spacing: -1.5px;
  line-height: 1;
}

.cmd-score-denom {
  font-size: 16px;
  color: var(--cmd-text-light);
  font-weight: 600;
}

.cmd-predict-tag {
  font-size: 13px;
  font-weight: 700;
  color: var(--cmd-text-primary);
  margin-bottom: 8px;
  background: #f1f5f9;
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
}

.cmd-confidence-pill {
  font-size: 12px;
  color: var(--cmd-text-secondary);
}

.cmd-tag-val {
  color: #b45309;
  font-weight: 700;
  background: #fef3c7;
  padding: 1px 6px;
  border-radius: 4px;
}

/* Dimension List (白底長條圖 + 柔和色彩) */
.cmd-dimension-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cmd-dim-row {
  display: grid;
  grid-template-columns: 140px 1fr 48px;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.cmd-dim-label-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.cmd-dim-name {
  color: var(--cmd-text-secondary);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cmd-weak-tag {
  font-size: 10px;
  font-weight: 700;
  background: #fff1f2;
  color: #e11d48;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid #fecdd3;
  white-space: nowrap;
}

.cmd-dim-track {
  height: 8px;
  background: #f1f5f9;
  border-radius: var(--cmd-radius-full);
  overflow: hidden;
}

.cmd-dim-bar {
  height: 100%;
  border-radius: var(--cmd-radius-full);
  transition: width 0.6s var(--cmd-easing);
}

.cmd-bar-emerald { background: #10b981; }
.cmd-bar-amber   { background: #f59e0b; }
.cmd-bar-rose    { background: #ef4444; }

.cmd-dim-pct {
  text-align: right;
  font-weight: 700;
  color: var(--cmd-text-secondary);
}

/* Pacer Column */
.cmd-pacer-col {
  border-left: 1px solid var(--cmd-border-subtle);
  padding-left: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (max-width: 990px) {
  .cmd-pacer-col {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--cmd-border-subtle);
    padding-top: 24px;
  }
}

.cmd-pacer-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--cmd-text-muted);
}

.cmd-pacer-days {
  font-size: 40px;
  font-weight: 800;
  color: #d97706;
  margin: 4px 0 6px;
  letter-spacing: -1px;
}

.cmd-days-unit {
  font-size: 16px;
  font-weight: 600;
  color: var(--cmd-text-secondary);
}

.cmd-pacer-sub, .cmd-pacer-cover {
  font-size: 12px;
  color: var(--cmd-text-secondary);
  margin-bottom: 4px;
}

.cmd-btn-pacer-set {
  margin-top: 12px;
  background: #fff;
  border: 1px solid var(--cmd-border-subtle);
  color: var(--cmd-text-secondary);
  padding: 8px 14px;
  border-radius: var(--cmd-radius-full);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  box-shadow: var(--cmd-shadow-sm);
}

.cmd-btn-pacer-set:hover {
  color: var(--cmd-brand-primary);
  border-color: var(--cmd-brand-primary);
  background: var(--cmd-brand-tint);
}

/* SRS Heatmap Strip (Clean White + 柔和紅粉階梯) */
.cmd-srs-heatmap-wrapper {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--cmd-border-subtle);
}

.cmd-srs-strip-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--cmd-text-primary);
  margin-bottom: 14px;
}

.cmd-srs-sub-hint {
  color: var(--cmd-text-light);
  font-size: 12px;
  font-weight: 500;
}

.cmd-srs-strip {
  display: grid;
  grid-template-columns: repeat(14, 1fr);
  gap: 6px;
}

@media (max-width: 640px) {
  .cmd-srs-strip {
    grid-template-columns: repeat(7, 1fr);
  }
}

.cmd-srs-cell {
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: #475569;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  border: 1px solid transparent;
}

.cmd-srs-cell:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(239, 68, 68, 0.2);
}

.cmd-heat-lvl-1 { background: #fff1f2; color: #e11d48; border-color: #ffe4e6; }
.cmd-heat-lvl-2 { background: #fecdd3; color: #be123c; }
.cmd-heat-lvl-3 { background: #fda4af; color: #9f1239; }
.cmd-heat-lvl-4 { background: #f43f5e; color: #ffffff; font-weight: 800; }

/* ==========================================================================
   Action Banners (每日目標 & 間隔複習)
   ========================================================================== */
.cmd-action-banner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .cmd-action-banner-grid {
    grid-template-columns: 1fr;
  }
}

.cmd-target-card, .cmd-srs-due-card {
  background: var(--cmd-bg-surface);
  border: 1px solid var(--cmd-border-subtle);
  border-radius: var(--cmd-radius-lg);
  padding: 22px;
  box-shadow: var(--cmd-shadow-card);
}

.cmd-target-header, .cmd-srs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.cmd-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--cmd-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.cmd-btn-text {
  background: transparent;
  border: none;
  color: var(--cmd-text-muted);
  font-size: 13px;
  cursor: pointer;
  font-weight: 600;
}

.cmd-btn-text:hover { color: var(--cmd-text-primary); }

.cmd-target-num-row, .cmd-srs-due-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.cmd-target-ratio, .cmd-srs-count-text {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.6px;
  color: var(--cmd-text-primary);
}

.cmd-target-subtext {
  font-size: 12px;
  color: var(--cmd-text-secondary);
  display: flex;
  gap: 16px;
  font-weight: 500;
}

.cmd-badge-pct {
  font-size: 12px;
  font-weight: 700;
  background: #f1f5f9;
  padding: 4px 10px;
  border-radius: var(--cmd-radius-full);
  color: var(--cmd-text-secondary);
}

.cmd-btn-quick-10 {
  background: var(--cmd-brand-primary);
  color: #fff;
  border: none;
  padding: 7px 16px;
  border-radius: var(--cmd-radius-full);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.25);
}

.cmd-btn-quick-10:hover {
  background: var(--cmd-brand-hover);
  transform: translateY(-1px);
}

.cmd-btn-srs-all {
  background: #fff;
  border: 1px solid var(--cmd-border-subtle);
  color: var(--cmd-text-primary);
  padding: 8px 18px;
  border-radius: var(--cmd-radius-full);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: var(--cmd-shadow-sm);
}

.cmd-btn-srs-all:hover {
  border-color: var(--cmd-brand-primary);
  color: var(--cmd-brand-primary);
  background: var(--cmd-brand-tint);
}

.cmd-srs-foot {
  font-size: 12px;
  color: var(--cmd-text-light);
  font-weight: 500;
}

/* ==========================================================================
   4 Modules Grid (對齊首頁「進入考場 / 繼續做題」黑底按鈕與純淨卡片)
   ========================================================================== */
.cmd-modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.cmd-module-card {
  background: var(--cmd-bg-surface);
  border: 1px solid var(--cmd-border-subtle);
  border-radius: var(--cmd-radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s var(--cmd-easing), box-shadow 0.25s, border-color 0.25s;
  box-shadow: var(--cmd-shadow-card);
}

.cmd-module-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--cmd-shadow-hover);
  border-color: var(--cmd-border-focus);
}

.cmd-module-card p {
  font-size: 13px;
  color: var(--cmd-text-muted);
  flex: 1;
  margin: 10px 0 20px;
  line-height: 1.5;
}

.cmd-mod-icon-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cmd-mod-icon-title h4 {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--cmd-text-primary);
  letter-spacing: -0.4px;
}

/* 按鈕語意系統 (對齊首頁 Primary Blue 與 Secondary Slate-900) */
.cmd-btn-primary {
  background: var(--cmd-brand-primary);
  color: #fff;
  border: none;
  padding: 11px;
  border-radius: var(--cmd-radius-full);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.25);
  text-align: center;
}

.cmd-btn-primary:hover {
  background: var(--cmd-brand-hover);
  transform: translateY(-1px);
}

.cmd-btn-secondary {
  background: #0f172a; /* slate-900 */
  color: #ffffff;
  border: none;
  padding: 11px;
  border-radius: var(--cmd-radius-full);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.15);
  text-align: center;
}

.cmd-btn-secondary:hover {
  background: #1e293b; /* slate-800 */
  transform: translateY(-1px);
}

.cmd-btn-amber {
  background: #fff;
  color: #b45309;
  border: 1px solid #fcd34d;
  box-shadow: var(--cmd-shadow-sm);
}

.cmd-btn-amber:hover {
  background: #fffbeb;
  border-color: #f59e0b;
  color: #92400e;
}

.cmd-btn-emerald {
  background: #059669;
  color: #fff;
  border: none;
  padding: 11px;
  border-radius: var(--cmd-radius-full);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 6px rgba(5, 150, 105, 0.25);
  text-align: center;
}

.cmd-btn-emerald:hover {
  background: #047857;
  transform: translateY(-1px);
}

/* ==========================================================================
   History Section (最近練習記錄)
   ========================================================================== */
.cmd-history-section {
  background: var(--cmd-bg-surface);
  border: 1px solid var(--cmd-border-subtle);
  border-radius: var(--cmd-radius-xl);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--cmd-shadow-card);
}

.cmd-history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.cmd-history-header h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--cmd-text-primary);
}

.cmd-btn-view-all {
  background: transparent;
  border: none;
  color: var(--cmd-brand-primary);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.cmd-btn-view-all:hover {
  text-decoration: underline;
}

.cmd-history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.cmd-history-table th {
  text-align: left;
  padding: 12px 14px;
  color: var(--cmd-text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--cmd-border-subtle);
  background: #f8fafc;
}

.cmd-history-table td {
  padding: 14px;
  border-bottom: 1px solid #f1f5f9;
  color: var(--cmd-text-secondary);
}

.cmd-table-tag {
  background: #f0f9ff;
  color: #0284c7;
  padding: 3px 10px;
  border-radius: var(--cmd-radius-full);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid #bae6fd;
}

.cmd-cell-score {
  font-weight: 800;
  color: var(--cmd-text-primary);
}

/* ==========================================================================
   Category Section (分類概覽卡片)
   ========================================================================== */
.cmd-category-section {
  background: var(--cmd-bg-surface);
  border: 1px solid var(--cmd-border-subtle);
  border-radius: var(--cmd-radius-xl);
  padding: 24px;
  box-shadow: var(--cmd-shadow-card);
}

.cmd-category-header h3 {
  margin: 0 0 18px;
  font-size: 17px;
  font-weight: 800;
  color: var(--cmd-text-primary);
}

.cmd-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.cmd-cat-card {
  background: #f8fafc;
  border: 1px solid var(--cmd-border-subtle);
  border-radius: var(--cmd-radius-md);
  padding: 18px;
  transition: all 0.2s;
}

.cmd-cat-card:hover {
  background: #ffffff;
  border-color: var(--cmd-border-focus);
  box-shadow: var(--cmd-shadow-sm);
  transform: translateY(-1px);
}

.cmd-cat-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.cmd-cat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.cmd-cat-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--cmd-text-primary);
  flex: 1;
}

.cmd-cat-badge {
  font-size: 11px;
  font-weight: 700;
  background: #f0f9ff;
  color: #0284c7;
  padding: 2px 8px;
  border-radius: var(--cmd-radius-full);
  border: 1px solid #bae6fd;
}

.cmd-cat-total {
  font-size: 12px;
  color: var(--cmd-text-muted);
  font-weight: 500;
}

/* ==========================================================================
   No Entitlements State (無購買題庫或未登入提示)
   ========================================================================== */
.cmd-no-auth-card {
  background: var(--cmd-bg-surface);
  border: 1px solid var(--cmd-border-subtle);
  border-radius: var(--cmd-radius-xl);
  padding: 56px 28px;
  text-align: center;
  max-width: 620px;
  margin: 60px auto;
  box-shadow: var(--cmd-shadow-card);
}

.cmd-lock-icon-badge {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: #fef2f2;
  color: #ef4444;
  font-size: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border: 1px solid #fee2e2;
}

.cmd-no-auth-card h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--cmd-text-primary);
  margin: 0 0 12px;
  letter-spacing: -0.5px;
}

.cmd-no-auth-card p {
  font-size: 14px;
  color: var(--cmd-text-secondary);
  line-height: 1.6;
  margin: 0 auto 28px;
  max-width: 460px;
}

