@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/inter-400.ttf') format('truetype');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/inter-500.ttf') format('truetype');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/inter-600.ttf') format('truetype');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/inter-700.ttf') format('truetype');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../fonts/inter-800.ttf') format('truetype');
}

/* CSS Variables */
:root {
  /* Colors */
  --primary: #6366F1;
  --primary-dark: #4F46E5;
  --primary-light: #818CF8;
  --secondary: #8B5CF6;
  --accent: #22D3EE;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;

  /* Background */
  --bg-primary: #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary: #334155;
  --bg-card: rgba(30, 41, 59, 0.8);

  /* Text */
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  /* Borders */
  --border-color: #334155;
  --border-light: rgba(99, 102, 241, 0.2);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Container */
  --container-max: 1280px;
  --header-height: 72px;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

img {
  max-width: 100%;
  height: auto;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Background Decoration */
.bg-decoration {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.bg-gradient {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  animation: bgFloat 20s ease-in-out infinite;
}

.bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

@keyframes bgFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-2%, 2%) rotate(1deg); }
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition-normal);
}

.header.scrolled {
  background: rgba(15, 23, 42, 0.98);
  box-shadow: var(--shadow-lg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 700;
  transition: var(--transition-fast);
}

.logo:hover {
  opacity: 0.9;
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--primary);
}

.logo-highlight {
  color: var(--primary);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-link {
  position: relative;
  padding: var(--spacing-sm) 0;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition-normal);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.btn-icon:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.icon {
  width: 20px;
  height: 20px;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 5px;
}

.mobile-menu-btn span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* Hero Section */
.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

/* Search Box */
.search-box {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-sm);
  transition: var(--transition-normal);
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.search-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  margin-left: var(--spacing-md);
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  padding: var(--spacing-md);
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
}

.search-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

/* Quick Tags */
.quick-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
}

.quick-tag {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  max-width: 600px;
  margin: var(--spacing-3xl) auto 0;
}

.stat-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: var(--transition-normal);
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

/* Categories Section */
.categories-section {
  position: sticky;
  top: var(--header-height);
  z-index: 100;
  padding: var(--spacing-lg) 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, transparent 100%);
}

.categories-wrapper {
  position: relative;
}

.categories-scroll {
  display: flex;
  gap: var(--spacing-sm);
  overflow-x: auto;
  padding: var(--spacing-sm) 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.categories-scroll::-webkit-scrollbar {
  display: none;
}

.category-pill {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition-fast);
}

.category-pill:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary-light);
  color: var(--text-primary);
}

.category-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.category-pill .count {
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.category-pill:not(.active) .count {
  background: var(--bg-tertiary);
}

/* Tools Section */
.tools-section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
}

.section-title .highlight {
  color: var(--primary);
}

.section-subtitle {
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

.section-actions {
  display: flex;
  gap: var(--spacing-md);
}

.sort-select {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

/* Tool Card */
.tool-card {
  position: relative;
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: var(--transition-normal);
  cursor: pointer;
  animation: fadeInUp 0.4s ease forwards;
  opacity: 0;
}

.tool-card:nth-child(1) { animation-delay: 0.05s; }
.tool-card:nth-child(2) { animation-delay: 0.1s; }
.tool-card:nth-child(3) { animation-delay: 0.15s; }
.tool-card:nth-child(4) { animation-delay: 0.2s; }
.tool-card:nth-child(5) { animation-delay: 0.25s; }
.tool-card:nth-child(6) { animation-delay: 0.3s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tool-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.15);
}

.tool-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.tool-logo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  background: var(--bg-tertiary);
}

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

.tool-name {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.tool-category {
  font-size: 0.75rem;
  color: var(--primary);
  background: rgba(99, 102, 241, 0.15);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.tool-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tool-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.tool-tag {
  padding: 4px 10px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

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

.tool-rating {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--warning);
}

.tool-rating .count {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.tool-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.tool-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  transition: var(--transition-fast);
}

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

.tool-action-btn.favorite.active {
  color: var(--error);
}

.tool-action-btn.favorite.active svg {
  fill: var(--error);
}

/* Featured Section */
.featured-section {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.05) 50%, transparent 100%);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.featured-card {
  position: relative;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.05));
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  transition: var(--transition-normal);
  overflow: hidden;
}

.featured-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
  opacity: 0;
  transition: var(--transition-slow);
}

.featured-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.featured-card:hover::before {
  opacity: 1;
}

.featured-badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  padding: 4px 10px;
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

