/* ============================================================
   Claude Code Skill Dictionary — Styles
   ============================================================ */

:root {
  --bg: #fff7ed;
  --bg-surface: #ffedd5;
  --bg-card: #ffffff;
  --bg-hover: #fed7aa;
  --border: #fdba74;
  --border-subtle: #fed7aa;
  --text: #1c1917;
  --text-muted: #57534e;
  --text-subtle: #a8a29e;
  --accent: #f97316;
  --accent-soft: #ea580c;
  --accent-bg: #fff7ed;
  --link: #c2410c;
  --link-hover: #9a3412;
  --code-bg: #f5f5f4;
  --tag-bg: #fed7aa;
  --tag-text: #c2410c;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 2px 8px rgba(249,115,22,0.12);
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

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

html { font-size: 16px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-hover); text-decoration: underline; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Header ---- */
.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo-icon { font-size: 22px; line-height: 1; }

.logo-text {
  font-size: 13px;
  line-height: 1.3;
  color: var(--text-muted);
}

.logo-text strong {
  display: block;
  font-size: 15px;
  color: var(--text);
  font-weight: 600;
}

.header-meta {
  font-size: 12px;
  color: var(--text-subtle);
}

.breadcrumb a {
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb a:hover { color: var(--text); }

/* ---- Hero ---- */
.hero {
  padding: 40px 0 24px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 28px;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--text) 60%, var(--accent-soft));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  margin: 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* ---- Search ---- */
.search-bar {
  position: relative;
  margin-bottom: 20px;
}

#search-input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s;
}

#search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

#search-input::placeholder { color: var(--text-subtle); }

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  pointer-events: none;
  opacity: 0.6;
}

/* ---- Filter tags ---- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  min-height: 0;
}

.filter-tag {
  padding: 4px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.12s;
}

.filter-tag:hover { border-color: var(--accent); color: var(--text); }
.filter-tag.active {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent-soft);
}

/* ---- Skills Grid ---- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 60px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s, box-shadow 0.15s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.skill-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(249,115,22,0.18);
  text-decoration: none;
  color: inherit;
}

.skill-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.skill-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  font-family: var(--font-mono);
  word-break: break-all;
}

.skill-badge {
  flex-shrink: 0;
  font-size: 10px;
  padding: 2px 7px;
  background: var(--accent-bg);
  color: var(--accent-soft);
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.skill-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.skill-meta {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--text-subtle);
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
}

.skill-meta-item { display: flex; align-items: center; gap: 4px; }

/* ---- No results ---- */
.no-results {
  text-align: center;
  padding: 60px 0;
  color: var(--text-muted);
}

/* ---- Loading ---- */
.loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 0;
  color: var(--text-muted);
  font-size: 14px;
}

/* ---- Footer ---- */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 20px 0;
  font-size: 12px;
  color: var(--text-subtle);
  text-align: center;
}

/* ============================================================
   Skill Detail Page
   ============================================================ */

.skill-detail-page {
  padding-top: 36px;
  padding-bottom: 80px;
}

.skill-detail-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.skill-detail-meta h1 {
  margin: 0;
  font-size: 26px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text);
}

.skill-detail-info {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: var(--text-muted);
  margin-left: auto;
}

.skill-detail-info span { display: flex; align-items: center; gap: 4px; }

.skill-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--accent-bg);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--accent-soft);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}

.skill-copy-btn:hover { background: rgba(217, 119, 6, 0.22); }
.skill-copy-btn.copied { color: #3fb950; border-color: #3fb950; background: rgba(63, 185, 80, 0.1); }

/* ---- Markdown content ---- */
.markdown-body {
  max-width: 860px;
}

.markdown-body h1 { font-size: 24px; margin-top: 0; }
.markdown-body h2 { font-size: 20px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.markdown-body h3 { font-size: 17px; }
.markdown-body h4 { font-size: 15px; }

.markdown-body p { margin: 10px 0; }

.markdown-body a { color: var(--link); }
.markdown-body a:hover { color: var(--link-hover); }

.markdown-body code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: #e6edf3;
}

.markdown-body pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  overflow-x: auto;
  margin: 16px 0;
}

.markdown-body pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  color: #e6edf3;
}

.markdown-body blockquote {
  border-left: 3px solid var(--accent);
  margin: 12px 0;
  padding: 8px 16px;
  background: var(--accent-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 16px 0;
  overflow-x: auto;
  display: block;
}

.markdown-body th {
  background: var(--bg-surface);
  text-align: left;
  padding: 8px 12px;
  border: 1px solid var(--border);
  font-weight: 600;
}

.markdown-body td {
  padding: 7px 12px;
  border: 1px solid var(--border);
  vertical-align: top;
}

.markdown-body tr:nth-child(even) td { background: var(--bg-surface); }

.markdown-body ul, .markdown-body ol { padding-left: 24px; }
.markdown-body li { margin: 4px 0; }

.markdown-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

.markdown-body img { max-width: 100%; border-radius: var(--radius-sm); }

/* ---- Tabs ---- */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 28px;
}

.tab-btn {
  padding: 10px 22px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  letter-spacing: 0.02em;
}

.tab-btn:hover { color: var(--accent); }

.tab-btn.active {
  color: var(--accent-soft);
  border-bottom-color: var(--accent);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* 活用事例タブ */
.usecase-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.usecase-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}

.usecase-empty {
  color: var(--text-muted);
  font-size: 14px;
  padding: 32px 0;
  text-align: center;
}

/* ---- Usecases layout ---- */
.usecases-layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.star-sidebar {
  flex-shrink: 0;
  width: 120px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 12px;
  position: sticky;
  top: 80px;
}

.star-sidebar-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.star-filter-btn {
  display: block;
  width: 100%;
  text-align: left;
  padding: 7px 10px;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.12s;
  margin-bottom: 4px;
  white-space: nowrap;
}

.star-filter-btn:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.star-filter-btn.active {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent-soft);
  font-weight: 600;
}

.star-filter-count {
  font-size: 11px;
  color: var(--text-subtle);
  margin-left: 4px;
}

.usecases-main {
  flex: 1;
  min-width: 0;
}

/* ---- Usecases list ---- */
.usecases-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 60px;
}

.usecase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
}

.usecase-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.usecase-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}

.usecase-difficulty {
  flex-shrink: 0;
  font-size: 15px;
  letter-spacing: 2px;
  color: var(--accent);
}

.usecase-sections {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.usecase-section {
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.usecase-section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.usecase-section-body {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

.usecase-meta {
  font-size: 11px;
  color: var(--text-subtle);
  display: flex;
  gap: 14px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

/* ---- Responsive ---- */
@media (max-width: 1000px) {
  .usecases-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .skills-grid { grid-template-columns: 1fr; }
  .usecases-list { grid-template-columns: 1fr; }
  .usecases-layout { flex-direction: column; }
  .star-sidebar { width: 100%; position: static; display: flex; flex-wrap: wrap; gap: 6px; }
  .star-filter-btn { width: auto; }
  .hero h1 { font-size: 22px; }
  .container { padding: 0 16px; }
  .skill-detail-meta { flex-direction: column; align-items: flex-start; }
  .skill-detail-info { margin-left: 0; }
}