.cmd-no-auth-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}


/* ==========================================================================
   Today Goal Progress Bar
   ========================================================================== */
.cmd-target-progress-wrap { margin: 10px 0 8px; }
.cmd-progress-track {
  height: 8px; background: #e2e8f0; border-radius: 9999px; overflow: hidden; margin-top: 10px;
}
.cmd-progress-fill {
  height: 100%; background: linear-gradient(90deg, #0284c7, #38bdf8);
  border-radius: 9999px; transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Recent Sessions Section
   ========================================================================== */
.cmd-recent-sessions-card {
  background: var(--cmd-bg-surface); border: 1px solid var(--cmd-border-subtle);
  border-radius: var(--cmd-radius-xl); padding: 24px 28px;
  box-shadow: var(--cmd-shadow-card); margin-top: 24px;
}
.cmd-recent-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 20px; flex-wrap: wrap; gap: 8px;
}
.cmd-recent-hint { font-size: 12px; color: var(--cmd-text-muted); font-weight: 500; }
.cmd-recent-empty { text-align: center; padding: 32px 0 16px; color: var(--cmd-text-muted); font-size: 14px; }
.cmd-recent-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.cmd-recent-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.cmd-recent-table thead tr { background: #f8fafc; border-bottom: 1.5px solid #e2e8f0; }
.cmd-recent-table th {
  text-align: left; padding: 10px 14px; font-size: 11.5px; font-weight: 700;
  color: var(--cmd-text-muted); letter-spacing: 0.04em; text-transform: uppercase; white-space: nowrap;
}
.cmd-recent-table td { padding: 12px 14px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }
.cmd-recent-table tbody tr:last-child td { border-bottom: none; }
.cmd-recent-table tbody tr:hover td { background: #f8fafc; }
.cmd-session-date { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--cmd-text-secondary); white-space: nowrap; }
.cmd-session-mode-badge { font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 9999px; }
.cmd-mode-exam     { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.cmd-mode-practice { background: #f0f9ff; color: #075985; border: 1px solid #bae6fd; }
.cmd-session-count { font-weight: 600; color: var(--cmd-text-primary); }
.cmd-session-acc   { font-weight: 700; font-family: 'IBM Plex Mono', monospace; }
.cmd-session-acc.good { color: #059669; }
.cmd-session-acc.warn { color: #d97706; }
.cmd-session-time  { color: var(--cmd-text-muted); font-size: 13px; }

/* ==========================================================================
   Modal System (Goal / Practice Filter)
   ========================================================================== */
.cmd-modal-overlay {
  position: fixed; inset: 0; background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px); z-index: 1000; display: flex;
  align-items: center; justify-content: center; padding: 20px;
  animation: cmdFadeIn 0.2s ease;
}
.cmd-modal-box {
  background: #ffffff; border-radius: 20px;
  box-shadow: 0 24px 60px -8px rgba(15,23,42,0.20), 0 8px 20px -4px rgba(15,23,42,0.08);
  width: 100%; max-width: 500px; overflow: hidden;
  animation: cmdSlideUp 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes cmdSlideUp {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)   scale(1); }
}
.cmd-modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px 16px; border-bottom: 1px solid #f1f5f9;
}
.cmd-modal-title {
  font-size: 16px; font-weight: 800; color: var(--cmd-text-primary);
  display: flex; align-items: center; gap: 8px; letter-spacing: -0.3px;
}
.cmd-modal-close {
  width: 32px; height: 32px; border: none; background: #f1f5f9;
  border-radius: 8px; cursor: pointer; display: flex; align-items: center;
  justify-content: center; color: #64748b; font-size: 14px; transition: all 0.18s;
}
.cmd-modal-close:hover { background: #fee2e2; color: #ef4444; }
.cmd-modal-body { padding: 20px 24px; display: flex; flex-direction: column; gap: 20px; }
.cmd-modal-footer {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 16px 24px 20px; border-top: 1px solid #f1f5f9;
}
.cmd-form-row { display: flex; flex-direction: column; gap: 8px; }
.cmd-form-label { font-size: 13px; font-weight: 700; color: var(--cmd-text-primary); }
.cmd-input-group { display: flex; align-items: center; gap: 8px; }
.cmd-form-input {
  flex: 1; padding: 10px 14px; border: 1.5px solid #e2e8f0; border-radius: 10px;
  font-size: 15px; font-weight: 600; color: var(--cmd-text-primary);
  font-family: 'IBM Plex Mono', monospace; background: #f8fafc;
  outline: none; transition: border-color 0.18s, box-shadow 0.18s;
}
.cmd-form-input:focus {
  border-color: #0284c7; background: #ffffff;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.12);
}
.cmd-input-unit { font-size: 13px; font-weight: 700; color: var(--cmd-text-muted); white-space: nowrap; }
.cmd-form-hint  { font-size: 12px; color: var(--cmd-text-muted); line-height: 1.5; margin: 0; }
.cmd-scale-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.cmd-scale-pill {
  padding: 8px 18px; border-radius: 9999px; border: 1.5px solid #e2e8f0;
  background: #f8fafc; font-size: 13px; font-weight: 700;
  color: var(--cmd-text-secondary); cursor: pointer; transition: all 0.18s;
}
.cmd-scale-pill:hover { border-color: #bae6fd; background: #f0f9ff; color: #0284c7; }
.cmd-scale-pill.active {
  background: #0284c7; border-color: #0284c7; color: #ffffff;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.3);
}
.cmd-checkbox-row {
  display: flex; align-items: center; gap: 8px; font-size: 13.5px;
  color: var(--cmd-text-secondary); font-weight: 500; cursor: pointer;
}
.cmd-checkbox-row input[type="checkbox"] { width: 16px; height: 16px; accent-color: #0284c7; cursor: pointer; }
.cmd-modal-preview { min-height: 0; }

/* Amber button */
.cmd-btn-amber {
  background: linear-gradient(135deg, #f59e0b, #d97706); color: #ffffff;
  border: none; box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.cmd-btn-amber:hover {
  transform: translateY(-1px); box-shadow: 0 6px 16px rgba(245, 158, 11, 0.35);
  background: linear-gradient(135deg, #f59e0b, #b45309);
}

