/**
 * Super AI Heaven - Ultra-Refined High-End Design System
 * Inspired by Linear, Vercel & Stripe aesthetics
 * Proportional Compact Sizing, Micro-Interactions, Zero-Bloat
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-primary: #090a0f;
  --bg-secondary: #0f1118;
  --bg-surface: #131620;
  --bg-surface-hover: #1a1e2c;
  --bg-glass: rgba(15, 17, 24, 0.85);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-secondary: #38bdf8;
  --heaven-gradient: linear-gradient(135deg, #818cf8 0%, #38bdf8 50%, #c084fc 100%);
  --card-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 100%);

  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(99, 102, 241, 0.45);

  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 24px rgba(99, 102, 241, 0.2);

  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, Monaco, monospace;
}

[data-theme="light"] {
  --bg-primary: #fafbfc;
  --bg-secondary: #f1f4f9;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f8fafc;
  --bg-glass: rgba(255, 255, 255, 0.88);

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

  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-hover: rgba(99, 102, 241, 0.5);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.12);
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(ellipse 60% 40% at 50% -10%, rgba(99, 102, 241, 0.12), transparent),
    radial-gradient(ellipse 40% 30% at 85% 60%, rgba(56, 189, 248, 0.06), transparent);
  background-attachment: fixed;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Header & Sticky Navbar */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  letter-spacing: -0.4px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--heaven-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

.logo-text span {
  background: var(--heaven-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.88rem;
  transition: var(--transition-fast);
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius-sm);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.theme-toggle-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-1px);
}

.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.3rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 3rem 0 2rem;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-secondary);
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
  letter-spacing: -0.2px;
}

.hero-badge .pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  display: inline-block;
}

.hero-title {
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: -0.9px;
  line-height: 1.2;
  margin-bottom: 1rem;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  background: var(--heaven-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 1.75rem;
  line-height: 1.6;
}

/* Search Bar */
.search-container {
  max-width: 580px;
  margin: 0 auto 1.5rem;
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  padding: 0.85rem 6.5rem 0.85rem 1.25rem;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 0.92rem;
  font-family: inherit;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.25);
}

.search-btn {
  position: absolute;
  right: 5px;
  height: calc(100% - 10px);
  padding: 0 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

/* Trending Tags */
.trending-tags {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
}

.trending-label {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.8rem;
}

.tag-pill {
  padding: 0.25rem 0.65rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  transition: var(--transition-fast);
}

.tag-pill:hover {
  color: var(--text-primary);
  border-color: var(--border-color-hover);
  background: var(--bg-surface-hover);
}

/* Stats Banner */
.stats-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0 2.5rem;
  box-shadow: var(--shadow-sm);
}

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

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -0.5rem;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-color);
}

.stat-item-number {
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--heaven-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  margin-bottom: 0.15rem;
}

.stat-item-label {
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.15rem;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--heaven-gradient);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.45);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.75rem 1.65rem;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
}

/* Section Header */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.section-title-group h2 {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.4px;
  margin-bottom: 0.25rem;
}

.section-title-group p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* Category Filter Bar */
.category-filter-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.cat-filter-btn {
  padding: 0.4rem 0.9rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.cat-filter-btn:hover, .cat-filter-btn.active {
  background: var(--heaven-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

/* 4-Column Responsive Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
}

.tool-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--card-gradient);
  pointer-events: none;
}

.tool-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

.tool-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tool-icon svg {
  width: 22px;
  height: 22px;
}

.tool-title-info {
  flex: 1;
  min-width: 0;
}

.tool-title {
  font-size: 0.98rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.2px;
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  background: #38bdf8;
  color: #08090d;
  font-size: 9px;
  font-weight: 900;
  border-radius: 50%;
  flex-shrink: 0;
}

.traffic-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  margin-left: 0.35rem;
}

.tool-category {
  font-size: 0.74rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tool-description {
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.5;
  margin-bottom: 0.75rem;
  flex: 1;
}

.tool-tags-container {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.tool-tag-pill {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-color);
}

.tool-stats {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.rating-stars {
  color: #fbbf24;
  font-weight: 700;
  font-size: 0.8rem;
}

/* Badges */
.badge {
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-free {
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-freemium {
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-secondary);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.badge-paid {
  background: rgba(245, 158, 11, 0.12);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.25);
}

/* Interactive Showcase Section */
.interactive-showcase-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.tool-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
  overflow-x: auto;
}

.tool-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.tool-tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-secondary);
}

.tool-tab-btn.active {
  color: #fff;
  background: var(--heaven-gradient);
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.25);
}

