/* PromptLean Design System */
/* Dark mode default, light mode optional */

:root {
  --bg: #0d0d0d;
  --bg-2: #141414;
  --bg-3: #1c1c1c;
  --border: #262626;
  --border-strong: #333333;

  --text: #f0f0f0;
  --text-2: #a8a8a8;
  --text-3: #606060;

  --accent: #7c3aed;
  --accent-light: #a78bfa;
  --accent-bg: rgba(124, 58, 237, 0.1);
  --accent-border: rgba(124, 58, 237, 0.3);

  --lean: #22c55e;
  --lean-bg: rgba(34, 197, 94, 0.08);
  --lean-border: rgba(34, 197, 94, 0.25);

  --balanced: #f59e0b;
  --balanced-bg: rgba(245, 158, 11, 0.08);
  --balanced-border: rgba(245, 158, 11, 0.25);

  --quality: #3b82f6;
  --quality-bg: rgba(59, 130, 246, 0.08);
  --quality-border: rgba(59, 130, 246, 0.25);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --nav-h: 60px;
  --max-w: 1200px;

  --transition: 150ms ease;

  --community: #e879f9;
  --community-bg: rgba(232, 121, 249, 0.08);
  --community-border: rgba(232, 121, 249, 0.25);
}

[data-theme="light"] {
  --bg: #fafafa;
  --bg-2: #ffffff;
  --bg-3: #f3f3f3;
  --border: #e5e5e5;
  --border-strong: #d0d0d0;
  --text: #111111;
  --text-2: #555555;
  --text-3: #999999;
  --accent-bg: rgba(124, 58, 237, 0.06);
  --lean-bg: rgba(34, 197, 94, 0.06);
  --balanced-bg: rgba(245, 158, 11, 0.06);
  --quality-bg: rgba(59, 130, 246, 0.06);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ─────────────────────────────── */
h1, h2, h3, h4 { line-height: 1.25; font-weight: 600; }
h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p { color: var(--text-2); }

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

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

/* ── Layout ─────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.page-content {
  padding-top: calc(var(--nav-h) + 40px);
  padding-bottom: 80px;
  min-height: 100vh;
}

/* ── Nav ─────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

[data-theme="light"] nav {
  background: rgba(250, 250, 250, 0.92);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  margin-right: 8px;
}

.nav-logo-icon {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.nav-link {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-2);
  transition: all var(--transition);
  font-weight: 500;
}

.nav-link:hover { color: var(--text); background: var(--bg-3); }
.nav-link.active { color: var(--text); background: var(--bg-3); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all var(--transition);
}
.theme-toggle:hover { border-color: var(--border-strong); color: var(--text); }

.nav-cta {
  padding: 7px 16px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: opacity var(--transition);
}
.nav-cta:hover { opacity: 0.85; color: #fff; }

.github-star-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1;
  color: var(--text-2);
  background: var(--bg-3);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  white-space: nowrap;
}
.github-star-btn:hover {
  border-color: #f59e0b;
  color: #f59e0b;
  background: rgba(245,158,11,0.08);
}
.github-star-btn svg { width: 14px; height: 14px; flex-shrink: 0; display: block; }
.gh-star-sep { opacity: 0.35; margin: 0 2px; }
#gh-stars:empty { display: none; }

/* ── Buttons ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { opacity: 0.85; color: #fff; }

.btn-secondary {
  background: var(--bg-3);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--border-strong); color: var(--text); }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border-strong); color: var(--text); }

.btn-lg { padding: 12px 24px; font-size: 1rem; border-radius: var(--radius); }
.btn-sm { padding: 5px 12px; font-size: 0.8rem; }

/* ── Badges ──────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-lean {
  background: var(--lean-bg);
  color: var(--lean);
  border: 1px solid var(--lean-border);
}

.badge-balanced {
  background: var(--balanced-bg);
  color: var(--balanced);
  border: 1px solid var(--balanced-border);
}

.badge-quality {
  background: var(--quality-bg);
  color: var(--quality);
  border: 1px solid var(--quality-border);
}

.badge-cat {
  background: var(--bg-3);
  color: var(--text-2);
  border: 1px solid var(--border);
}

.badge-featured {
  background: var(--accent-bg);
  color: var(--accent-light);
  border: 1px solid var(--accent-border);
}

/* ── Token pill ──────────────────────────────── */
.token-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
}
.token-pill.lean { background: var(--lean-bg); color: var(--lean); }
.token-pill.balanced { background: var(--balanced-bg); color: var(--balanced); }
.token-pill.quality { background: var(--quality-bg); color: var(--quality); }

