/* Learning center + embedded vocab/wrong/analytics (P4 #21) */
/* ================================================================
   LEARNING CENTER PAGE
   ================================================================ */
#homePanelData {
  padding: 0;
  max-width: none;
  min-height: unset;
  overflow: hidden;
}
#homePanelData .lcx-shell {
  flex: 1;
  min-height: 0;
  height: 100%;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--bd);
  background: var(--card);
}
body.dark-mode #homePanelData .lcx-shell { border-color: var(--bd); }

.lcx-shell {
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100%;
}
.lcx-banner-user {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  min-width: 0;
}
.lcx-banner-text {
  text-align: right;
}
.lcx-banner .lcx-user-name { font-weight: 600; font-size: 0.92rem; color: #fff; line-height: 1.25; }
.lcx-banner .lcx-user-id { font-size: 0.72rem; color: rgba(255,255,255,0.78); margin-top: 2px; line-height: 1.2; }

.lcx-workspace {
  flex: 1;
  min-height: 0;
  display: flex;
  overflow: hidden;
}
.lcx-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid var(--bd);
  display: flex;
  flex-direction: column;
  padding: 12px 0;
}
body.dark-mode .lcx-sidebar { background: #152230; }

.lcx-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #fff; font-weight: 700; font-size: 0.78rem;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.2);
}
.lcx-user-name { font-weight: 600; font-size: 0.92rem; color: var(--tx); }
.lcx-user-id { font-size: 0.72rem; color: var(--tx-3); margin-top: 2px; }

.lcx-back-home {
  margin: 0 12px 12px;
  padding: 8px 12px;
  border: 1px solid var(--bd);
  border-radius: 8px;
  background: var(--surface);
  color: var(--tx-2);
  font-size: 0.82rem;
  cursor: pointer;
  text-align: left;
}
.lcx-back-home:hover { border-color: var(--v-teal); color: var(--v-teal); }

.lcx-nav { flex: 1; overflow-y: auto; padding: 0 8px; }
.lcx-nav-group { margin-bottom: 16px; }
.lcx-nav-title {
  font-size: 0.72rem; color: var(--tx-3); font-weight: 600;
  padding: 4px 10px 6px; text-transform: uppercase; letter-spacing: 0.04em;
}
.lcx-nav-item {
  display: block; width: 100%; text-align: left;
  padding: 9px 12px; border: none; border-radius: 8px;
  background: none; color: var(--tx-2); font-size: 0.88rem;
  cursor: pointer; font-family: var(--f-body);
}
.lcx-nav-item:hover { background: rgba(40,120,106,0.08); color: var(--tx); }
.lcx-nav-item.active {
  background: #f3695d; color: #fff; font-weight: 600;
}
.lcx-sidebar-foot { padding: 12px 16px; border-top: 1px solid var(--bd); }

.lcx-main { flex: 1; min-width: 0; min-height: 0; display: flex; flex-direction: column; overflow: hidden; background: var(--bg); }

.lcx-body {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  padding: 12px 16px 16px;
  display: flex;
  flex-direction: column;
}
.lcx-body > .lcx-view:not([hidden]) {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
#lcxViewAnalysis:not([hidden]) {
  overflow: hidden;
}
.lcx-body-inner.lcx-body-analysis {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 14px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  align-items: stretch;
}
.lcx-center {
  min-height: 0;
  overflow-y: auto;
}
.lcx-aside {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  overflow-y: auto;
}
.lcx-view[hidden] { display: none !important; }
.lcx-view-card {
  background: #fff;
  border: 1px solid var(--bd);
  border-radius: 12px;
  padding: 20px 22px;
  max-width: 960px;
}
body.dark-mode .lcx-view-card { background: #152230; }
.lcx-view-title {
  margin: 0 0 16px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--tx);
}
.lcx-view-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.lcx-view-hd .lcx-view-title { margin-bottom: 0; }
.lcx-wa-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  padding: 0;
  border: none;
}
.lcx-wa-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  padding: 0;
  border: none;
  max-width: none;
}
.lcx-wa-list-wrap {
  max-width: none;
  padding: 0;
  max-height: min(62vh, 640px);
  overflow-y: auto;
}
.lcx-voc-stats {
  margin-bottom: 16px;
  padding: 0;
  border: none;
  max-width: none;
}
.lcx-voc-tabs { margin: 0; }
#lcxViewVocab .voc-view {
  display: none;
  max-width: none;
  margin: 0;
  padding: 0;
}
#lcxViewVocab .voc-view.active { display: block; }
.lcx-voc-list {
  max-height: min(50vh, 520px);
  overflow-y: auto;
}
#lcxViewVocab .voc-search-bar { padding: 0 0 12px; }
#lcxViewVocab .voc-review-wrap { padding: 8px 0 0; }