/* ==========================================================================
   Mistakes Notebook Modal & List Styles
   ========================================================================== */
.cmd-mistakes-modal-box {
  max-width: 780px;
  width: 95%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.cmd-mistakes-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

#cmdMistakesRunnerView {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  max-height: calc(90vh - 75px);
}

.cmd-mistakes-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
  gap: 12px;
  flex-wrap: wrap;
}

.cmd-mistakes-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.cmd-mfilter-pill {
  padding: 6px 14px;
  border-radius: 9999px;
  border: 1.5px solid #e2e8f0;
  background: #ffffff;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--cmd-text-secondary);
  cursor: pointer;
  transition: all 0.18s;
}

.cmd-mfilter-pill:hover {
  border-color: #bae6fd;
  background: #f0f9ff;
  color: #0284c7;
}

.cmd-mfilter-pill.active {
  background: #0284c7;
  border-color: #0284c7;
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.25);
}

.cmd-mistakes-sort-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.cmd-mistakes-select {
  padding: 6px 12px;
  border-radius: 8px;
  border: 1.5px solid #e2e8f0;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--cmd-text-primary);
  background: #ffffff;
  outline: none;
  cursor: pointer;
  transition: border-color 0.18s;
}

.cmd-mistakes-select:focus {
  border-color: #0284c7;
}

.cmd-mistakes-actions-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: #ffffff;
  border-bottom: 1px solid #f1f5f9;
  gap: 12px;
  flex-wrap: wrap;
}

.cmd-mistakes-actions-left {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cmd-btn-sm {
  padding: 7px 14px;
  font-size: 12.5px;
  font-weight: 700;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.18s;
}

.cmd-btn-emerald {
  background: #10b981;
  color: #ffffff;
  border: none;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.25);
}

.cmd-btn-emerald:hover {
  background: #059669;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.cmd-btn-ghost-danger {
  background: transparent;
  color: #e11d48;
  border: 1.5px solid #fecdd3;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s;
  padding: 6px 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cmd-btn-ghost-danger:hover {
  background: #fff1f2;
  border-color: #fda4af;
}

.cmd-mistakes-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 480px;
  background: #f8fafc;
}

.cmd-mistake-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.cmd-mistake-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
  transform: translateY(-1px);
}

.cmd-mistake-card.is-mastered {
  border-left: 4px solid #10b981;
  background: #fcfdfd;
}

.cmd-mcard-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.cmd-mcard-qtitle {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cmd-qnumber-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13.5px;
  font-weight: 800;
  color: #0f172a;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  padding: 3px 10px;
  border-radius: 6px;
}

.cmd-mcard-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--cmd-text-primary);
}

.cmd-mcard-badges {
  display: flex;
  gap: 6px;
  align-items: center;
}

.cmd-pill-tag {
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cmd-tag-rose {
  background: #fff1f2;
  color: #e11d48;
  border: 1px solid #fecdd3;
}

.cmd-tag-amber {
  background: #fffbeb;
  color: #d97706;
  border: 1px solid #fde68a;
}

.cmd-tag-emerald {
  background: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
}

.cmd-mcard-stats {
  display: flex;
  gap: 20px;
  font-size: 12.5px;
  color: var(--cmd-text-secondary);
  flex-wrap: wrap;
}

.cmd-mstat-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.cmd-mstat-lbl {
  color: var(--cmd-text-muted);
}

.cmd-mstat-val {
  font-weight: 700;
}

.cmd-mcard-bar-wrap {
  width: 100%;
}

.cmd-mcard-bar-track {
  width: 100%;
  height: 6px;
  background: #f1f5f9;
  border-radius: 9999px;
  overflow: hidden;
}

.cmd-mcard-bar-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.3s ease;
}

.cmd-mcard-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  align-items: center;
  margin-top: 4px;
}

.cmd-btn-item-practice {
  background: #f0f9ff;
  color: #0284c7;
  border: 1px solid #bae6fd;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.18s;
}

.cmd-btn-item-practice:hover {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.25);
}

.cmd-btn-item-remove {
  background: #ffffff;
  color: #64748b;
  border: 1px solid #e2e8f0;
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.18s;
}

.cmd-btn-item-remove:hover {
  background: #fee2e2;
  color: #ef4444;
  border-color: #fca5a5;
}

.cmd-mistakes-empty {
  text-align: center;
  padding: 48px 24px;
  background: #ffffff;
  border: 1px dashed #cbd5e1;
  border-radius: 14px;
}

/* ==========================================================================
   單題精準重練內嵌折疊區 (Accordion Drill Panel)
   ========================================================================== */
.cmd-mcard-drill-panel {
  margin-top: 14px;
  padding: 16px 18px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  animation: cmdSlideDown 0.22s ease-out;
}

@keyframes cmdSlideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cmd-drill-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e2e8f0;
}

.cmd-drill-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cmd-drill-qbadge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  font-weight: 800;
  background: #0284c7;
  color: #ffffff;
  padding: 2px 8px;
  border-radius: 4px;
}

.cmd-drill-head-text {
  font-size: 13px;
  font-weight: 700;
  color: #1e293b;
}

.cmd-drill-head-close {
  background: transparent;
  border: none;
  color: #64748b;
  cursor: pointer;
  font-size: 13px;
  padding: 4px 6px;
  border-radius: 4px;
  transition: all 0.15s;
}

.cmd-drill-head-close:hover {
  background: #f1f5f9;
  color: #0f172a;
}

.cmd-drill-stem {
  font-size: 13.5px;
  line-height: 1.6;
  color: #1e293b;
  margin-bottom: 14px;
}

.cmd-drill-stem img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  margin: 8px 0;
}

.cmd-drill-options-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.cmd-drill-opt-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.18s;
  user-select: none;
}

.cmd-drill-opt-item:hover {
  border-color: #93c5fd;
  background: #f0f9ff;
}

.cmd-drill-opt-item.is-selected {
  border-color: #0284c7;
  background: #f0f9ff;
  box-shadow: 0 0 0 1.5px rgba(2, 132, 199, 0.25);
}

.cmd-drill-opt-item.is-correct {
  border-color: #10b981 !important;
  background: #ecfdf5 !important;
  color: #065f46 !important;
}

