:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary: #06b6d4;
  --accent: #8b5cf6;
  --light-bg: #f8fafc;
  --white: #ffffff;
  --dark: #1e293b;
  --dark-light: #334155;
  --gray: #64748b;
  --gray-light: #e2e8f0;
  --gray-lighter: #f1f5f9;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --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);
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --card-padding: 1.25rem;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: linear-gradient(135deg, #f0f9ff 0%, #f0fdf4 100%);
  min-height: 100vh;
}

.minimal-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  padding: 4rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
  background-size: cover;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.logo-icon {
  font-size: 2.5rem;
  background: rgba(255, 255, 255, 0.2);
  padding: 1rem;
  border-radius: 1rem;
  backdrop-filter: blur(10px);
}

h1 {
  font-size: 3rem;
  font-weight: 800;
  margin: 0;
  background: linear-gradient(135deg, #fff 0%, #e0f2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  opacity: 0.95;
}

.subtitle {
  font-size: 1.1rem;
  opacity: 0.8;
}

/* Search Section */
.search-section {
  background: rgba(255, 255, 255, 0.95);
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--gray-light);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.search-container {
  max-width: 600px;
  margin: 0 auto 2rem;
}

.search-wrapper {
  display: flex;
  align-items: center;
  background: var(--white);
  border: 2px solid var(--gray-light);
  border-radius: var(--border-radius);
  padding: 0.75rem;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

.search-wrapper:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1), var(--shadow-lg);
  transform: translateY(-2px);
}

.search-icon {
  padding: 0 0.75rem;
  font-size: 1.2rem;
  color: var(--gray);
}

#search {
  flex: 1;
  border: none;
  outline: none;
  padding: 0.5rem 0;
  font-size: 1.1rem;
  background: transparent;
  color: var(--dark);
  font-weight: 500;
}

#search::placeholder {
  color: var(--gray);
}

.search-shortcut {
  padding: 0.375rem 0.75rem;
  background: var(--gray-lighter);
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray);
  margin-right: 0.5rem;
  border: 1px solid var(--gray-light);
}

/* Category Filters */
.category-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.category-filter {
  padding: 0.75rem 1.25rem;
  background: var(--white);
  border: 2px solid var(--gray-light);
  border-radius: 2rem;
  font-weight: 600;
  color: var(--gray);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow);
  border: none;
}

.category-filter:hover {
  border-color: var(--primary-light);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.category-filter.active {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

/* Tools Grid */
.tools-grid-section {
  padding: 3rem 0;
}

.tools-container {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.category-section {
  animation: fadeInUp 0.6s ease-out;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--gray-lighter);
}

.category-icon {
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
  box-shadow: var(--shadow-md);
}

.category-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
}

.category-tools-count {
  background: var(--gray-lighter);
  color: var(--gray);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  margin-left: auto;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.tool-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: var(--card-padding);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-light);
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  min-height: 140px;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.tool-card:hover::before {
  transform: scaleX(1);
}

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

.tool-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: white;
  flex-shrink: 0;
  box-shadow: var(--shadow);
}

.tool-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tool-description {
  color: var(--gray);
  line-height: 1.4;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.tool-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 0.85rem;
  width: 100%;
  margin-top: auto;
}

.tool-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* View All Button */
.view-all-container {
  text-align: center;
  margin-top: 1.5rem;
  display: none;
}

.view-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--primary);
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid var(--primary);
}

.view-all-btn:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* No Results */
.no-results {
  text-align: center;
  padding: 4rem 1.5rem;
  display: none;
}

.no-results-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  opacity: 0.5;
}

.no-results h3 {
  font-size: 1.5rem;
  color: var(--dark);
  margin-bottom: 0.75rem;
}

.no-results p {
  color: var(--gray);
  font-size: 1.1rem;
}

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

.tool-card {
  animation: fadeInUp 0.5s ease-out;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .tools-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }
}

@media (max-width: 992px) {
  .tools-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 3rem 1.5rem;
  }
  
  h1 {
    font-size: 2.25rem;
  }
  
  .tagline {
    font-size: 1.1rem;
  }
  
  .tools-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
  }
  
  .tool-card {
    padding: 1rem;
    min-height: 130px;
  }
  
  .tool-header {
    gap: 0.5rem;
  }
  
  .tool-icon {
    width: 2rem;
    height: 2rem;
    font-size: 1rem;
  }
  
  .tool-title {
    font-size: 0.9rem;
  }
  
  .tool-description {
    font-size: 0.8rem;
  }
  
  .search-shortcut {
    display: none;
  }
  
  .category-filters {
    gap: 0.5rem;
  }
  
  .category-filter {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }
  
  .tools-grid.show-view-all .tool-card:nth-child(n+5) {
    display: none;
  }
  
  .view-all-container {
    display: block;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 2.5rem 1rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .tagline {
    font-size: 1rem;
  }
  
  .subtitle {
    font-size: 0.9rem;
  }
  
  .tools-grid-section {
    padding: 2rem 0;
  }
  
  .tools-grid {
    grid-template-columns: 1fr;
  }
  
  .tool-card {
    padding: 1.25rem;
    min-height: auto;
  }
  
  .category-header {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
  
  .category-tools-count {
    margin-left: 0;
  }
  
  .container {
    padding: 0 1rem;
  }
}