.lcx-an-panel { max-width: 1000px; }
.lcx-an-content {
  padding: 0;
  max-width: none;
  margin: 0;
}
#lcxViewCharts .an-chart-card canvas {
  display: block;
  min-height: 240px;
}

.lcx-card {
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--bd);
  padding: 16px 18px;
}
body.dark-mode .lcx-card { background: #152230; }

.lcx-card-hd {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 12px;
}
.lcx-title {
  margin: 0; font-size: 1.15rem; font-weight: 700; color: var(--tx);
}
.lcx-skill-tabs { display: flex; gap: 4px; }
.lcx-skill-tab {
  padding: 8px 16px; border: none; background: none;
  font-size: 0.9rem; color: var(--tx-3); cursor: pointer;
  border-bottom: 2px solid transparent; font-family: var(--f-body);
}
.lcx-skill-tab.active {
  color: #f3695d; border-bottom-color: #f3695d; font-weight: 600;
}

.lcx-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; margin-bottom: 12px;
}
.lcx-subtabs { display: flex; gap: 8px; }
.lcx-subtab {
  padding: 6px 14px; border-radius: 20px; border: 1px solid var(--bd);
  background: var(--surface); font-size: 0.82rem; color: var(--tx-2); cursor: pointer;
}
.lcx-subtab.active {
  background: rgba(243,105,93,0.12); border-color: #f3695d; color: #f3695d;
}
.lcx-subtab:disabled { opacity: 0.45; cursor: not-allowed; }

.lcx-week-nav { display: flex; align-items: center; gap: 8px; }
.lcx-week-btn {
  width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--bd);
  background: #fff; cursor: pointer; color: var(--tx-2);
}
.lcx-week-label { font-size: 0.88rem; color: var(--tx); min-width: 110px; text-align: center; }

.lcx-loading, .lcx-error { font-size: 0.88rem; color: var(--tx-3); padding: 8px 0; }
.lcx-block { margin-top: 16px; }
.lcx-block-title { font-size: 0.95rem; font-weight: 700; margin: 0 0 6px; color: var(--tx); }
.lcx-block-note { font-size: 0.72rem; color: var(--tx-3); margin: 0 0 10px; }

.lcx-table-wrap { overflow-x: auto; }
.lcx-table {
  width: 100%; border-collapse: collapse; font-size: 0.86rem;
}
.lcx-table th, .lcx-table td {
  padding: 10px 12px; border-bottom: 1px solid var(--bd); text-align: center;
}
.lcx-table th { color: var(--tx-3); font-weight: 500; background: rgba(0,0,0,0.02); }
.lcx-table td.lcx-part-name { text-align: left; font-weight: 500; color: var(--tx); }
.lcx-empty-cell { color: var(--tx-3); padding: 20px !important; }

.lcx-link-btn {
  margin-top: 10px; background: none; border: none; color: #2563eb;
  font-size: 0.82rem; cursor: pointer; padding: 0;
}
.lcx-link-btn:hover { text-decoration: underline; }