.cmd-drill-opt-item.is-wrong {
  border-color: #ef4444 !important;
  background: #fef2f2 !important;
  color: #991b1b !important;
}

.cmd-drill-radio {
  width: 16px;
  height: 16px;
  accent-color: #0284c7;
  cursor: pointer;
}

.cmd-drill-opt-letter {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 800;
  font-size: 12px;
  min-width: 24px;
  height: 24px;
  border-radius: 6px;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #334155;
}

.cmd-drill-opt-item.is-correct .cmd-drill-opt-letter {
  background: #10b981;
  color: #ffffff;
}

.cmd-drill-opt-item.is-wrong .cmd-drill-opt-letter {
  background: #ef4444;
  color: #ffffff;
}

.cmd-drill-opt-text {
  font-size: 13px;
  line-height: 1.5;
  flex: 1;
}

.cmd-drill-actions {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
}

.cmd-drill-loading {
  text-align: center;
  padding: 24px 12px;
  font-size: 13px;
  color: #64748b;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.cmd-drill-feedback {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed #e2e8f0;
}

.cmd-drill-alert-success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cmd-drill-alert-danger {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cmd-drill-explanation {
  margin-top: 12px;
  padding: 12px 14px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-size: 13px;
  color: #334155;
  line-height: 1.6;
}

/* ==========================================================================
   全量錯題二刷 (In-Modal Dynamic Quiz Runner)
   ========================================================================== */
.cmd-runner-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

.cmd-btn-runner-back {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  color: #475569;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.18s;
}

.cmd-btn-runner-back:hover {
  background: #f8fafc;
  color: #0f172a;
  border-color: #cbd5e1;
}

.cmd-runner-progress-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cmd-runner-step-text {
  font-size: 13px;
  font-weight: 800;
  color: #0f172a;
}

.cmd-runner-elim-text {
  font-size: 12.5px;
  font-weight: 700;
  color: #059669;
}

.cmd-runner-progress-bar {
  width: 100%;
  height: 7px;
  background: #e2e8f0;
  border-radius: 9999px;
  overflow: hidden;
  margin-bottom: 18px;
}

.cmd-runner-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #0284c7, #10b981);
  border-radius: 9999px;
  transition: width 0.35s ease;
}

.cmd-runner-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.03);
}

.cmd-runner-qheader {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f1f5f9;
}

.cmd-runner-stem {
  font-size: 14.5px;
  line-height: 1.7;
  color: #0f172a;
  margin-bottom: 20px;
}

.cmd-runner-stem img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  margin: 10px 0;
}

.cmd-runner-options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.cmd-runner-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.cmd-runner-feedback {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed #e2e8f0;
}

/* 結算成果報告卡 */
.cmd-runner-summary {
  text-align: center;
  padding: 28px 16px;
}

.cmd-summary-icon {
  margin-bottom: 14px;
}

.cmd-summary-title {
  font-size: 22px;
  font-weight: 800;
  color: #0f172a;
  margin: 0 0 8px 0;
}

.cmd-summary-desc {
  font-size: 13.5px;
  color: #64748b;
  max-width: 480px;
  margin: 0 auto 24px auto;
  line-height: 1.6;
}

.cmd-summary-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 520px;
  margin: 0 auto 28px auto;
}

@media (max-width: 640px) {
  .cmd-summary-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.cmd-sstat-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 14px 10px;
}

.cmd-sstat-val {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 4px;
}

.cmd-sstat-lbl {
  font-size: 11.5px;
  color: #64748b;
  font-weight: 600;
}

.cmd-summary-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Practice & Mock Exam System Styles (Clean Light Mode)
   ========================================================================== */
.cmd-practice-setting-box,
.cmd-mock-intro-box {
  max-width: 620px;
}

.cmd-runner-modal-box {
  max-width: 840px;
  width: 95%;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 20px;
}

.cmd-mode-pill {
  padding: 8px 18px;
  border-radius: 9999px;
  border: 1.5px solid #e2e8f0;
  background: #f8fafc;
  font-size: 13px;
  font-weight: 700;
  color: var(--cmd-text-secondary);
  cursor: pointer;
  transition: all 0.18s;
}

.cmd-mode-pill:hover {
  border-color: #bae6fd;
  background: #f0f9ff;
  color: #0284c7;
}

.cmd-mode-pill.active {
  background: #0284c7;
  border-color: #0284c7;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.3);
}

.cmd-mock-pill {
  padding: 8px 18px;
  border-radius: 9999px;
  border: 1.5px solid #e2e8f0;
  background: #f8fafc;
  font-size: 13px;
  font-weight: 700;
  color: var(--cmd-text-secondary);
  cursor: pointer;
  transition: all 0.18s;
}

.cmd-mock-pill.active {
  background: #ef4444;
  border-color: #ef4444;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

/* Mock Intro Box */
.cmd-mock-intro-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: #fef2f2;
  border: 1px solid #fee2e2;
  border-radius: 14px;
}

.cmd-mock-intro-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #ffffff;
  color: #ef4444;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.15);
}

.cmd-mock-intro-heading {
  font-size: 16px;
  font-weight: 800;
  color: #0f172a;
  margin: 0 0 4px 0;
}

.cmd-mock-intro-sub {
  font-size: 13px;
  color: #64748b;
  margin: 0;
}

.cmd-mock-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.cmd-mspec-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 14px 10px;
  text-align: center;
}

.cmd-mspec-icon {
  font-size: 18px;
  margin-bottom: 6px;
}

.cmd-mspec-val {
  font-size: 15px;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 4px;
}

.cmd-mspec-lbl {
  font-size: 11.5px;
  color: #64748b;
  font-weight: 600;
}

.cmd-mock-rules-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 14px 16px;
}

.cmd-mrule-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12.5px;
  color: #334155;
  line-height: 1.5;
}

.cmd-mrule-item i {
  margin-top: 3px;
  font-size: 14px;
}

/* ==========================================================================
   Exam Mode Layout (Full Screen Immersion)
   ========================================================================== */
.cmd-exam-fullscreen-overlay {
  padding: 12px;
}