/* ── Cards ───────────────────────────────────── */
.card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
  border-color: var(--border-strong);
}

.card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card-link:hover .card { border-color: var(--accent-border); }
.card-link:hover .card-title { color: var(--accent-light); }

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  transition: color var(--transition);
  line-height: 1.4;
}

.card-desc {
  font-size: 0.8125rem;
  color: var(--text-2);
  line-height: 1.55;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.card-tokens {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

/* ── Grid layouts ─────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
  gap: 20px;
}

/* ── Search & Filters ────────────────────────── */
.search-bar {
  position: relative;
  max-width: 560px;
}

.search-input {
  width: 100%;
  padding: 11px 16px 11px 42px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition);
}

.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--text-3); }

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
  font-size: 15px;
}

.filter-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover { border-color: var(--border-strong); color: var(--text); }
.filter-btn.active { background: var(--accent-bg); border-color: var(--accent-border); color: var(--accent-light); }

/* ── Prompt viewer ───────────────────────────── */
.prompt-block {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.prompt-block-header {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.prompt-block-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.prompt-block-actions {
  display: flex;
  gap: 6px;
}

.prompt-text {
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ── Variant tabs ────────────────────────────── */
.variant-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--bg-3);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: fit-content;
}

.variant-tab {
  padding: 6px 16px;
  border-radius: 7px;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text-2);
  transition: all var(--transition);
}

.variant-tab.active-lean { background: var(--lean-bg); color: var(--lean); }
.variant-tab.active-balanced { background: var(--balanced-bg); color: var(--balanced); }
.variant-tab.active-quality { background: var(--quality-bg); color: var(--quality); }

/* ── Copy button ─────────────────────────────── */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--transition);
}

.copy-btn:hover { border-color: var(--border-strong); color: var(--text); }
.copy-btn.copied { background: var(--lean-bg); border-color: var(--lean-border); color: var(--lean); }

/* ── Stat blocks ─────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.stat-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 4px;
}

/* ── Token savings bar ───────────────────────── */
.savings-bar {
  height: 6px;
  background: var(--bg-3);
  border-radius: 999px;
  overflow: hidden;
}

.savings-fill {
  height: 100%;
  background: var(--lean);
  border-radius: 999px;
  transition: width 0.4s ease;
}

/* ── Hero section ────────────────────────────── */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--accent-bg);
  border: 1px solid var(--accent-border);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent-light) 0%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-2);
  max-width: 540px;
  margin: 0 auto 32px;
}

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

/* ── Section headers ─────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
}

/* ── Divider ─────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 40px 0;
}

/* ── Empty state ─────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-3);
}

.empty-state-icon { font-size: 2.5rem; margin-bottom: 12px; }
.empty-state h3 { color: var(--text-2); margin-bottom: 6px; }

/* ── Toast ───────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 10px 16px;
  font-size: 0.875rem;
  color: var(--text);
  z-index: 999;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.2s ease;
  pointer-events: none;
}

#toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ── Footer ──────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-3);
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-link {
  font-size: 0.8125rem;
  color: var(--text-3);
  transition: color var(--transition);
}

.footer-link:hover { color: var(--text-2); }

/* ── Compare layout ──────────────────────────── */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.compare-col {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.compare-col-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.compare-col-body {
  padding: 14px 16px;
}

/* ── Sidebar layout ──────────────────────────── */
.layout-sidebar {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}

.sidebar-section {
  margin-bottom: 24px;
}

.sidebar-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
}

.sidebar-item {
  display: block;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.sidebar-item:hover { color: var(--text); background: var(--bg-3); }
.sidebar-item.active { color: var(--text); background: var(--bg-3); }

/* ── Tag cloud ───────────────────────────────── */
.tag-wrap {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tag {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  cursor: pointer;
  transition: all var(--transition);
}

.tag:hover, .tag.active {
  background: var(--accent-bg);
  border-color: var(--accent-border);
  color: var(--accent-light);
}

/* ── Results count ───────────────────────────── */
.results-meta {
  font-size: 0.8125rem;
  color: var(--text-3);
  margin-bottom: 16px;
}

/* ── Breadcrumb ──────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--text-3);
  margin-bottom: 20px;
}

.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--text-2); }
.breadcrumb-sep { color: var(--text-3); }