.lcx-chart-wrap { margin-top: 8px; }
.lcx-chart-wrap canvas { width: 100%; height: min(160px, 20vh); display: block; }
.lcx-legend {
  display: flex; flex-wrap: wrap; gap: 14px; margin-top: 10px;
  font-size: 0.78rem; color: var(--tx-3);
}
.lcx-legend-item { display: inline-flex; align-items: center; gap: 6px; }
.lcx-legend-item i {
  display: inline-block; width: 10px; height: 10px; border-radius: 50%;
}

.lcx-ai-card, .lcx-goal-card {
  background: #fff; border: 1px solid var(--bd); border-radius: 12px; padding: 16px;
}
body.dark-mode .lcx-ai-card, body.dark-mode .lcx-goal-card { background: #152230; }

.lcx-ai-hd { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; }
.lcx-ai-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, #28786a, #1e4d3a);
  color: #fff; font-weight: 700; font-size: 0.82rem;
  display: flex; align-items: center; justify-content: center;
}
.lcx-ai-name { font-weight: 600; font-size: 0.9rem; }
.lcx-ai-sub { font-size: 0.72rem; color: var(--tx-3); margin-top: 2px; }

.lcx-ai-chat { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.lcx-bubble {
  padding: 10px 12px; border-radius: 10px; font-size: 0.82rem; line-height: 1.5;
}
.lcx-bubble-user {
  align-self: flex-end; background: rgba(37,99,235,0.1); color: var(--tx);
  max-width: 92%;
}
.lcx-bubble-ai {
  background: var(--surface); border: 1px solid var(--bd); color: var(--tx-2);
}
.lcx-ai-btn {
  width: 100%; padding: 8px; border: 1px solid var(--bd); border-radius: 8px;
  background: var(--surface); font-size: 0.82rem; cursor: pointer; color: var(--tx-2);
}
.lcx-ai-btn:hover { border-color: var(--v-teal); color: var(--v-teal); }

.lcx-goal-hd {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; font-size: 0.88rem; font-weight: 600; margin-bottom: 8px;
}
.lcx-goal-range {
  font-size: 0.72rem; padding: 4px 6px; border: 1px solid var(--bd);
  border-radius: 6px; background: var(--surface); color: var(--tx-2);
}
.lcx-gauge-wrap { text-align: center; }
.lcx-gauge-wrap canvas { width: 100%; max-width: 240px; height: 140px; margin: 0 auto; display: block; }
.lcx-gauge-label { font-size: 0.82rem; color: var(--tx-2); margin-top: 4px; }
.lcx-target-link {
  display: block; width: 100%; margin-top: 8px; background: none; border: none;
  color: #2563eb; font-size: 0.82rem; cursor: pointer; text-align: center;
}

.lcx-review-btn {
  width: 100%; padding: 14px; border: none; border-radius: 10px;
  background: #f3695d; color: #fff; font-size: 0.95rem; font-weight: 600;
  cursor: pointer; font-family: var(--f-body);
}
.lcx-review-btn:hover { filter: brightness(1.05); }

/* ================================================================
   VOCABULARY PAGE
   ================================================================ */

/* Star button in word-hover tooltip */
.hw-tt-star {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 6px;
  transition: all 0.2s;
  line-height: 1;
  color: var(--tx-3);
}
.hw-tt-star:hover { color: #e6a817; transform: scale(1.2); }
.hw-tt-star.hw-tt-starred { color: #e6a817; cursor: default; }

/* Header */
.voc-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--bd);
}
.voc-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 900px;
  margin: 0 auto;
  padding: 14px 24px;
}
.voc-back-btn {
  background: none;
  border: none;
  font-size: 0.9rem;
  color: var(--tx-2);
  cursor: pointer;
  font-family: var(--f-body);
}
.voc-back-btn:hover { color: var(--v-teal); }
.voc-header-title {
  font-family: var(--f-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--tx);
  margin: 0;
}
.voc-header-right { display: flex; align-items: center; gap: 8px; }