.cmd-exam-layout {
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0 25px 60px -10px rgba(15, 23, 42, 0.25);
  width: 100%;
  max-width: 1140px;
  height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.cmd-exam-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  flex-shrink: 0;
}

.cmd-exam-top-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cmd-exam-cert-badge {
  font-size: 12px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 9999px;
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.cmd-exam-title-text {
  font-size: 15px;
  font-weight: 800;
  color: #0f172a;
}

.cmd-exam-timer-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 9999px;
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
}

.cmd-exam-timer-wrap.cmd-timer-warning {
  background: #fef2f2;
  border-color: #f87171;
  color: #dc2626;
  animation: cmdTimerPulse 1.2s infinite;
}

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

.cmd-exam-timer-val {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 800;
  font-size: 15px;
  color: #0f172a;
}

.cmd-exam-timer-wrap.cmd-timer-warning .cmd-exam-timer-val {
  color: #dc2626;
}

.cmd-exam-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.cmd-exam-sidebar {
  width: 280px;
  background: #f8fafc;
  border-right: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  padding: 16px;
  overflow-y: auto;
  flex-shrink: 0;
}

.cmd-exam-palette-head {
  margin-bottom: 12px;
}

.cmd-exam-palette-stats {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  padding: 8px 10px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  font-size: 11.5px;
  color: #64748b;
}

.cmd-pstat {
  display: flex;
  align-items: center;
  gap: 4px;
}

.cmd-pstat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.cmd-pstat-dot.is-ans { background: #0284c7; }
.cmd-pstat-dot.is-unans { background: #cbd5e1; }
.cmd-pstat-dot.is-flag { background: #f59e0b; }

.cmd-exam-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.cmd-nav-btn {
  height: 38px;
  border-radius: 8px;
  border: 1.5px solid #e2e8f0;
  background: #ffffff;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12.5px;
  font-weight: 700;
  color: #475569;
  cursor: pointer;
  position: relative;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cmd-nav-btn:hover {
  border-color: #93c5fd;
  color: #0284c7;
}

.cmd-nav-btn.is-current {
  border-color: #0284c7 !important;
  box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.3) !important;
}

.cmd-nav-btn.is-answered {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
}

.cmd-nav-btn.is-flagged::after {
  content: '';
  position: absolute;
  top: 2px;
  right: 2px;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 8px 8px 0;
  border-color: transparent #f59e0b transparent transparent;
}

.cmd-nav-btn.is-review-correct {
  background: #10b981 !important;
  border-color: #10b981 !important;
  color: #ffffff !important;
}

.cmd-nav-btn.is-review-wrong {
  background: #ef4444 !important;
  border-color: #ef4444 !important;
  color: #ffffff !important;
}

.cmd-exam-main {
  flex: 1;
  padding: 24px 32px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.cmd-exam-qhead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.cmd-flag-btn {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 12.5px;
  font-weight: 700;
  color: #64748b;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.18s;
}

.cmd-flag-btn:hover {
  border-color: #f59e0b;
  color: #d97706;
}

.cmd-flag-btn.is-active {
  background: #fffbeb;
  border-color: #fde68a;
  color: #d97706;
}

.cmd-exam-nav-footer {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #f1f5f9;
}

/* ==========================================================================
   Scorecard Modal Styles
   ========================================================================== */
.cmd-scorecard-box {
  max-width: 680px;
  width: 95%;
  max-height: 88vh;
  overflow-y: auto;
  border-radius: 20px;
}

.cmd-scorecard-banner {
  padding: 24px;
  border-radius: 16px;
  text-align: center;
  margin-bottom: 24px;
}

.cmd-scorecard-banner.is-pass {
  background: linear-gradient(135deg, #ecfdf5, #d1fae5);
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.cmd-scorecard-banner.is-fail {
  background: linear-gradient(135deg, #fff1f2, #ffe4e6);
  border: 1px solid #fecdd3;
  color: #9f1239;
}

.cmd-scorecard-badge {
  font-size: 32px;
  margin-bottom: 8px;
}

.cmd-scorecard-title {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 6px 0;
}

.cmd-scorecard-sub {
  font-size: 14px;
  margin: 0;
  opacity: 0.9;
}

.cmd-scorecard-score-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 18px 24px;
  margin-bottom: 24px;
  text-align: center;
}

.cmd-scorecard-score-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 36px;
  font-weight: 800;
  color: #0f172a;
}

.cmd-scorecard-bench-track {
  width: 100%;
  height: 8px;
  background: #e2e8f0;
  border-radius: 9999px;
  position: relative;
  margin: 14px 0 8px 0;
  overflow: hidden;
}

.cmd-scorecard-bench-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.5s ease;
}

.cmd-scorecard-bench-fill.is-pass { background: #10b981; }
.cmd-scorecard-bench-fill.is-fail { background: #ef4444; }

.cmd-scorecard-bench-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: #64748b;
  font-weight: 600;
}

.cmd-scorecard-dimensions {
  margin-bottom: 24px;
}

.cmd-dim-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 10px;
}

.cmd-dim-head {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
}

.cmd-dim-track {
  width: 100%;
  height: 6px;
  background: #f1f5f9;
  border-radius: 9999px;
  overflow: hidden;
}

.cmd-dim-fill {
  height: 100%;
  border-radius: 9999px;
}

/* ==========================================================================
   試題媒體容器 (Images, Diagrams, Exhibits, Audio & Passages)
   ========================================================================== */
.cmd-q-img-box,
.gept-image-box,
.toeic-image-box {
  margin: 14px 0 18px 0;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px 16px 16px 16px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  max-width: 580px;
}

.cmd-q-img-header,
.gept-image-box .gept-img-header,
.toeic-image-box .toeic-img-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 10px;
  font-size: 12.5px;
  font-weight: 700;
  color: #475569;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 8px;
}

.cmd-q-img-zoom-btn {
  font-size: 11.5px;
  font-weight: 600;
  color: #0284c7;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 6px;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  transition: all 0.2s ease;
}
.cmd-q-img-zoom-btn:hover {
  background: #e0f2fe;
  color: #0369a1;
}

