/* ============================================
   prooph board Skills - Stylesheet
   Brand colors from prooph-board.com CI
   With light/dark mode support
   ============================================ */

/* Light Mode (default) */
:root {
  --color-bg: #ffffff;
  --color-bg-secondary: #f5f7fa;
  --color-bg-tertiary: #e8ecef;
  --color-bg-elevated: #ffffff;
  --color-text: #272727;
  --color-text-secondary: #64686d;
  --color-text-muted: #9aa0a6;
  --color-text-inverse: #ffffff;
  --color-link: #5aa2f0;
  --color-link-hover: #3d8ee0;
  --color-border: #e5e5e5;
  --color-border-dark: #c8c8c8;
  --color-accent: #5aa2f0;
  --color-accent-hover: #3d8ee0;
  --color-accent-light: #ddf0ff;
  --color-accent-gradient-start: #5aa2f0;
  --color-accent-gradient-end: #3d8ee0;
  --color-cta-gradient-start: #FD6E6A;
  --color-cta-gradient-end: #FFC600;
  --color-tag-bg: #ddf0ff;
  --color-tag-text: #222534;
  --color-tag-bg-hover: #c0e0ff;
  --color-success: #5aa2f0;
  --color-warning: #f39c12;
  --color-info: #55a2f6;
  --color-card-shadow: rgba(34, 37, 52, 0.08);
  --color-card-shadow-hover: rgba(34, 37, 52, 0.15);
  --color-code-bg: #f5f7fa;
  --color-markdown-table-header: #f5f7fa;
  --color-markdown-table-row-alt: #fafbfc;
  --color-markdown-blockquote-border: #e5e5e5;
  --color-markdown-blockquote-text: #64686d;
  --color-skill-card-hover-border: #5aa2f0;
  --color-sidebar-bg: #f5f7fa;
  --color-sidebar-border: #e5e5e5;
  --color-header-bg: rgba(255, 255, 255, 0.95);
  --color-header-border: #e5e5e5;
  --color-footer-bg: #ddf0ff;
  --color-footer-text: #64686d;
  --color-toggle-bg: #e5e5e5;
  --color-toggle-knob: #ffffff;
  --color-toggle-icon: #f39c12;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
  --max-width: 1200px;
  --header-height: 60px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --radius: 3px;
  --radius-lg: 6px;
  --shadow: 0 1px 3px var(--color-card-shadow);
  --shadow-hover: 0 4px 12px var(--color-card-shadow-hover);
  --transition: 0.2s ease;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-bg: #1a1a2e;
  --color-bg-secondary: #222534;
  --color-bg-tertiary: #2a2d3e;
  --color-bg-elevated: #2a2d3e;
  --color-text: #e8e8e8;
  --color-text-secondary: #b0b3b8;
  --color-text-muted: #7a7d86;
  --color-text-inverse: #1a1a2e;
  --color-link: #5aa2f0;
  --color-link-hover: #7ab4f3;
  --color-border: #333648;
  --color-border-dark: #444760;
  --color-accent: #5aa2f0;
  --color-accent-hover: #7ab4f3;
  --color-accent-light: #1e2a3a;
  --color-accent-gradient-start: #5aa2f0;
  --color-accent-gradient-end: #3d8ee0;
  --color-cta-gradient-start: #FD6E6A;
  --color-cta-gradient-end: #FFC600;
  --color-tag-bg: #2a3a4e;
  --color-tag-text: #c8d8e8;
  --color-tag-bg-hover: #344a62;
  --color-success: #5aa2f0;
  --color-warning: #f39c12;
  --color-info: #55a2f6;
  --color-card-shadow: rgba(0, 0, 0, 0.3);
  --color-card-shadow-hover: rgba(0, 0, 0, 0.5);
  --color-code-bg: #222534;
  --color-markdown-table-header: #222534;
  --color-markdown-table-row-alt: #1e2130;
  --color-markdown-blockquote-border: #333648;
  --color-markdown-blockquote-text: #b0b3b8;
  --color-skill-card-hover-border: #5aa2f0;
  --color-sidebar-bg: #222534;
  --color-sidebar-border: #333648;
  --color-header-bg: rgba(26, 26, 46, 0.95);
  --color-header-border: #333648;
  --color-footer-bg: #16162a;
  --color-footer-text: #b0b3b8;
  --color-toggle-bg: #333648;
  --color-toggle-knob: #5aa2f0;
  --color-toggle-icon: #FFC600;
  --shadow: 0 1px 3px var(--color-card-shadow);
  --shadow-hover: 0 4px 12px var(--color-card-shadow-hover);
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  line-height: 1.5;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background var(--transition), color var(--transition);
}