/* ── Responsive ──────────────────────────────── */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .layout-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .container { padding: 0 16px; }
  .nav-links .nav-link:not(.active) { display: none; }
}

/* ── Utility ─────────────────────────────────── */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mt-auto { margin-top: auto; }
.ml-auto { margin-left: auto; }
.text-2 { color: var(--text-2); }
.text-3 { color: var(--text-3); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.font-mono { font-family: var(--font-mono); }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* ── Prompt detail layout ────────────────────── */
.prompt-detail-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

/* ── Placeholder highlighting ────────────────── */
.prompt-text .ph {
  color: var(--accent-light);
  background: var(--accent-bg);
  border-radius: 3px;
  padding: 0 2px;
  font-style: italic;
}

@media (max-width: 860px) {
  .prompt-detail-grid {
    grid-template-columns: 1fr;
  }
  .prompt-detail-grid aside.sidebar {
    position: static;
  }
}

/* ── Favorite star ───────────────────────────── */
.fav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-3);
  font-size: 14px;
  transition: color var(--transition), transform var(--transition);
  user-select: none;
  flex-shrink: 0;
  margin-left: auto;
}
.fav-btn:hover { color: #f59e0b; transform: scale(1.15); }
.fav-btn.active { color: #f59e0b; }

/* ── Popular badge ───────────────────────────── */
.badge-popular {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

/* ── Playground ──────────────────────────────── */
.playground {
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  background: var(--accent-bg);
  overflow: hidden;
}

.playground-header {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--accent-border);
  gap: 12px;
}

.playground-body {
  padding: 14px;
}

.playground-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.playground-field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 4px;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
}

.playground-input {
  width: 100%;
  padding: 6px 10px;
  background: var(--bg-2);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.8125rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition);
}
.playground-input:focus { border-color: var(--accent-light); }

.playground-preview {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
  min-height: 60px;
}

/* ── Diff view ───────────────────────────────── */
.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.diff-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.diff-header {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.diff-body {
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
}

.diff-remove {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-radius: 2px;
  text-decoration: line-through;
  text-decoration-color: rgba(239, 68, 68, 0.4);
}

.diff-add {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
  border-radius: 2px;
}

@media (max-width: 640px) {
  .diff-grid { grid-template-columns: 1fr; }
}

/* ── Cost estimator ──────────────────────────── */
.cost-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-top: 1px solid var(--border);
}

.cost-select {
  width: 100%;
  padding: 7px 10px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.8125rem;
  font-family: var(--font-sans);
  outline: none;
  cursor: pointer;
  margin-bottom: 4px;
  transition: border-color var(--transition);
}
.cost-select:focus { border-color: var(--accent); }

/* ── Community variants ──────────────────────── */
.badge-community {
  background: var(--community-bg);
  color: var(--community);
  border: 1px solid var(--community-border);
}

.token-pill.community {
  background: var(--community-bg);
  color: var(--community);
}

.community-tab {
  color: var(--community);
}

.variant-tab.active-community {
  background: var(--community-bg);
  color: var(--community);
}

/* ── Workflow chain ──────────────────────────── */
.workflow-steps {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.workflow-step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.8125rem;
  background: var(--bg-2);
  transition: all var(--transition);
  white-space: nowrap;
}
.workflow-step:hover { border-color: var(--accent-border); color: var(--accent-light); }
.workflow-step.current { border-color: var(--accent-border); background: var(--accent-bg); color: var(--accent-light); }
.workflow-step.done { border-color: var(--lean-border); background: var(--lean-bg); color: var(--lean); }

.workflow-step-num {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}
.workflow-step.current .workflow-step-num { background: var(--accent); color: #fff; }
.workflow-step.done    .workflow-step-num { background: var(--lean);   color: #fff; }

.workflow-arrow {
  color: var(--text-3);
  font-size: 1rem;
  flex-shrink: 0;
  line-height: 1;
}

/* ── Prompt builder form ─────────────────────── */
.builder-field {
  display: flex;
  flex-direction: column;
}

.builder-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.builder-input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition);
}
.builder-input:focus { border-color: var(--accent); }
.builder-input::placeholder { color: var(--text-3); }

.builder-textarea {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  resize: vertical;
  line-height: 1.6;
}

.builder-token-count {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-3);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px;
}

@media (max-width: 580px) {
  .builder-field + .builder-field { margin-top: 0; }
  [style*="grid-template-columns: 1fr 1fr"] { grid-template-columns: 1fr !important; }
}