.cmd-q-img-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  overflow: hidden;
  background: #f8fafc;
  border-radius: 8px;
  padding: 8px;
  border: 1px solid #f1f5f9;
}

.cmd-q-img,
.gept-image-box .gept-q-img,
.toeic-image-box img {
  max-width: 100%;
  max-height: 380px;
  height: auto;
  border-radius: 6px;
  object-fit: contain;
  background: #ffffff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  cursor: zoom-in;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.cmd-q-img:hover,
.gept-image-box .gept-q-img:hover,
.toeic-image-box img:hover {
  transform: scale(1.015);
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

/* 聽力音檔播放器 */
.cmd-q-audio-box {
  margin: 12px 0 16px 0;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 12px;
  padding: 12px 16px;
  max-width: 580px;
}
.cmd-q-audio-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  color: #0369a1;
}
.cmd-audio-subtext {
  font-size: 11px;
  color: #0284c7;
  font-weight: 500;
  background: #e0f2fe;
  padding: 2px 8px;
  border-radius: 9999px;
}
.cmd-q-audio-player {
  width: 100%;
  height: 38px;
  border-radius: 8px;
  outline: none;
}

/* 閱讀篇章與 Exhibit */
.cmd-reading-passage-box,
.cmd-exhibit-box {
  margin: 14px 0 18px 0;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: 0 2px 8px rgba(15,23,42,0.04);
}
.cmd-passage-header,
.cmd-exhibit-header {
  font-size: 13px;
  font-weight: 800;
  color: #0f172a;
  padding-bottom: 8px;
  margin-bottom: 10px;
  border-bottom: 1px solid #f1f5f9;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cmd-passage-content,
.cmd-exhibit-content {
  font-size: 14px;
  line-height: 1.75;
  color: #334155;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 8px;
}

/* Markdown 樣式細化 */
.cmd-md-h3 { font-size: 15.5px; font-weight: 800; margin: 12px 0 8px 0; color: #0f172a; }
.cmd-md-h4 { font-size: 14px; font-weight: 700; margin: 10px 0 6px 0; color: #0f172a; }
.cmd-md-quote {
  border-left: 3.5px solid #0284c7;
  padding: 6px 12px;
  margin: 8px 0;
  background: #f0f9ff;
  border-radius: 4px;
  color: #0369a1;
  font-size: 13px;
}
.cmd-md-code {
  background: #f1f5f9;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 12.5px;
  color: #0f172a;
}
.cmd-drill-stem-text {
  font-size: 15px;
  line-height: 1.7;
  color: #1e293b;
}

/* ==========================================================================
   深度統計洞察卡片 (Analytics Card - FLPT Porting)
   ========================================================================== */
.cmd-analytics-card {
  background: var(--cmd-bg-surface, #ffffff);
  border: 1px solid var(--cmd-border-subtle, #e2e8f0);
  border-radius: var(--cmd-radius-lg, 16px);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--cmd-shadow-sm, 0 1px 3px rgba(15,23,42,0.06));
}

.cmd-analytics-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--cmd-border-subtle, #f1f5f9);
}

.cmd-analytics-title-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cmd-analytics-subtitle {
  font-size: 13px;
  color: var(--cmd-text-light, #64748b);
}

.cmd-analytics-badges {
  display: flex;
  gap: 8px;
  align-items: center;
}

.cmd-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.cmd-pill-trend {
  background: #ecfdf5;
  color: #059669;
  border: 1px solid #a7f3d0;
}

.cmd-pill-heat {
  background: #fffbeb;
  color: #d97706;
  border: 1px solid #fde68a;
}

.cmd-analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 900px) {
  .cmd-analytics-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.cmd-analytics-col {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
}

.cmd-sub-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.cmd-col-title {
  font-size: 13.5px;
  font-weight: 700;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cmd-col-hint {
  font-size: 11.5px;
  font-weight: 600;
  color: #64748b;
  background: #ffffff;
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
}

.cmd-analytics-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 36px 16px;
  color: #94a3b8;
  font-size: 13px;
  text-align: center;
}

/* 走勢長條圖 (Trend Bars) */
.cmd-trend-chart-wrap {
  position: relative;
  height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: 20px;
}

.cmd-trend-baseline {
  position: absolute;
  top: 30%; /* 70% 及格線高度 (從頂部下數 30%) */
  left: 0;
  right: 0;
  height: 1px;
  border-top: 1px dashed #cbd5e1;
  z-index: 1;
  pointer-events: none;
}

.cmd-baseline-label {
  position: absolute;
  right: 0;
  top: -16px;
  font-size: 10.5px;
  font-weight: 700;
  color: #059669;
  background: #ecfdf5;
  padding: 1px 6px;
  border-radius: 4px;
}

.cmd-trend-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
  height: 100%;
  position: relative;
  z-index: 2;
}

.cmd-trend-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  cursor: pointer;
}

.cmd-trend-bar-track {
  width: 100%;
  max-width: 28px;
  height: 100%;
  display: flex;
  align-items: flex-end;
  background: rgba(226, 232, 240, 0.4);
  border-radius: 6px;
  overflow: visible;
  position: relative;
}

.cmd-trend-bar-fill {
  width: 100%;
  border-radius: 6px;
  transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  display: flex;
  justify-content: center;
}

.cmd-trend-bar-tip {
  position: absolute;
  top: -20px;
  font-size: 10px;
  font-weight: 800;
  color: #0f172a;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
  white-space: nowrap;
}

.cmd-trend-col:hover .cmd-trend-bar-tip {
  opacity: 1;
}

.cmd-trend-bar-lbl {
  font-size: 11px;
  font-weight: 600;
  color: #64748b;
  margin-top: 8px;
  white-space: nowrap;
}

/* 35 天刷題活躍度熱力矩陣 (GitHub Style Matrix) */
.cmd-heatmap-matrix-wrap {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cmd-heatmap-matrix {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.cmd-heat-box {
  aspect-ratio: 1;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  border: 1px solid transparent;
}

.cmd-heat-box:hover {
  transform: scale(1.12);
  z-index: 5;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}

.cmd-heat-box.is-today {
  border-color: #0284c7;
  box-shadow: 0 0 0 1.5px #0284c7;
}

