/* ──────────────────────────────────────────────
   App Store Insight Finder — Claude / Anthropic
   Warm cream canvas + coral accent + serif display
   ────────────────────────────────────────────── */

:root {
  /* Surface */
  --bg: #faf9f5;
  --bg-raised: #f5f0e8;
  --bg-card: #efe9de;
  --bg-card-hover: #e8e0d2;
  --bg-overlay: #e6dfd8;

  /* Text */
  --text: #141413;
  --text-secondary: #6c6a64;
  --text-tertiary: #8e8b82;

  /* Accent: Anthropic coral */
  --accent: #cc785c;
  --accent-active: #a9583e;
  --accent-muted: #e6dfd8;

  /* Semantic */
  --success: #5db872;
  --success-bg: #eef6f0;
  --warning: #e8a55a;
  --warning-bg: #fdf5ec;
  --danger: #c64545;
  --danger-bg: #faf0f0;
  --info: #5b8fb9;

  /* Borders */
  --border: #e6dfd8;
  --border-active: #d4cdc3;

  /* Geometry */
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(20,20,19,0.05);
  --shadow: 0 2px 8px rgba(20,20,19,0.06);
  --shadow-lg: 0 8px 24px rgba(20,20,19,0.08);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 180ms;

  /* Fonts */
  --font-display: 'Cormorant Garamond', 'Tiempos Headline', Garamond, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
}

/* ── Reset ─────────────────────────────────── */

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ────────────────────────────────── */

.app-header {
  position: relative;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 3.5rem 1.5rem 2.5rem;
  text-align: center;
}

.app-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.app-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 500px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

/* ── Search Bar ────────────────────────────── */

.search-bar {
  display: flex;
  gap: 0.5rem;
  max-width: 560px;
  margin: 0 auto;
}

.search-bar input {
  flex: 1;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--text);
  outline: none;
  transition: border-color var(--duration), box-shadow var(--duration);
}

.search-bar input::placeholder { color: var(--text-tertiary); }

.search-bar input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(204, 120, 92, 0.12);
}

.search-bar button {
  padding: 10px 20px;
  border-radius: var(--radius);
  border: none;
  font-size: 14px;
  font-family: var(--font-body);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  height: 40px;
}

.btn-search {
  background: var(--accent);
  color: #fff;
}

.btn-search:hover { background: var(--accent-active); }
.btn-search:active { transform: scale(0.97); }

.btn-inspire {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border) !important;
}

.btn-inspire:hover {
  color: var(--text);
  border-color: var(--border-active) !important;
  background: var(--bg-raised);
}

/* ── Main Content ──────────────────────────── */

.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* ── Progress ──────────────────────────────── */

.progress-bar {
  display: none;
  margin-bottom: 1.5rem;
  padding: 0.85rem 1.15rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.progress-bar.active { display: block; }

.progress-track {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.4s var(--ease-out);
}

.progress-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ── Section Title ─────────────────────────── */

.section-title {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: 0.75rem;
}

/* ── Tips ──────────────────────────────────── */

.chart-tips {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  line-height: 1.6;
  padding: 0.6rem 0.85rem;
  background: var(--bg-raised);
  border-radius: var(--radius-sm);
  margin-bottom: 0.85rem;
}

/* ── Category Grid ─────────────────────────── */

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 2.5rem;
}

.category-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 0.75rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
}

.category-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.category-card.scanned {
  border-color: var(--border-active);
}

.category-card .icon {
  font-size: 1.4rem;
  margin-bottom: 0.3rem;
}

.category-card .name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}

.category-card .score-badge {
  display: inline-block;
  margin-top: 0.4rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.score-high   { background: var(--success-bg); color: var(--success); }
.score-medium { background: var(--warning-bg); color: var(--warning); }
.score-low    { background: var(--danger-bg); color: var(--danger); }
.score-unknown { background: var(--bg-raised); color: var(--text-tertiary); }

/* ── Category Detail ───────────────────────── */

.category-detail {
  display: none;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  margin-bottom: 2rem;
  overflow: hidden;
  animation: slideUp 0.25s var(--ease-out);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.category-detail.active { display: block; }

.detail-header {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.detail-header h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.btn-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--text-secondary);
  line-height: 1;
  transition: all var(--duration);
}

.btn-close:hover {
  color: var(--text);
  border-color: var(--border-active);
}

.detail-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 1.5rem;
}

@media (max-width: 768px) {
  .detail-body { grid-template-columns: 1fr; }
}

/* ── Chart Container ───────────────────────── */

.chart-container {
  position: relative;
  height: 380px;
}

/* ── App List ──────────────────────────────── */

.app-list {
  max-height: 420px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-active) transparent;
}

.app-list::-webkit-scrollbar { width: 4px; }
.app-list::-webkit-scrollbar-track { background: transparent; }
.app-list::-webkit-scrollbar-thumb { background: var(--border-active); border-radius: 2px; }

