:root {
  /* Dark Theme Colors - GitHub Dark inspired but more vibrant */
  --color-background-primary: #0d1117;
  --color-background-secondary: #161b22;
  --color-text-primary: #f0f6fc;
  --color-text-secondary: #8b949e;
  --color-border-secondary: #30363d;
  --color-border-tertiary: #21262d;
  
  --color-accent: #58a6ff;
  
  --color-background-info: rgba(56, 139, 253, 0.15);
  --color-text-info: #79c0ff;
  
  --color-background-warning: rgba(210, 153, 34, 0.15);
  --color-text-warning: #e3b341;
  
  --color-background-success: rgba(46, 160, 67, 0.15);
  --color-text-success: #7ee787;
  
  --color-background-danger: rgba(248, 81, 73, 0.15);
  --color-text-danger: #ff7b72;

  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  
  --border-radius-md: 10px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  background-color: var(--color-background-primary);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Layout Utilities */
.roadmap-wrapper {
  padding: 1rem 0 2rem;
}

.header-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.header-title {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-text-primary);
  font-family: var(--font-mono);
}

.header-subtitle {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.filter-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

/* Common Components */
.fBtn {
  transition: var(--transition);
  font-size: 11px;
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid var(--color-border-secondary);
  background: var(--color-background-secondary);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-family: var(--font-mono);
  outline: none;
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: lowercase;
}

.fBtn.active {
  background: var(--color-text-primary) !important;
  color: var(--color-background-primary) !important;
  border-color: var(--color-text-primary) !important;
  box-shadow: 0 0 15px rgba(240, 246, 252, 0.2);
}

.fBtn:not(.active):hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
  background: var(--color-border-tertiary);
}

#search {
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 1.5rem;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  border-radius: var(--border-radius-md);
  border: 0.5px solid var(--color-border-secondary);
  background: var(--color-background-secondary);
  color: var(--color-text-primary);
  outline: none;
}

#search:focus {
  border-color: #58a6ff !important;
  box-shadow: 0 0 0 3px rgba(56, 139, 253, 0.3);
}

#stats {
  display: flex;
  gap: 12px;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

#grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

/* Card Styling */
.tool-card {
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  background: var(--color-background-secondary);
  border: 1px solid var(--color-border-tertiary);
  border-left: 4px solid transparent; /* Increased for category color */
  border-radius: var(--border-radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-sizing: border-box;
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  border-color: var(--color-border-secondary);
  background: #1c2128;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 5px;
}

.card-title-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-text-primary);
  font-family: var(--font-mono);
}

.card-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin: 8px 0 16px;
  line-height: 1.6;
  flex-grow: 1;
}

.text-danger {
  color: var(--color-text-danger) !important;
}

.tool-link {
  font-size: 12px;
  opacity: 0.5;
  transition: opacity 0.2s ease;
}

.tool-card:hover .tool-link {
  opacity: 1;
}

#empty {
  display: none;
  text-align: center;
  padding: 3rem 0;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 13px;
}

.legend {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 0.5px solid var(--color-border-tertiary);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.legend-item {
  font-size: 11px;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
}

.pill, .tag-pill {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 8px;
  font-family: var(--font-mono);
  display: inline-block;
}

.tag-info {
  background: var(--color-background-info);
  color: var(--color-text-info);
}

.tag-warning {
  background: var(--color-background-warning);
  color: var(--color-text-warning);
}

.tag-success {
  background: var(--color-background-success);
  color: var(--color-text-success);
}

.tag-danger {
  background: var(--color-background-danger);
  color: var(--color-text-danger);
}

.tag-default {
  background: var(--color-background-secondary);
  color: var(--color-text-secondary);
}

.tag-container {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.stats-tag {
  font-size: 10px;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid transparent;
  background: var(--color-background-secondary);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  transition: var(--transition);
}

.stats-count {
  font-size: 12px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 500;
}

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