/* Tabs */
.voc-tabs {
  display: flex;
  justify-content: center;
  gap: 4px;
  padding: 0 24px 12px;
  max-width: 900px;
  margin: 0 auto;
}
.voc-tab {
  background: none;
  border: none;
  font-family: var(--f-body);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--tx-3);
  padding: 6px 20px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.voc-tab:hover { color: var(--tx); background: var(--v-teal-lt); }
.voc-tab.active { color: #fff; background: var(--v-teal); }

/* Stats */
.voc-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  padding: 20px 24px;
  max-width: 900px;
  margin: 0 auto;
}
.voc-stat { text-align: center; }
.voc-stat-num {
  display: block;
  font-family: var(--f-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--v-teal);
}
.voc-stat-label {
  font-size: 0.78rem;
  color: var(--tx-3);
  margin-top: 2px;
}

/* Views toggle */
.voc-view { display: none; max-width: 900px; margin: 0 auto; padding: 0 24px 40px; }
.voc-view.active { display: block; }

/* Search */
.voc-search-bar { margin-bottom: 16px; }
.voc-search {
  width: 100%;
  padding: 10px 16px;
  border: 1px solid var(--bd);
  border-radius: 10px;
  font-family: var(--f-body);
  font-size: 0.9rem;
  background: var(--card);
  color: var(--tx);
  outline: none;
  transition: border 0.2s;
  box-sizing: border-box;
}
.voc-search:focus { border-color: var(--v-teal); }

/* Word List */
.voc-list { display: flex; flex-direction: column; gap: 8px; }
.voc-empty {
  text-align: center;
  color: var(--tx-3);
  padding: 48px 0;
  font-size: 0.92rem;
}
.voc-item {
  background: var(--card);
  border: 1px solid var(--bd);
  border-radius: 12px;
  padding: 14px 18px;
  transition: box-shadow 0.2s;
}
.voc-item:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.voc-item-main { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
.voc-item-word { font-family: var(--f-display); font-size: 1.1rem; font-weight: 700; color: var(--tx); }
.voc-item-phonetic { font-family: var(--f-mono); font-size: 0.82rem; color: var(--tx-3); }
.voc-item-pos { font-size: 0.78rem; color: var(--v-teal); font-style: italic; }
.voc-item-def { font-size: 0.88rem; color: var(--tx-2); line-height: 1.5; }
.voc-item-def-en { font-size: 0.82rem; color: var(--tx-3); margin-top: 2px; line-height: 1.4; }
.voc-item-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--tx-3);
}
.voc-item-ctx {
  background: var(--v-teal-lt);
  color: var(--v-teal);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.72rem;
}
.voc-item-date { margin-left: auto; }
.voc-item-del {
  background: none;
  border: none;
  color: var(--tx-3);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all 0.15s;
}
.voc-item-del:hover { color: var(--v-error); background: rgba(192,57,43,0.08); }

/* Flashcard */
.voc-review-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
}
.voc-card-container {
  perspective: 800px;
  width: 100%;
  max-width: 420px;
  height: 280px;
  margin-bottom: 24px;
}
.voc-card {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.5s;
  cursor: pointer;
}
.voc-card.voc-card-flipped { transform: rotateY(180deg); }
.voc-card-front, .voc-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 16px;
  border: 1px solid var(--bd);
  background: var(--card);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.voc-card-back { transform: rotateY(180deg); }
.voc-card-word {
  font-family: var(--f-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--tx);
  margin-bottom: 8px;
}
.voc-card-phonetic {
  font-family: var(--f-mono);
  font-size: 0.95rem;
  color: var(--tx-3);
}
.voc-card-hint {
  margin-top: 24px;
  font-size: 0.78rem;
  color: var(--tx-3);
  opacity: 0.5;
}
.voc-card-pos {
  font-size: 0.85rem;
  color: var(--v-teal);
  font-style: italic;
  margin-bottom: 10px;
}
.voc-card-def {
  font-size: 1rem;
  color: var(--tx);
  text-align: center;
  line-height: 1.6;
  margin-bottom: 6px;
}
.voc-card-def-en {
  font-size: 0.85rem;
  color: var(--tx-3);
  text-align: center;
  line-height: 1.5;
}
.voc-card-ctx {
  margin-top: 12px;
  font-size: 0.75rem;
  color: var(--tx-3);
  opacity: 0.6;
}