.app-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.7rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--duration);
}

.app-item:hover { background: var(--bg-raised); }

.app-item .rank {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.rank-1     { background: var(--warning-bg); color: var(--warning); }
.rank-2     { background: var(--bg-raised); color: var(--text-secondary); }
.rank-3     { background: #fdf0e9; color: #d4804a; }
.rank-other { background: var(--bg-raised); color: var(--text-tertiary); }

.app-item .app-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  flex-shrink: 0;
  background: var(--bg-raised);
}

.app-item .app-info { flex: 1; min-width: 0; }

.app-item .app-name {
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-item .app-meta {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  margin-top: 0.05rem;
  font-family: var(--font-mono);
}

.app-item .app-score {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
  font-family: var(--font-mono);
}

/* ── App Detail ────────────────────────────── */

.app-detail {
  display: none;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  margin-bottom: 2rem;
  overflow: hidden;
  animation: slideUp 0.25s var(--ease-out);
}

.app-detail.active { display: block; }

.app-detail-header {
  padding: 1.75rem 1.5rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  border-bottom: 1px solid var(--border);
}

.app-detail-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  flex-shrink: 0;
  background: var(--bg-raised);
}

.app-detail-info { flex: 1; }

.app-detail-info h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.app-detail-info .developer {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 0.1rem;
}

.app-detail-stats {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.stat-item { text-align: center; }

.stat-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 0.68rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.05rem;
}

.app-detail-body { padding: 1.5rem; }

/* ── Score Breakdown ───────────────────────── */

.score-breakdown {
  padding: 1.15rem 1.35rem;
  background: var(--bg-raised);
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
}

.score-breakdown-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.85rem;
}

.score-breakdown-header .total-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}

.score-breakdown-header .total-score {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--accent);
}

.score-breakdown-header .total-max {
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.score-dim {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0;
}

.score-dim + .score-dim { border-top: 1px solid var(--border); }

.score-dim .dim-label {
  width: 56px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.score-dim .dim-bar-track {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.score-dim .dim-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s var(--ease-out);
}

.dim-bar-fill.demand { background: var(--info); }
.dim-bar-fill.quality { background: var(--accent); }
.dim-bar-fill.freshness { background: var(--success); }
.dim-bar-fill.pain          { background: var(--danger); }
.dim-bar-fill.monetization  { background: var(--warning); }

.score-dim .dim-value {
  width: 36px;
  text-align: right;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  font-family: var(--font-mono);
}

.score-dim .dim-hint {
  width: 100px;
  font-size: 0.7rem;
  color: var(--text-tertiary);
  text-align: right;
  flex-shrink: 0;
}

/* ── Report Header ─────────────────────────── */

.report-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.85rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.report-label {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

.report-date {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

/* ── Radar Chart ───────────────────────────── */

.radar-chart-container {
  max-width: 260px;
  margin: 0 auto 1rem;
}

/* ── Report Row (two-column layout) ────────── */

.report-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.report-row .analysis-card {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .report-row { grid-template-columns: 1fr; }
}

/* ── Verdict Banner ────────────────────────── */

.verdict-banner {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.verdict-badge {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  flex-shrink: 0;
}

.verdict-reason {
  font-size: 0.88rem;
  line-height: 1.5;
}

.verdict-reason strong {
  display: block;
  margin-bottom: 0.15rem;
}

/* ── Analysis Card (shared) ────────────────── */

.analysis-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
  color: var(--text);
}

/* ── Revenue Section ───────────────────────── */

.revenue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.revenue-item {
  padding: 0.65rem 0.85rem;
  background: var(--bg);
  border-radius: var(--radius);
}

.revenue-item .revenue-label {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.revenue-item .revenue-value {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 0.1rem;
}

.revenue-item .revenue-value.highlight {
  color: var(--success);
}

.recommendation {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding: 0.6rem 0.85rem;
  background: var(--bg);
  border-radius: var(--radius);
}

/* ── MVP Section ───────────────────────────── */

.mvp-group {
  margin-bottom: 0.65rem;
}

.mvp-group:last-child { margin-bottom: 0; }

.mvp-group-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  margin-bottom: 0.3rem;
}

.mvp-feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.mvp-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 500;
}

.mvp-tag.must { background: var(--success-bg); color: var(--success); }
.mvp-tag.baseline { background: var(--bg); color: var(--text-secondary); border: 1px solid var(--border); }
.mvp-tag.nice { background: var(--warning-bg); color: var(--warning); }

/* ── Persona Section ───────────────────────── */

.persona-summary {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 0.4rem;
}

.persona-detail {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Feature Gap Section ───────────────────── */

.feature-gap-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 600px) {
  .feature-gap-columns { grid-template-columns: 1fr; }
}

.feature-gap-group-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--border);
}

.feature-gap-group-label.complaints { color: var(--danger); }
.feature-gap-group-label.requests { color: var(--success); }

