/* ===== Dev Pain Index — Dark Theme ===== */

:root {
  --bg-primary: #0a0b10;
  --bg-secondary: #12131a;
  --bg-card: #181922;
  --bg-hover: #1e2030;
  --border: #2a2d3e;
  --text-primary: #e8e9ed;
  --text-secondary: #8b8fa3;
  --text-muted: #5c6078;
  --accent: #ff5470;
  --accent-dim: rgba(255, 84, 112, 0.15);
  --accent-glow: rgba(255, 84, 112, 0.3);
  --green: #3dd68c;
  --yellow: #ffca62;
  --blue: #6c8aff;
  --purple: #b48eff;
  --orange: #ff9f43;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

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

html { font-size: 15px; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.55;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Topbar ===== */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 11, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.logo:hover { text-decoration: none; }

.logo-icon { font-size: 1.3rem; }

.logo-text {
  background: linear-gradient(135deg, var(--accent), #ff8fa3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-link {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.15s;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  text-decoration: none;
}

.nav-link.active {
  color: var(--accent);
  background: var(--accent-dim);
}

/* ===== Container ===== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  min-height: calc(100vh - 56px - 60px);
}

/* ===== Views ===== */

.view { display: none; }
.view.active { display: block; }

/* ===== Stats Bar ===== */

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.stat-value.accent { color: var(--accent); }

/* ===== Filter Row ===== */

.filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.category-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.pill {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  transition: all 0.15s;
}

.pill:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.pill.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.period-toggle {
  display: flex;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.period-btn {
  padding: 5px 16px;
  border: none;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
  cursor: pointer;
  background: transparent;
  color: var(--text-secondary);
  transition: all 0.15s;
}

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

/* ===== Leaderboard Table ===== */

.leaderboard-table { width: 100%; }

.lb-header {
  display: grid;
  grid-template-columns: 50px 1fr 100px 140px 80px 120px;
  padding: 10px 16px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.lb-row {
  display: grid;
  grid-template-columns: 50px 1fr 100px 140px 80px 120px;
  padding: 14px 16px;
  align-items: center;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.1s;
}

.lb-row:hover { background: var(--bg-hover); }

.lb-rank {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.lb-rank.top-3 { color: var(--accent); }

.lb-tool {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lb-tool-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.lb-tool-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  width: fit-content;
}

.badge-tooling { background: rgba(108, 138, 255, 0.15); color: var(--blue); }
.badge-language { background: rgba(180, 142, 255, 0.15); color: var(--purple); }
.badge-platform { background: rgba(255, 159, 67, 0.15); color: var(--orange); }
.badge-process { background: rgba(255, 202, 98, 0.15); color: var(--yellow); }
.badge-ai { background: rgba(61, 214, 140, 0.15); color: var(--green); }

.lb-score {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
}

.lb-bar-cell { padding-right: 12px; }

.lb-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--accent-dim);
  overflow: hidden;
}

.lb-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), #ff8fa3);
  transition: width 0.3s;
}

.lb-mentions {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.lb-sparkline {
  display: flex;
  align-items: center;
  height: 30px;
}

.lb-sparkline svg { width: 100%; height: 100%; }

/* ===== Category Grid ===== */

.section-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
}

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

.cat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  cursor: pointer;
  transition: all 0.15s;
}

.cat-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.cat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.cat-icon { font-size: 1.5rem; }

.cat-name {
  font-weight: 600;
  font-size: 1rem;
  text-transform: capitalize;
}

.cat-stats {
  display: flex;
  gap: 20px;
  margin-bottom: 14px;
}

.cat-stat-value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.2rem;
}

.cat-stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.cat-chart {
  height: 60px;
  width: 100%;
}

/* ===== Tool Detail ===== */

.tool-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.tool-name {
  font-size: 1.8rem;
  font-weight: 700;
}

.tool-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.tool-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  text-align: center;
}

.tool-stat-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
}

.tool-stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.tool-chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
  height: 280px;
}

.mention-list { list-style: none; }

.mention-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 10px;
  transition: border-color 0.15s;
}

.mention-item:hover { border-color: var(--accent); }

.mention-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.mention-source {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.mention-source-icon {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.source-hn { background: rgba(255, 102, 0, 0.15); color: #ff6600; }
.source-devto { background: rgba(61, 214, 140, 0.15); color: var(--green); }

.mention-score {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
  font-size: 0.85rem;
}

.mention-text {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}

.mention-time {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  margin-bottom: 20px;
  transition: all 0.15s;
}

.back-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

/* ===== Report Card ===== */

.report-container {
  max-width: 640px;
  margin: 0 auto;
}

.report-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.report-header {
  background: linear-gradient(135deg, var(--accent), #c9304a);
  padding: 28px 32px;
  text-align: center;
}

.report-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.report-subtitle {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
}

.report-body { padding: 24px 32px; }

.report-tool {
  display: flex;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.report-tool:last-child { border-bottom: none; }

.report-rank {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  width: 40px;
  color: var(--accent);
}

.report-tool-info { flex: 1; }

.report-tool-name {
  font-weight: 600;
  margin-bottom: 2px;
}

.report-tool-category {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: capitalize;
}

.report-tool-score {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
  margin-right: 16px;
}

.report-delta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
}

.delta-up { background: rgba(255, 84, 112, 0.15); color: var(--accent); }
.delta-down { background: rgba(61, 214, 140, 0.15); color: var(--green); }
.delta-new { background: rgba(108, 138, 255, 0.15); color: var(--blue); }

.report-sparkline-cell {
  width: 80px;
  height: 24px;
  margin-right: 12px;
}

.report-categories {
  padding: 20px 32px;
  border-top: 1px solid var(--border);
}

.report-cat-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.report-cat-bars { display: flex; flex-direction: column; gap: 8px; }

.report-cat-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.report-cat-name {
  width: 80px;
  font-size: 0.8rem;
  text-transform: capitalize;
  color: var(--text-secondary);
}

.report-cat-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-hover);
  border-radius: 4px;
  overflow: hidden;
}

.report-cat-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s;
}

.report-cat-score {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  width: 60px;
  text-align: right;
  color: var(--text-secondary);
}

.report-footer {
  padding: 16px 32px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.report-branding {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.15s;
}

.share-btn:hover {
  background: var(--accent-dim);
}

/* ===== Loading / Empty ===== */

.loading, .empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== Footer ===== */

.footer {
  text-align: center;
  padding: 20px 24px;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

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

/* ===== Responsive ===== */

@media (max-width: 768px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .lb-header, .lb-row {
    grid-template-columns: 40px 1fr 80px 60px;
  }
  .lb-bar-cell, .lb-sparkline { display: none; }
  .topbar-inner { padding: 0 16px; }
  .container { padding: 16px; }
  .report-body, .report-categories, .report-footer { padding-left: 20px; padding-right: 20px; }
  .report-header { padding: 20px; }
}

@media (max-width: 480px) {
  .nav-links { gap: 0; }
  .nav-link { padding: 6px 8px; font-size: 0.8rem; }
  .stats-bar { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-value { font-size: 1.2rem; }
}