.cmd-heat-date-num {
  font-size: 10px;
  font-weight: 700;
  color: #64748b;
  opacity: 0.6;
}

.cmd-heat-box:hover .cmd-heat-date-num {
  opacity: 1;
}

/* 熱力等級 (Light Mode 藍綠階層) */
.cmd-heat-lvl-0 { background: #ffffff; border-color: #e2e8f0; }
.cmd-heat-lvl-1 { background: #e0f2fe; border-color: #bae6fd; }
.cmd-heat-lvl-1 .cmd-heat-date-num { color: #0284c7; opacity: 0.9; }

.cmd-heat-lvl-2 { background: #7dd3fc; border-color: #38bdf8; }
.cmd-heat-lvl-2 .cmd-heat-date-num { color: #0369a1; opacity: 1; }

.cmd-heat-lvl-3 { background: #0284c7; border-color: #0369a1; }
.cmd-heat-lvl-3 .cmd-heat-date-num { color: #ffffff; opacity: 1; }

.cmd-heat-lvl-4 { background: #075985; border-color: #0c4a6e; }
.cmd-heat-lvl-4 .cmd-heat-date-num { color: #ffffff; opacity: 1; }

.cmd-heatmap-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 4px;
}

.cmd-heatmap-legend .cmd-heat-box {
  width: 14px;
  height: 14px;
  cursor: default;
}

.cmd-legend-text {
  font-size: 11px;
  color: #64748b;
  font-weight: 500;
}

.cmd-pill-streak {
  background: #fff7ed;
  color: #ea580c;
  border: 1px solid #ffedd5;
}

/* ==========================================================================
   成績分佈 (Score Distribution)
   ========================================================================== */
.cmd-score-dist-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 6px 0;
}

.cmd-score-dist-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cmd-dist-label {
  font-size: 12px;
  font-weight: 700;
  color: #475569;
  width: 58px;
  flex-shrink: 0;
  text-align: right;
}

.cmd-dist-track {
  flex: 1;
  height: 12px;
  background: #e2e8f0;
  border-radius: 9999px;
  overflow: hidden;
}

.cmd-dist-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.4s ease;
}

.cmd-dist-count {
  font-size: 12px;
  font-weight: 700;
  color: #0f172a;
  width: 42px;
  flex-shrink: 0;
}

/* ==========================================================================
   Top 5 頑固弱點題目 (Top Weak Questions)
   ========================================================================== */
.cmd-top-weak-wrap {
  display: flex;
  flex-direction: column;
}

.cmd-weak-item-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cmd-weak-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cmd-weak-item:hover {
  border-color: #cbd5e1;
  background: #f1f5f9;
  transform: translateX(2px);
}

.cmd-weak-rank-badge {
  font-size: 11px;
  font-weight: 800;
  background: #fee2e2;
  color: #ef4444;
  padding: 2px 7px;
  border-radius: 6px;
  flex-shrink: 0;
}

.cmd-weak-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.cmd-weak-title {
  font-size: 13px;
  font-weight: 700;
  color: #0f172a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cmd-weak-meta {
  font-size: 11px;
  color: #64748b;
}

.cmd-weak-acc-tag {
  font-size: 11.5px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  flex-shrink: 0;
}

.cmd-weak-acc-tag.warn {
  background: #fef3c7;
  color: #d97706;
}

.cmd-weak-acc-tag.fail {
  background: #fee2e2;
  color: #dc2626;
}

.cmd-btn-drill-single {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 700;
  color: #0284c7;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.cmd-btn-drill-single:hover {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
}

/* ==========================================================================
   認知科學：後設認知信心標記 (CBM Selector & Diagnostic Insights)
   ========================================================================== */
.cmd-cbm-selector-wrap {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 12px 14px;
}

.cmd-cbm-label {
  font-size: 12.5px;
  font-weight: 700;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}

.cmd-cbm-options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cmd-cbm-btn {
  flex: 1;
  min-width: 140px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12.5px;
  font-weight: 700;
  color: #475569;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.cmd-cbm-btn:hover {
  border-color: #0284c7;
  color: #0284c7;
  background: #f0f9ff;
}

.cmd-cbm-btn.active {
  background: #f0fdf4;
  border-color: #059669;
  color: #059669;
  box-shadow: 0 0 0 1.5px #059669;
}

.cmd-cbm-btn[data-conf="unsure"].active {
  background: #fffbeb;
  border-color: #d97706;
  color: #d97706;
  box-shadow: 0 0 0 1.5px #d97706;
}

.cmd-cbm-insight {
  margin: 10px 0;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 12.5px;
  line-height: 1.6;
}

.cmd-insight-mastered {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.cmd-insight-blindspot {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.cmd-insight-intuition {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}

.cmd-insight-expected {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #475569;
}

/* 後設認知 4 象限分析 (Metacognition Calibration Grid) */
.cmd-metacognition-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.cmd-meta-quadrant {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cmd-meta-quadrant.quad-mastered { border-left: 4px solid #059669; }
.cmd-meta-quadrant.quad-blindspot { border-left: 4px solid #ef4444; }
.cmd-meta-quadrant.quad-intuition { border-left: 4px solid #f59e0b; }
.cmd-meta-quadrant.quad-expected { border-left: 4px solid #64748b; }

.cmd-quad-title {
  font-size: 12px;
  font-weight: 700;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cmd-quad-count {
  font-size: 16px;
  font-weight: 800;
  font-family: 'IBM Plex Mono', monospace;
  margin: 2px 0;
}

.cmd-quad-desc {
  font-size: 11px;
  color: #64748b;
}

/* 智能交錯練習推薦卡片 (Interleaving Practice Card) */
.cmd-interleaving-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 4px 0;
}

.cmd-interleaving-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #e0f2fe;
  color: #0284c7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.cmd-interleaving-content {
  flex: 1;
}

.cmd-interleaving-title {
  font-size: 14px;
  font-weight: 800;
  color: #0f172a;
  margin: 0 0 6px 0;
}

.cmd-interleaving-desc {
  font-size: 12.5px;
  line-height: 1.6;
  color: #475569;
  margin: 0 0 12px 0;
}

.cmd-interleaving-action {
  display: flex;
}