/* Review Buttons */
.voc-review-btns {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.voc-rbtn {
  border: none;
  padding: 10px 22px;
  border-radius: 10px;
  font-family: var(--f-body);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: #fff;
}
.voc-rbtn-fail { background: #e74c3c; }
.voc-rbtn-fail:hover { background: #c0392b; }
.voc-rbtn-hard { background: #e67e22; }
.voc-rbtn-hard:hover { background: #d35400; }
.voc-rbtn-good { background: var(--v-teal); }
.voc-rbtn-good:hover { background: #1f6357; }
.voc-rbtn-easy { background: #2563eb; }
.voc-rbtn-easy:hover { background: #1d4ed8; }

.voc-review-progress {
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--tx-3);
}

.voc-review-empty {
  text-align: center;
  padding: 60px 0;
}
.voc-review-empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--v-teal-lt);
  color: var(--v-teal);
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.voc-review-empty-text {
  font-family: var(--f-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--tx);
  margin-bottom: 6px;
}
.voc-review-empty-sub {
  font-size: 0.85rem;
  color: var(--tx-3);
}

/* Vocab CTA on home */
.hp-vocab-cta .hp-speak-cta-icon { background: linear-gradient(135deg, #e6a817 0%, #d97706 100%); }

/* Responsive */
@media (max-width: 600px) {
  .voc-header-inner { padding: 12px 16px; }
  .voc-stats { gap: 20px; padding: 16px; }
  .voc-stat-num { font-size: 1.4rem; }
  .voc-view { padding: 0 16px 32px; }
  .voc-card-container { height: 240px; }
  .voc-card-word { font-size: 1.6rem; }
  .voc-review-btns { gap: 6px; }
  .voc-rbtn { padding: 8px 16px; font-size: 0.82rem; }
}
/* ================================================================
   WRONG ANSWERS PAGE
   ================================================================ */
.wa-header {
  position: sticky; top: 0; z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--bd);
}
.wa-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 900px; margin: 0 auto; padding: 14px 24px;
}
.wa-back-btn {
  background: none; border: none; font-size: 0.9rem;
  color: var(--tx-2); cursor: pointer; font-family: var(--f-body);
}
.wa-back-btn:hover { color: var(--v-teal); }
.wa-header-title {
  font-family: var(--f-display); font-size: 1.2rem; font-weight: 700; color: var(--tx); margin: 0;
}
.wa-header-right { display: flex; align-items: center; gap: 8px; }

.wa-filters {
  display: flex; justify-content: center; gap: 6px;
  padding: 0 24px 12px; max-width: 900px; margin: 0 auto; flex-wrap: wrap;
}
.wa-filter {
  background: none; border: 1px solid var(--bd); font-family: var(--f-body);
  font-size: 0.82rem; color: var(--tx-3); padding: 5px 14px;
  border-radius: 16px; cursor: pointer; transition: all 0.2s;
}
.wa-filter:hover { color: var(--tx); border-color: var(--v-teal); }
.wa-filter.active { color: #fff; background: var(--v-teal); border-color: var(--v-teal); }

.wa-stats {
  display: flex; justify-content: center; gap: 32px;
  padding: 20px 24px; max-width: 900px; margin: 0 auto;
}
.wa-stat { text-align: center; }
.wa-stat-num {
  display: block; font-family: var(--f-display);
  font-size: 1.8rem; font-weight: 700; color: var(--v-error);
}
.wa-stat-label { font-size: 0.78rem; color: var(--tx-3); margin-top: 2px; }