/* About Section */
.about-section {
  padding: var(--spacing-3xl) 0;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-text {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: var(--spacing-xl) 0;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.about-feature {
  padding: var(--spacing-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  transition: var(--transition-normal);
}

.about-feature:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  color: var(--primary);
  margin-bottom: var(--spacing-md);
}

.about-feature h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.about-feature p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-brand .logo {
  margin-bottom: var(--spacing-md);
}

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

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.footer-column h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer-column a,
.footer-column p {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  transition: var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-container {
  position: relative;
  width: 90%;
  max-width: 700px;
  max-height: 85vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transform: scale(0.95) translateY(20px);
  transition: var(--transition-normal);
}

.modal.active .modal-container {
  transform: scale(1) translateY(0);
}

.modal-header {
  position: absolute;
  top: 0;
  right: 0;
  padding: var(--spacing-md);
  z-index: 10;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--error);
  color: white;
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-body {
  padding: var(--spacing-xl);
  overflow-y: auto;
  max-height: 85vh;
}

/* Modal Content */
.modal-tool-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.modal-tool-logo {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-xl);
  object-fit: cover;
  background: var(--bg-tertiary);
}

.modal-tool-info h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.modal-tool-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.modal-tool-category {
  padding: 4px 12px;
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.modal-tool-pricing {
  font-size: 0.875rem;
  color: var(--success);
}

.modal-tool-rating {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--warning);
}

.modal-tool-description {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.modal-section {
  margin-bottom: var(--spacing-xl);
}

.modal-section-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.modal-section-title svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.modal-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.modal-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

.modal-feature svg {
  width: 16px;
  height: 16px;
  color: var(--success);
  flex-shrink: 0;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.modal-tag {
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.modal-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
}

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

/* Load More */
.load-more-wrapper {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-xl);
}

.load-more-btn {
  padding: var(--spacing-md) var(--spacing-2xl);
}

.load-more-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-3xl);
}

.empty-icon {
  width: 80px;
  height: 80px;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
}

.empty-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.empty-text {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease;
}

.toast.success {
  border-color: var(--success);
}

.toast.error {
  border-color: var(--error);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

.toast-icon {
  width: 20px;
  height: 20px;
}

.toast.success .toast-icon {
  color: var(--success);
}

.toast.error .toast-icon {
  color: var(--error);
}

/* Skeleton Loading */
.skeleton {
  pointer-events: none;
}

.skeleton-logo,
.skeleton-title,
.skeleton-desc,
.skeleton-tags {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-logo {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
}

.skeleton-title {
  width: 60%;
  height: 24px;
  margin-bottom: var(--spacing-sm);
}

.skeleton-desc {
  width: 100%;
  height: 40px;
  margin-bottom: var(--spacing-md);
}

.skeleton-tags {
  width: 100%;
  height: 28px;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Favorites Section */
.favorites-section {
  padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-3xl);
}

/* Responsive */
@media (max-width: 1024px) {
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-features {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    background: var(--bg-primary);
    transform: translateX(100%);
    transition: var(--transition-normal);
  }

  .nav.active {
    transform: translateX(0);
  }

  .mobile-menu-btn {
    display: flex;
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-xl);
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .tools-grid {
    grid-template-columns: 1fr;
  }

  .featured-grid {
    grid-template-columns: 1fr;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .modal-container {
    width: 95%;
    max-height: 90vh;
  }

  .modal-tool-header {
    flex-direction: column;
    text-align: center;
  }

  .modal-features {
    grid-template-columns: 1fr;
  }

  .modal-actions {
    flex-direction: column;
  }

  .toast-container {
    left: var(--spacing-md);
    right: var(--spacing-md);
    bottom: var(--spacing-md);
  }
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #E2E8F0;
  --bg-card: rgba(255, 255, 255, 0.9);

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;

  --border-color: #E2E8F0;
  --border-light: rgba(99, 102, 241, 0.2);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.2);
}

[data-theme="light"] .bg-gradient {
  background: radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
}

[data-theme="light"] .bg-grid {
  background-image: linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
}

[data-theme="light"] .header {
  background: rgba(248, 250, 252, 0.9);
}

[data-theme="light"] .search-box {
  background: white;
  box-shadow: var(--shadow-md);
}

[data-theme="light"] .tool-card,
[data-theme="light"] .featured-card,
[data-theme="light"] .stat-card,
[data-theme="light"] .about-feature {
  background: white;
}

[data-theme="light"] .categories-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, transparent 100%);
}