:root {
  --elastic-blue: #0077CC;
  --elastic-dark: #1A1A2E;
  --elastic-light: #F5F7FA;
  --text-primary: #1A1A2E;
  --text-secondary: #6B7280;
  --border: #E5E7EB;
  --card-bg: #FFFFFF;
  --badge-bg: #EBF5FF;
  --badge-text: #0077CC;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--elastic-light);
  color: var(--text-primary);
  line-height: 1.5;
}

header {
  background: var(--elastic-dark);
  color: white;
  padding: 2rem;
}

header h1 { font-size: 1.75rem; font-weight: 700; }

.subtitle {
  color: #9CA3AF;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: block;
}

.stats {
  color: #9CA3AF;
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
}

.controls {
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

#search {
  width: 100%;
  padding: 0.625rem 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  margin-bottom: 1rem;
  outline: none;
}

#search:focus {
  border-color: var(--elastic-blue);
  box-shadow: 0 0 0 3px rgba(0, 119, 204, 0.12);
}

.filters { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: center; }
.filter-group { display: flex; align-items: center; gap: 0.5rem; }

.filter-group label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}

.toggle-group { display: flex; gap: 0.375rem; }

.toggle {
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: white;
  font-size: 0.8125rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.15s;
}

.toggle:hover { border-color: var(--elastic-blue); color: var(--elastic-blue); }
.toggle.active { background: var(--elastic-blue); border-color: var(--elastic-blue); color: white; }

#repo-filter {
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.8125rem;
  color: var(--text-primary);
  background: white;
  cursor: pointer;
}

.result-count {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

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

@media (max-width: 1024px) { .skills-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .skills-grid { grid-template-columns: 1fr; } }

.skill-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: box-shadow 0.15s;
  min-width: 0; /* prevent grid blowout */
  overflow: hidden;
}

.skill-card:hover { box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); }

.skill-name { font-size: 1rem; font-weight: 600; color: var(--text-primary); overflow-wrap: break-word; }
.skill-description { font-size: 0.875rem; color: var(--text-secondary); flex: 1; overflow-wrap: break-word; }
.skill-repo { font-size: 0.75rem; color: var(--text-secondary); font-family: monospace; overflow-wrap: break-word; }

.badges { display: flex; gap: 0.375rem; flex-wrap: wrap; min-height: 1.5rem; }

.badge {
  padding: 0.125rem 0.5rem;
  border-radius: 12px;
  font-size: 0.6875rem;
  font-weight: 500;
  background: var(--badge-bg);
  color: var(--badge-text);
  text-transform: capitalize;
}

.skill-meta { font-size: 0.75rem; color: var(--text-secondary); }

.skill-link {
  display: inline-block;
  margin-top: 0.25rem;
  color: var(--elastic-blue);
  font-size: 0.875rem;
  text-decoration: none;
  font-weight: 500;
}

.skill-link:hover { text-decoration: underline; }

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
}

.view-toggle-group { margin-left: auto; }

/* Table view */
.skills-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.875rem;
}

.skills-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  background: var(--elastic-light);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.skills-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.skills-table tr:last-child td { border-bottom: none; }
.skills-table tr:hover td { background: var(--elastic-light); }

.skills-table .col-name { font-weight: 600; color: var(--text-primary); overflow-wrap: break-word; min-width: 8rem; }
.skills-table .col-desc { color: var(--text-secondary); overflow-wrap: break-word; max-width: 28rem; }
.skills-table .col-repo { font-family: monospace; font-size: 0.75rem; color: var(--text-secondary); white-space: nowrap; }
.skills-table .col-platforms { white-space: nowrap; }
.skills-table .col-updated { white-space: nowrap; color: var(--text-secondary); font-size: 0.75rem; }
.skills-table .col-link a {
  color: var(--elastic-blue);
  text-decoration: none;
  font-weight: 500;
  white-space: nowrap;
}
.skills-table .col-link a:hover { text-decoration: underline; }

.empty-table {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
}

.repo-group { margin-bottom: 2rem; }

.repo-group-heading {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: monospace;
  padding: 0.5rem 0;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.badge-dev_tool { background: #E6F4EA; color: #1E7E34; }
.badge-feature  { background: #FFF3CD; color: #856404; }
.badge-unclear  { background: #F3F4F6; color: #6B7280; }

.repo-group-row td {
  background: var(--elastic-light);
  font-family: monospace;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.5rem 1rem;
}