.wa-list-wrap { max-width: 900px; margin: 0 auto; padding: 0 24px 40px; }
.wa-list { display: flex; flex-direction: column; gap: 16px; }
.wa-empty { text-align: center; color: var(--tx-3); padding: 48px 0; font-size: 0.92rem; }

.wa-group-hd {
  font-family: var(--f-display); font-size: 1.05rem; font-weight: 700;
  color: var(--tx); margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--bd);
}
.wa-group-count { font-size: 0.82rem; font-weight: 400; color: var(--tx-3); margin-left: 8px; }
.wa-group { margin-bottom: 16px; }

.wa-item {
  background: var(--card); border: 1px solid var(--bd); border-radius: 10px;
  padding: 0; margin-bottom: 8px; transition: box-shadow 0.2s; overflow: hidden;
}
.wa-item:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.05); }
.wa-item-mastered { opacity: 0.6; }

.wa-flash {
  margin: 0 0 12px; padding: 10px 14px; border-radius: 8px;
  background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c;
  font-size: 0.84rem; line-height: 1.5;
}
body.dark-mode .wa-flash { background: #3f1d1d; border-color: #7f1d1d; color: #fecaca; }

.wa-item-main.is-loading { opacity: 0.65; pointer-events: none; }
.wa-item-main {
  display: block; width: 100%; text-align: left;
  background: none; border: none; padding: 12px 16px 8px;
  cursor: pointer; font: inherit; color: inherit;
}
.wa-item-main:hover { background: var(--bg-2); }
.wa-item-go {
  display: inline-block; margin-top: 8px;
  font-size: 0.8rem; font-weight: 600; color: var(--v-teal);
}

.wa-item-top { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.wa-item-badge {
  font-size: 0.72rem; font-weight: 600; padding: 2px 10px;
  border-radius: 10px; color: #fff;
}
.wa-badge-listening { background: var(--c-listen); }
.wa-badge-reading { background: var(--c-read); }
.wa-item-qnum { font-family: var(--f-mono); font-size: 0.82rem; color: var(--tx-2); }
.wa-item-type { font-size: 0.75rem; color: var(--tx-3); }
.wa-item-mastered-tag { font-size: 0.75rem; color: var(--c-read); margin-left: auto; }

.wa-item-q { font-size: 0.88rem; color: var(--tx); line-height: 1.5; margin-bottom: 8px; }
.wa-item-answers { display: flex; gap: 16px; font-size: 0.82rem; flex-wrap: wrap; }
.wa-item-wrong { color: var(--v-error); }
.wa-item-correct { color: var(--c-read); font-weight: 600; }

.wa-master-btn {
  margin-top: 8px; background: none; border: 1px solid var(--c-read);
  color: var(--c-read); font-family: var(--f-body); font-size: 0.78rem;
  padding: 4px 14px; border-radius: 8px; cursor: pointer; transition: all 0.2s;
}
.wa-master-btn:hover { background: var(--c-read); color: #fff; }

.wa-group-title { font-weight: 600; }
.wa-group-id {
  font-size: 0.78rem; color: var(--tx-3); font-family: var(--f-mono); margin-left: 8px;
}
.wa-item-actions {
  display: flex; gap: 8px; flex-wrap: wrap; margin-top: 0; padding: 0 16px 12px; align-items: center;
}
.wa-action-btn {
  padding: 5px 12px; border-radius: 6px; font-size: 0.8rem; cursor: pointer;
  border: 1px solid var(--bd); background: var(--bg-2); color: var(--tx-2);
}
.wa-action-btn:hover { border-color: var(--v-teal); color: var(--v-teal); }
.wa-action-review { border-color: var(--v-teal); color: var(--v-teal); }
.wa-action-review:hover { background: var(--v-teal); color: #fff; }
.wa-error { color: var(--v-error); }
.wa-retry-btn {
  margin-top: 12px; padding: 6px 16px; border-radius: 6px; border: 1px solid var(--bd);
  background: var(--bg-2); cursor: pointer; font-size: 0.85rem;
}
.wa-retry-btn:hover { border-color: var(--v-teal); color: var(--v-teal); }