.feature-gap-list {
  list-style: none;
  padding: 0;
}

.feature-gap-item {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
}

.feature-gap-item:last-child { border-bottom: none; }

.feature-gap-item .gap-rank {
  width: 22px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.feature-gap-item .gap-text {
  flex: 1;
  font-size: 0.85rem;
  color: var(--text);
  text-transform: capitalize;
}

.feature-gap-item .gap-count {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

/* ── Sentiment Section ─────────────────────── */

.sentiment-summary {
  font-size: 0.85rem;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.sentiment-summary .trend-icon {
  margin-right: 0.3rem;
}

.sentiment-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── Risk & Strategy Section ───────────────── */

.risk-section, .strategy-section {
  margin-bottom: 0.85rem;
}

.risk-section:last-child, .strategy-section:last-child { margin-bottom: 0; }

.risk-group-label, .strategy-group-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  margin-bottom: 0.4rem;
}

.risk-list, .strategy-list {
  list-style: none;
  padding: 0;
}

.risk-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.35rem 0;
  font-size: 0.82rem;
  line-height: 1.5;
}

.risk-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.45rem;
}

.risk-dot.high   { background: var(--danger); }
.risk-dot.medium { background: var(--warning); }
.risk-dot.low    { background: var(--text-tertiary); }

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

.strategy-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.strategy-item:last-child { border-bottom: none; }

.strategy-tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  margin-right: 0.3rem;
}

.strategy-tag.high   { background: var(--success-bg); color: var(--success); }
.strategy-tag.medium { background: var(--warning-bg); color: var(--warning); }

.strategy-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 0.2rem;
}

/* ── Insight Section ───────────────────────── */

.insight-box {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  margin-bottom: 1.25rem;
}

.insight-box h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 0.85rem;
  color: var(--text);
}

.insight-item {
  padding: 0.65rem 0;
}

.insight-item + .insight-item {
  border-top: 1px solid var(--border);
}

.insight-item .insight-label {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 1px 7px;
  border-radius: var(--radius-pill);
  margin-bottom: 0.3rem;
}

.insight-label.market    { background: var(--success-bg); color: var(--success); }
.insight-label.quality   { background: var(--danger-bg); color: var(--danger); }
.insight-label.maintenance { background: var(--warning-bg); color: var(--warning); }
.insight-label.pricing   { background: #eef3f8; color: var(--info); }
.insight-label.pain      { background: var(--bg-card); color: var(--accent); }
.insight-label.competition { background: var(--bg-raised); color: var(--text-secondary); }

.insight-item .insight-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 0.15rem;
}

.insight-item .insight-detail {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── Reviews ───────────────────────────────── */

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

.btn-translate-all {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent);
  background: none;
  border: 1px solid var(--accent-muted);
  border-radius: var(--radius);
  padding: 4px 12px;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all var(--duration);
}

.btn-translate-all:hover {
  background: var(--success-bg);
  border-color: var(--accent);
}

.review-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

.keyword-tag {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.review-item {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  list-style: none;
}

.review-item:last-child { border-bottom: none; }

.review-item .review-stars {
  color: var(--warning);
  font-size: 0.8rem;
  margin-right: 0.4rem;
}

.review-item .review-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.review-item .review-content {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
  line-height: 1.6;
}

.review-item .review-original {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  margin-top: 0.35rem;
  padding-left: 0.5rem;
  border-left: 2px solid var(--border);
  font-style: italic;
}

.btn-translate {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  padding: 2px 0;
  margin-top: 0.2rem;
  transition: color var(--duration);
}

.btn-translate:hover { color: var(--accent-active); text-decoration: underline; }

.review-translation {
  font-size: 0.82rem;
  color: var(--text);
  margin-top: 0.3rem;
  line-height: 1.6;
}

.review-translation::before {
  content: "[译] ";
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 600;
}

/* ── App Store Button ──────────────────────── */

.btn-appstore {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: background var(--duration) var(--ease-out);
}

.btn-appstore:hover { background: var(--accent-active); }

/* ── Empty State ───────────────────────────── */

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-tertiary);
}

.empty-state .emoji {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

/* ── Loading Skeleton ──────────────────────── */

.skeleton {
  background: linear-gradient(90deg, var(--bg-raised) 25%, var(--bg-card) 50%, var(--bg-raised) 75%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ── Responsive ────────────────────────────── */

@media (max-width: 768px) {
  .app-header { padding: 2rem 1rem 1.75rem; }
  .app-header h1 { font-size: 1.6rem; }
  .search-bar { flex-direction: column; }
  .category-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .app-detail-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .app-detail-stats { justify-content: center; }
}

@media (max-width: 480px) {
  .main-content { padding: 1rem 0.75rem 3rem; }
  .category-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .category-card { padding: 0.85rem 0.5rem; }
  .detail-body { padding: 1rem; }
  .score-dim .dim-hint { display: none; }
}