/* ============================================================
   Skill Marketplace — Custom CSS
   Supplements Tailwind CDN utilities.
   Brand: Oddball — #00a187 teal-green, white-dominant, pill buttons
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-brand: #00a187;
  --color-brand-dark: #007d68;
  --color-brand-light: #33b59f;
  --color-sidebar-bg: #ffffff;
  --color-sidebar-border: #e5e7eb;
  --color-sidebar-text: #111827;
  --color-card-bg: #ffffff;
  --color-card-border: #e5e7eb;
  --color-body-bg: #f9fafb;
  --color-text-primary: #111827;
  --color-text-muted: #6b7280;
  --transition-default: 200ms ease;
}

/* ---------- Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  background-color: var(--color-body-bg);
  color: var(--color-text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Focus Styles ---------- */
:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Sidebar ---------- */
.sidebar {
  background-color: var(--color-sidebar-bg);
  color: var(--color-sidebar-text);
}

/* Only the vertical aside sidebar gets full height */
aside.sidebar {
  min-height: 100vh;
  border-right: 1px solid var(--color-sidebar-border);
}

.sidebar a,
.sidebar button {
  color: var(--color-sidebar-text);
}

/* ---------- Skill Cards ---------- */
.skill-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  transition: box-shadow var(--transition-default), transform var(--transition-default);
}

.skill-card:hover {
  box-shadow: 0 4px 24px rgba(0, 161, 135, 0.14);
  transform: translateY(-2px);
}

.skill-card:focus-within {
  box-shadow: 0 0 0 2px var(--color-brand);
}

.skill-card__description {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--color-text-muted);
}

/* ---------- Mobile Filter Drawer ---------- */
#filter-drawer {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  pointer-events: none;
}

#filter-drawer.is-open {
  pointer-events: auto;
}

#filter-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity var(--transition-default);
}

#filter-drawer.is-open #filter-drawer__backdrop {
  opacity: 1;
}

#filter-drawer__panel {
  position: relative;
  width: 280px;
  max-width: 85vw;
  background-color: #ffffff;
  color: #111827;
  border-right: 1px solid #e5e7eb;
  height: 100%;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform var(--transition-default);
  padding: 1.5rem;
}

#filter-drawer.is-open #filter-drawer__panel {
  transform: translateX(0);
}

/* ---------- Category Filter Buttons ---------- */
.category-btn {
  transition: background-color var(--transition-default), color var(--transition-default);
  border-radius: 9999px;
}

.category-btn.active {
  background-color: var(--color-brand);
  color: #ffffff;
}

/* ---------- Featured Badge ---------- */
.badge-featured {
  background-color: var(--color-brand);
  color: #ffffff;
}

/* ---------- Prose (Markdown Rendering) ---------- */
.prose {
  color: var(--color-text-primary);
  max-width: 72ch;
  line-height: 1.75;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  font-weight: 700;
  margin-top: 1.75em;
  margin-bottom: 0.75em;
  color: var(--color-text-primary);
}

.prose h1 { font-size: 1.75rem; }
.prose h2 { font-size: 1.35rem; border-bottom: 1px solid var(--color-card-border); padding-bottom: 0.25em; }
.prose h3 { font-size: 1.15rem; }

.prose p {
  margin-bottom: 1em;
}

.prose ul,
.prose ol {
  margin: 0.75em 0 1em 1.5em;
}

.prose li {
  margin-bottom: 0.35em;
}

.prose pre {
  background: #1a2e2b;
  color: #ccf0ec;
  padding: 1rem 1.25rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 1em 0;
}

.prose code {
  background: rgba(0, 161, 135, 0.1);
  color: var(--color-brand-dark);
  padding: 0.15em 0.4em;
  border-radius: 0.25rem;
  font-size: 0.875em;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

.prose pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}

.prose blockquote {
  border-left: 3px solid var(--color-brand);
  padding-left: 1em;
  color: var(--color-text-muted);
  font-style: italic;
  margin: 1em 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
  font-size: 0.9rem;
}

.prose th {
  background: rgba(0, 161, 135, 0.08);
  font-weight: 600;
  text-align: left;
  padding: 0.5em 0.75em;
  border-bottom: 2px solid var(--color-card-border);
}

.prose td {
  padding: 0.5em 0.75em;
  border-bottom: 1px solid var(--color-card-border);
}

.prose a {
  color: var(--color-brand);
  text-decoration: underline;
}

.prose a:hover {
  color: var(--color-brand-dark);
}

/* ---------- Download / Install Panel ---------- */
.install-panel {
  background: linear-gradient(135deg, rgba(0, 161, 135, 0.06), rgba(0, 125, 104, 0.04));
  border: 1px solid rgba(0, 161, 135, 0.25);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

/* ---------- Loading Skeleton ---------- */
.skeleton {
  background: linear-gradient(90deg, var(--color-card-border) 25%, rgba(229,231,235,0.4) 50%, var(--color-card-border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 0.375rem;
}

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

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-text-muted);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-card-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }