:root {
  --bg-primary: #0a0c10;
  --bg-surface: #12161f;
  --bg-surface-elevated: #1a202c;
  --bg-input: #151a24;
  
  --border-color: #273042;
  --border-glow: #3b82f640;
  
  --accent-primary: #3b82f6;
  --accent-hover: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.4);
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-code: 'Fira Code', monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  min-height: 100vh;
  padding: 1.5rem;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }

.app-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.brand { display: flex; align-items: center; gap: 1rem; }

.logo-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-cyan));
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.brand-title { font-size: 1.4rem; font-weight: 700; }
.brand-title span {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline { font-size: 0.85rem; color: var(--text-secondary); }

.header-status {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; color: var(--text-secondary);
  background: var(--bg-input);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.status-indicator {
  width: 8px; height: 8px; border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.main-content { display: flex; flex-direction: column; gap: 1.5rem; }

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.25rem; }
.card-header h2, .card-header h3 { font-size: 1.15rem; font-weight: 600; display: flex; align-items: center; gap: 0.5rem; }

.tool-intro {
  margin-bottom: 1.25rem;
}

.tool-intro h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin-bottom: 0.35rem;
}

.tool-intro p {
  color: var(--text-secondary);
  max-width: 760px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--accent-cyan);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.badge {
  font-size: 0.75rem; font-weight: 600;
  padding: 0.25rem 0.6rem; border-radius: 12px;
  background: var(--bg-input); color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.3);
}

.scrape-form { display: flex; flex-direction: column; gap: 1.25rem; }
.input-group { display: flex; gap: 0.75rem; }
.input-wrapper { position: relative; flex: 1; display: flex; align-items: center; }

.link-icon { position: absolute; left: 1rem; color: var(--text-muted); pointer-events: none; }

.input-wrapper input {
  width: 100%;
  padding: 0.85rem 2.8rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.95rem;
  outline: none;
}

.input-wrapper input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.icon-btn {
  position: absolute; right: 0.75rem;
  background: none; border: none; color: var(--text-muted);
  font-size: 0.9rem; cursor: pointer; padding: 0.2rem 0.4rem;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.85rem 1.5rem; border-radius: var(--radius-md);
  font-family: var(--font-main); font-size: 0.95rem; font-weight: 600;
  cursor: pointer; border: none; transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary { background: linear-gradient(135deg, var(--accent-primary), #2563eb); color: #fff; }
.btn-secondary { background: var(--bg-surface-elevated); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-outline { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-color); }
.btn-sm { padding: 0.45rem 0.85rem; font-size: 0.85rem; border-radius: var(--radius-sm); }

.seo-hero {
  padding: 3rem;
  text-align: center;
}

.seo-kicker {
  color: var(--accent-cyan);
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.seo-hero h1 {
  font-size: 2.4rem;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.seo-hero p {
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 1.5rem;
}

.seo-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.demo-section { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.demo-label { font-size: 0.85rem; color: var(--text-muted); }
.demo-pills { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.pill-btn {
  background: var(--bg-input); border: 1px solid var(--border-color);
  color: var(--text-secondary); padding: 0.35rem 0.75rem; border-radius: 20px;
  font-size: 0.8rem; cursor: pointer; transition: all 0.2s ease;
}
.pill-btn:hover { background: var(--bg-surface-elevated); color: var(--accent-cyan); border-color: var(--accent-cyan); }

.options-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; border-top: 1px solid var(--border-color); padding-top: 0.5rem; }
.option-field { display: flex; flex-direction: column; gap: 0.4rem; }
.option-field label { font-size: 0.85rem; color: var(--text-secondary); }

.custom-select {
  padding: 0.65rem; background: var(--bg-input); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); color: var(--text-primary); font-family: var(--font-main); font-size: 0.9rem;
}

/* Results Display */
.results-section {
  display: flex; flex-direction: column; gap: 1rem;
  background: var(--bg-surface); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 1.5rem;
}

.results-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--border-color); padding-bottom: 1rem; flex-wrap: wrap; gap: 1rem;
}

.tabs { display: flex; gap: 0.5rem; }
.tab-btn {
  background: none; border: none; color: var(--text-secondary);
  padding: 0.5rem 1rem; border-radius: var(--radius-md); font-family: var(--font-main); font-size: 0.85rem; font-weight: 500; cursor: pointer; display: flex; align-items: center; gap: 0.4rem;
}
.tab-btn.active { background: var(--bg-surface-elevated); color: var(--accent-primary); border: 1px solid var(--border-color); }

.toolbar-actions { display: flex; gap: 0.5rem; }
.tab-content { display: none; }
.tab-content.active { display: block; }

.json-code-block {
  background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: 1.25rem; font-family: var(--font-code);
  font-size: 0.88rem; line-height: 1.6; color: #e2e8f0; overflow-x: auto; max-height: 550px;
}

.json-key { color: #38bdf8; font-weight: 500; }
.json-string { color: #4ade80; }
.json-number { color: #facc15; }
.json-boolean { color: #f472b6; }
.json-null { color: #94a3b8; font-style: italic; }

/* Product Grid Multi-Card View */
.product-grid-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  padding: 1rem 0;
}

.grid-product-card {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.grid-product-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
}

.grid-product-img {
  width: 100%;
  height: 160px;
  background: #fff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
}

.grid-product-img img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.grid-product-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 2.7em;
}

.grid-product-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-emerald);
}

.grid-product-link {
  margin-top: auto;
  font-size: 0.8rem;
  color: var(--accent-cyan);
  text-decoration: none;
}
.grid-product-link:hover { text-decoration: underline; }

/* Use Cases Section */
.usecases-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.usecase-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.usecase-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-cyan);
}

.usecase-icon {
  font-size: 1.8rem;
}

.usecase-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.usecase-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* FAQ Accordion Section */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--accent-primary);
}

.faq-answer {
  padding: 0 1.25rem 1rem 1.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.history-card { padding: 1.25rem; }
.history-list { display: flex; flex-direction: column; gap: 0.5rem; max-height: 200px; overflow-y: auto; }

.history-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.6rem 0.8rem; background: var(--bg-input); border: 1px solid var(--border-color);
  border-radius: var(--radius-sm); font-size: 0.85rem; cursor: pointer;
}

.history-url { color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 70%; }
.history-time { font-size: 0.75rem; color: var(--text-muted); }
.empty-state { font-size: 0.85rem; color: var(--text-muted); text-align: center; padding: 1rem; }
.text-link { background: none; border: none; color: var(--text-muted); font-size: 0.8rem; cursor: pointer; }

.toast {
  position: fixed; bottom: 2rem; right: 2rem;
  background: var(--bg-surface-elevated); border: 1px solid var(--accent-primary);
  color: var(--text-primary); padding: 0.75rem 1.25rem; border-radius: var(--radius-md);
  box-shadow: var(--shadow-card); font-size: 0.9rem; z-index: 100;
}

.hidden { display: none !important; }

.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3); border-radius: 50%;
  border-top-color: #fff; animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Icon support for SVG-in-markup UI elements (SEO & a11y improvements) */
.pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.pill-btn svg {
  width: 15px;
  height: 15px;
}

.usecase-icon svg {
  width: 34px;
  height: 34px;
  color: var(--accent-cyan);
}

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

.tool-link:hover {
  border-color: var(--accent-cyan);
}

.tool-link h3 {
  color: var(--text-primary);
}

.tool-link p {
  color: var(--text-secondary);
}