:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --bg-card: #161616;
  --bg-card-hover: #1e1e1e;
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent: #00d9ff;
  --accent-hover: #00bde6;
  --border: #27272a;
  --gradient: linear-gradient(135deg, #00d9ff 0%, #8b5cf6 100%);
}

::selection {
  background: rgb(0, 189, 230, 0.3);
  color: white;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  scrollbar-width: thin;
  scrollbar-color: gray transparent;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
.header {
  background: rgb(10, 10, 10, 0.8);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(15px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  user-select: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-primary {
  background: var(--accent);
  color: #000000;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 4rem 0;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(0, 217, 255, 0.05) 0%,
    transparent 50%
  );
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Search Section */
.search-section {
  margin-bottom: 3rem;
}

.search-container {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.search-input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-shortcut {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-tertiary);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Filters */
.filters {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  user-select: none;
  justify-content: center;
}

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

.filter-group:first-child {
  flex: 1;
  min-width: 100%;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.filter-separator {
  width: 1px;
  margin: 5px;
  height: 26px;
  background: var(--border);
  display: block;
}

.filter-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-tag:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-muted);
  color: var(--text-primary);
}

.filter-tag.active {
  background: var(--accent);
  color: black;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0, 217, 255, 0.2);
}

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.5s ease forwards;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.tool-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.tool-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.tool-logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 217, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  user-select: none;
}

.tool-info {
  flex: 1;
}

.tool-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.tool-category {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

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

.tool-footer {
  margin-top: auto;
}

.tool-badges,
.recommended-tool-name {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.badge,
.external-tool-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(0, 217, 255, 0.1);
  color: var(--accent);
  user-select: none;
}

.badge.popular {
  background: rgb(66, 135, 245, 0.1);
  color: #4287f5;
  font-weight: 600;
}

.tool-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tool-link {
  background: var(--accent);
  color: black;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
}

.tool-link:hover {
  background: var(--accent-hover);
}

.bookmark-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0.5rem;
  border-radius: 8px;
}

.bookmark-btn:hover,
.bookmark-btn.bookmarked {
  color: var(--accent);
  background: rgba(0, 217, 255, 0.1);
}

/* Bookmarks View */
.bookmarks-view {
  display: none;
  margin-bottom: 2rem;
}

.bookmarks-view.active {
  display: block;
}

.bookmarks-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.bookmarks-title {
  font-size: 2rem;
  font-weight: 600;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bookmarks-count {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.bookmarks-empty,
.search-empty,
.recommendations-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.bookmarks-empty i,
.search-empty i,
.recommendations-empty i {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.bookmarks-empty h3,
.search-empty h3,
.recommendations-empty h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.clear-filters-btn {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-top: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.clear-filters-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

/* Modal */
.modal {
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 95vh;
  overflow-y: auto;
  transform: scale(0.8) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 600;
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.2s ease;
}

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

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* Custom Select */
.custom-select {
  position: relative;
}

.select-button {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.select-button.placeholder {
  color: var(--text-muted);
}

.select-button:focus,
.select-button.active {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.select-arrow {
  transition: transform 0.2s ease;
}

.select-button.active .select-arrow {
  transform: rotate(180deg);
}

.select-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 4px;
  max-height: 175px;
  overflow-y: auto;
  z-index: 1000;
  display: none;
}

.select-dropdown.active {
  display: block;
}

.select-option {
  font-size: 13px;
  padding: 0.75rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
  color: var(--text-primary);
}

.select-option:hover {
  background: var(--bg-card-hover);
}

.select-option:first-child {
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}

.select-option:last-child {
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--accent);
  border: none;
  border-radius: 50%;
  color: #000;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 217, 255, 0.4);
}

/* Recommendations Modal Styles */
#recommendationsModal .modal-content {
  max-width: 800px;
  width: 95%;
  padding: 2.5rem;
}

.project-type-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.project-type-tag {
  padding: 0.5rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.project-type-tag:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-muted);
  color: var(--text-primary);
}

.project-type-tag.active {
  background: var(--accent);
  color: black;
  border-color: var(--accent);
}

.recommendations-results {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

.recommendations-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.recommendations-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

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

#recommendedTools {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.recommended-category {
  margin-top: 1.5rem;
}

.category-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.recommended-tools-list {
  display: grid;
  gap: 1rem;
}

.recommended-tool {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  transition: all 0.2s ease;
}

.recommended-tool:hover {
  background: var(--bg-card-hover);
}

.recommended-tool-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.recommended-tool-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.recommended-tool-reason {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.recommended-tool-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.tool-action-btn {
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.visit-tool-btn,
.search-tool-btn {
  background: var(--accent);
  color: black;
  border: none;
}

.visit-tool-btn:hover,
.search-tool-btn:hover {
  background: var(--accent-hover);
}

.view-tool-btn {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.view-tool-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-stats {
    gap: 2rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .search-icon,
  .search-shortcut {
    display: none;
  }

  .search-input {
    padding: 1rem;
  }

  .filters {
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }

  .filter-group {
    justify-content: center;
  }

  .filter-separator {
    display: none;
  }

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

  .filters {
    justify-content: center;
  }

  .nav {
    flex-direction: column;
    gap: 1rem;
  }

  .modal-content {
    max-width: none;
    width: 100%;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
    margin: 0;
  }

  #recommendationsModal .modal-content {
    max-width: none;
    width: 100%;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
    margin: 0;
  }

  .recommendations-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .recommendations-header h3 {
    margin-bottom: 0;
  }
}

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