/* tools.ai Design System — "AI Control Room / Signal Directory" */

:root {
  --bg-primary: #0a0d14;
  --bg-secondary: #121722;
  --bg-card: #161c2a;
  --bg-card-hover: #1c2436;
  --bg-input: #1a202c;
  --border-color: #263043;
  --border-highlight: #3b82f6;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #00f0ff;
  --accent-pink: #ff0055;
  --accent-amber: #ffaa00;
  --accent-green: #10b981;
  --accent-purple: #a855f7;

  --badge-free-bg: rgba(16, 185, 129, 0.15);
  --badge-free-text: #34d399;
  --badge-freemium-bg: rgba(0, 240, 255, 0.15);
  --badge-freemium-text: #38bdf8;
  --badge-paid-bg: rgba(255, 170, 0, 0.15);
  --badge-paid-text: #fbbf24;
  --badge-enterprise-bg: rgba(168, 85, 247, 0.15);
  --badge-enterprise-text: #c084fc;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Roboto Mono', ui-monospace, SFMono-Regular, monospace;

  --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.08);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-highlight: #2563eb;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --badge-free-bg: rgba(16, 185, 129, 0.1);
  --badge-free-text: #059669;
  --badge-freemium-bg: rgba(2, 132, 199, 0.1);
  --badge-freemium-text: #0284c7;
  --badge-paid-bg: rgba(217, 119, 6, 0.1);
  --badge-paid-text: #d97706;
  --badge-enterprise-bg: rgba(147, 51, 234, 0.1);
  --badge-enterprise-text: #7e22ce;

  --shadow-glow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s ease;
}

[data-theme="light"] a {
  color: var(--border-highlight);
}

a:hover {
  text-decoration: underline;
}

/* Header & Nav */
.navbar {
  background-color: rgba(18, 23, 34, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.5rem;
}

[data-theme="light"] .navbar {
  background-color: rgba(255, 255, 255, 0.85);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  text-decoration: none;
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
}

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

.brand-dot {
  width: 10px;
  height: 10px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
  text-decoration: none;
}

.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  border-color: var(--text-muted);
}

/* Layout Containers */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  width: 100%;
  flex: 1;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 3rem 1rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.75rem;
  display: inline-block;
  background: rgba(0, 240, 255, 0.08);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 240, 255, 0.2);
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Global Search Bar */
.search-container {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  position: relative;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 1.2rem;
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
}

/* Stats Counter Bar */
.stats-bar {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  min-width: 140px;
}

.stat-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Filter Bar */
.filter-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.filter-group-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-right: 0.25rem;
}

.filter-select, .sort-select {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-family: var(--font-sans);
  outline: none;
  cursor: pointer;
}

.filter-select:focus, .sort-select:focus {
  border-color: var(--accent-cyan);
}

.btn-clear-filters {
  background: transparent;
  border: 1px dashed var(--border-color);
  color: var(--text-muted);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.2s ease;
  margin-left: auto;
}

.btn-clear-filters:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.results-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0 0.25rem;
  margin-bottom: 1.5rem;
}

/* Tool Cards Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  position: relative;
}

.tool-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-glow);
}

.tool-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.tool-identity {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tool-icon-fallback {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.tool-title-group h3 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
}

.tool-title-group h3 a {
  color: var(--text-primary);
}

.tool-title-group h3 a:hover {
  color: var(--accent-cyan);
  text-decoration: none;
}

.tool-maker {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Badges */
.pricing-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.pricing-badge.free {
  background: var(--badge-free-bg);
  color: var(--badge-free-text);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.pricing-badge.freemium {
  background: var(--badge-freemium-bg);
  color: var(--badge-freemium-text);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.pricing-badge.paid {
  background: var(--badge-paid-bg);
  color: var(--badge-paid-text);
  border: 1px solid rgba(255, 170, 0, 0.3);
}

.pricing-badge.enterprise {
  background: var(--badge-enterprise-bg);
  color: var(--badge-enterprise-text);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  background: var(--bg-secondary);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 0.75rem;
  width: fit-content;
}

.tool-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.4;
  flex: 1;
}

.tool-features-preview {
  list-style: none;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.tool-features-preview li {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tool-features-preview li::before {
  content: "•";
  color: var(--accent-cyan);
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
  font-size: 0.8rem;
}

.tool-roles-list {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.role-pill {
  font-size: 0.7rem;
  background: var(--bg-input);
  color: var(--text-secondary);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
}

.btn-visit {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
  background: transparent;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.btn-visit:hover {
  background: rgba(0, 240, 255, 0.1);
  text-decoration: none;
}

/* Category Grid (Homepage) */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-glow);
  text-decoration: none;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

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

.category-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.category-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  line-height: 1.4;
  flex: 1;
}

.category-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-cyan);
}

/* Detail Page Layout */
.tool-detail-header {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
}

.tool-detail-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.tool-detail-main-info {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.tool-detail-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.tool-detail-h1 {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.1;
}

.tool-detail-tagline {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.tool-action-buttons {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.btn-primary {
  background: var(--accent-cyan);
  color: #000;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: #33f3ff;
  text-decoration: none;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

@media (max-width: 900px) {
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

.detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.detail-card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.detail-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.use-cases-list, .features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.use-cases-list li, .features-list li {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--text-primary);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.use-cases-list li::before {
  content: "⚡";
  font-size: 0.9rem;
}

.features-list li::before {
  content: "✓";
  color: var(--accent-cyan);
  font-weight: bold;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.9rem;
}

.pricing-table th, .pricing-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.pricing-table th {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  background: var(--bg-secondary);
}

.verified-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.75rem;
}

/* Sidebar Meta Box */
.meta-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.meta-item {
  margin-bottom: 1.25rem;
}

.meta-item:last-child {
  margin-bottom: 0;
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.meta-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}

.tag-item {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

/* Code Snippet Box with Copy Button */
.code-block-wrapper {
  position: relative;
  margin: 1rem 0;
  background: #000000;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-block-header {
  background: var(--bg-secondary);
  padding: 0.4rem 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.btn-copy {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  transition: all 0.2s ease;
}

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

pre {
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  color: #38bdf8;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 3rem 1.5rem 2rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

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

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 400px;
}

.footer-column h4 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-column a {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-column a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  grid-column: 1 / -1;
}

.empty-state h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}