.tool-panel {
  display: none;
}

.tool-panel.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Presets Row */
.preset-chips-row {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.preset-chip {
  padding: 0.3rem 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.preset-chip:hover, .preset-chip.active {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: transparent;
}

/* Form Controls */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.form-control, .form-select, .form-textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.88rem;
  transition: var(--transition-fast);
}

.form-control:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.2);
}

.form-textarea {
  resize: vertical;
}

/* Tool Result Box */
.tool-result-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  position: relative;
}

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

.result-header h4 {
  font-size: 0.95rem;
  font-weight: 700;
}

.copy-btn {
  padding: 0.3rem 0.7rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.copy-btn:hover {
  background: var(--accent-primary);
  color: #fff;
  border-color: transparent;
}

.result-content {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-primary);
}

/* 2-Column Grid */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

/* Stat Box */
.stat-card-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.stat-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
}

.stat-number {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-secondary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.2rem;
}

/* LLM Comparison Matrix */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2.5rem;
}

.comparison-matrix {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.comparison-matrix th {
  background: var(--bg-secondary);
  padding: 0.85rem 1rem;
  font-weight: 700;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.comparison-matrix td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  vertical-align: middle;
}

.comparison-matrix tr:hover td {
  background: var(--bg-surface-hover);
}

/* Cheat Sheet */
.cheat-sheet-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
  margin-bottom: 2.5rem;
}

.cheat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.cheat-card-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-secondary);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.cheat-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.cheat-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  flex: 1;
}

.cheat-code-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-secondary);
  line-height: 1.45;
  white-space: pre-wrap;
}

/* Blog Cards */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.blog-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-normal);
}

.blog-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.blog-card-img {
  height: 140px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  border-bottom: 1px solid var(--border-color);
}

.blog-card-content {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-secondary);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.blog-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.5rem;
}

.blog-card-title a {
  color: var(--text-primary);
  text-decoration: none;
}

.blog-card-title a:hover {
  color: var(--accent-primary);
}

.blog-card-excerpt {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1;
}

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
  margin-bottom: 2.5rem;
}

.faq-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.faq-card h4 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.faq-card p {
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.55;
}

/* Community CTA */
.community-cta-card {
  background: var(--heaven-gradient);
  border-radius: var(--radius-xl);
  padding: 2.5rem 1.75rem;
  text-align: center;
  color: #ffffff;
  margin: 2rem 0 3.5rem;
  box-shadow: var(--shadow-md);
}

.community-cta-card h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.4px;
}

.community-cta-card p {
  font-size: 0.95rem;
  max-width: 540px;
  margin: 0 auto 1.5rem;
  opacity: 0.95;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.modal-backdrop.show {
  opacity: 1;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 580px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

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

.modal-close {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
}

.modal-body {
  padding: 1.25rem;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0 1.75rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 0.75rem;
  max-width: 280px;
}

.footer-heading {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.82rem;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.78rem;
}

/* Toast */
.toast-notification {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--accent-primary);
  color: #fff;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.82rem;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transform: translateY(60px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 2rem);
  max-width: 600px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  z-index: 900;
}

.cookie-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.cookie-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .tools-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-banner { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2)::after { display: none; }
}

@media (max-width: 860px) {
  .hero-title { font-size: 2rem; }
  .grid-2 { grid-template-columns: 1fr; }
  .cheat-sheet-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  html { font-size: 14px; }
  .navbar { height: 56px; }
  .nav-menu {
    position: fixed;
    top: 56px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 1.25rem;
    gap: 0.75rem;
    display: none;
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.show { display: flex; }
  .mobile-nav-toggle { display: block; }
  .hero-title { font-size: 1.65rem; }
  .tools-grid { grid-template-columns: 1fr; }
  .stats-banner { grid-template-columns: 1fr; }
  .stat-item::after { display: none !important; }
  .footer-grid { grid-template-columns: 1fr; }
  .cookie-banner { flex-direction: column; text-align: center; }
}

/* Favorites Button */
.fav-btn {
  background: transparent;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  padding: 0.2rem;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
  line-height: 1;
}

.fav-btn:hover {
  transform: scale(1.2);
}

.fav-btn.active {
  animation: heartPop 0.3s ease;
}

@keyframes heartPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.35); }
  100% { transform: scale(1); }
}

/* Directory Filter Bar Controls */
.dir-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.dir-select-filter {
  padding: 0.4rem 0.85rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

.dir-select-filter:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* Progress bar for Token Estimator */
.token-ctx-progress {
  width: 100%;
  height: 8px;
  background: var(--bg-surface);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: 0.5rem;
  border: 1px solid var(--border-color);
}

.token-ctx-bar {
  height: 100%;
  background: var(--heaven-gradient);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}