.hp-wrong-cta .hp-speak-cta-icon { background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%); }

@media (max-width: 600px) {
  .wa-header-inner { padding: 12px 16px; }
  .wa-stats { gap: 20px; padding: 16px; }
  .wa-list-wrap { padding: 0 16px 32px; }
  .wa-filters { gap: 4px; padding: 0 16px 10px; }
  .wa-filter { padding: 4px 10px; font-size: 0.78rem; }
}
/* ================================================================
   ANALYTICS PAGE
   ================================================================ */
.an-header {
  position: sticky; top: 0; z-index: 20;
  background: var(--surface); border-bottom: 1px solid var(--bd);
}
.an-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 960px; margin: 0 auto; padding: 14px 24px;
}
.an-back-btn {
  background: none; border: none; font-size: 0.9rem;
  color: var(--tx-2); cursor: pointer; font-family: var(--f-body);
}
.an-back-btn:hover { color: var(--v-teal); }
.an-header-title {
  font-family: var(--f-display); font-size: 1.2rem; font-weight: 700; color: var(--tx); margin: 0;
}
.an-header-right { display: flex; align-items: center; gap: 8px; }

.an-content { max-width: 960px; margin: 0 auto; padding: 20px 24px 40px; }

.an-sum-row {
  display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin-bottom: 24px;
}
.an-sum-item {
  text-align: center; background: var(--card); border: 1px solid var(--bd);
  border-radius: 12px; padding: 14px 20px; min-width: 100px;
}
.an-sum-num {
  display: block; font-family: var(--f-display);
  font-size: 1.5rem; font-weight: 700; color: var(--v-teal);
}
.an-sum-lbl { font-size: 0.78rem; color: var(--tx-3); }
.an-sum-best .an-sum-num { color: var(--c-read); }
.an-sum-worst .an-sum-num { color: var(--v-error); }

.an-charts { display: flex; gap: 20px; flex-wrap: wrap; }
.an-chart-card {
  flex: 1; min-width: 300px; background: var(--card);
  border: 1px solid var(--bd); border-radius: 14px; padding: 18px;
}
.an-chart-small { flex: 0 0 auto; max-width: 380px; }
.an-chart-title {
  font-family: var(--f-display); font-size: 1rem; font-weight: 700;
  color: var(--tx); margin-bottom: 12px;
}
.an-chart-card canvas { width: 100%; height: auto; }

.an-empty { text-align: center; color: var(--tx-3); padding: 60px 0; font-size: 0.92rem; }
.an-error { color: var(--v-error); }
.an-loading { text-align: center; color: var(--tx-3); padding: 40px 0; }

.an-wrong-card {
  margin-bottom: 20px; padding: 16px 20px; border-radius: 12px;
  background: var(--bg-2); border: 1px solid var(--bd);
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.an-wrong-stats { display: flex; gap: 20px; flex-wrap: wrap; }
.an-wrong-stat { text-align: center; }
.an-wrong-stat-num { font-family: var(--f-mono); font-size: 1.4rem; font-weight: 700; color: var(--v-teal); }
.an-wrong-stat-lbl { font-size: 0.78rem; color: var(--tx-3); }
.an-wrong-link {
  padding: 8px 16px; border-radius: 8px; border: 1px solid var(--v-teal);
  background: transparent; color: var(--v-teal); font-size: 0.85rem; cursor: pointer;
}
.an-wrong-link:hover { background: var(--v-teal); color: #fff; }

.hp-cta-row { display: flex; gap: 16px; }
.hp-cta-half { flex: 1; min-width: 0; }
.hp-analytics-cta .hp-speak-cta-icon { background: linear-gradient(135deg, #2563eb 0%, #059669 100%); }

@media (max-width: 700px) {
  .an-charts { flex-direction: column; }
  .an-chart-small { max-width: 100%; }
  .an-content { padding: 16px; }
  .hp-cta-row { flex-direction: column; }
}