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

a:hover {
  text-decoration: underline;
  color: var(--color-link-hover);
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  width: 100%;
}

/* ============================================
   Theme Toggle
   ============================================ */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.theme-toggle-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-light);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
}

/* ============================================
   Header
   ============================================ */
.site-header {
  background: var(--color-header-bg);
  border-bottom: 1px solid var(--color-header-border);
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  transition: background var(--transition), border-color var(--transition);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-link:hover {
  text-decoration: none;
}

.logo {
  height: 32px;
  width: auto;
}

.site-title {
  background: linear-gradient(135deg, var(--color-accent-gradient-start), var(--color-accent-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
  font-size: 1.25rem;
  white-space: nowrap;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--color-text-secondary);
  font-weight: 500;
  padding: var(--spacing-sm) 0;
  transition: color var(--transition);
}

.nav-link:hover {
  color: var(--color-link);
  text-decoration: none;
}

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.github-link svg {
  flex-shrink: 0;
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
  flex: 1;
  padding: var(--spacing-xl) 0;
}

/* Content Layout (main + sidebar) */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--spacing-xl);
  align-items: start;
}

.content-main {
  min-width: 0;
}

/* Sidebar */
.content-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-lg));
}

.sidebar-card {
  background: var(--color-sidebar-bg);
  border: 1px solid var(--color-sidebar-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: background var(--transition), border-color var(--transition);
}

.sidebar-card-title {
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.sidebar-card-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
}

.sidebar-cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-cta-gradient-start), var(--color-cta-gradient-end));
  color: #ffffff;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  width: 100%;
  transition: opacity var(--transition), transform var(--transition);
  text-decoration: none;
}

.sidebar-cta-button:hover {
  opacity: 0.9;
  text-decoration: none;
  color: #ffffff;
  transform: translateY(-1px);
}

.sidebar-reward {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-accent-light);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  color: var(--color-accent);
}

.sidebar-reward svg {
  flex-shrink: 0;
}

/* ============================================
   Overview Page
   ============================================ */
.overview-header {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.overview-header h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.overview-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.skill-count {
  display: inline-block;
  background: var(--color-accent-light);
  color: var(--color-accent);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.875rem;
}

/* Tag Cloud */
.tag-cloud-section {
  margin-bottom: var(--spacing-xxl);
}

.tag-cloud-section h2 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.tag-cloud-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--color-tag-bg);
  border: 1px solid transparent;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius);
  color: var(--color-tag-text);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition);
}

.tag-cloud-item:hover {
  border-color: var(--color-accent);
  background: var(--color-tag-bg-hover);
  color: var(--color-link);
  text-decoration: none;
  transform: translateY(-1px);
}

.tag-count {
  background: var(--color-bg-tertiary);
  padding: 2px 6px;
  border-radius: 10px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* Category Section */
.category-section {
  margin-bottom: var(--spacing-xxl);
}

.category-title {
  color: var(--color-text-secondary);
  font-size: 1.5rem;
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--color-border);
  text-transform: capitalize;
}

/* Subcategory Section */
.subcategory-section {
  margin-bottom: var(--spacing-xl);
}

.subcategory-section:last-child {
  margin-bottom: 0;
}

.subcategory-title {
  color: var(--color-text-secondary);
  font-size: 1.25rem;
  padding-bottom: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  text-transform: capitalize;
}

/* Skill Grid */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

/* Skill Card */
.skill-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}

.skill-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--color-skill-card-hover-border);
  transform: translateY(-2px);
}

.skill-card-link {
  text-decoration: none;
  color: inherit;
}

.skill-card-link:hover .skill-name {
  color: var(--color-link);
}

.skill-name {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  transition: color var(--transition);
  color: var(--color-text);
}

.skill-version {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-mono);
}

.skill-description {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.5;
  flex: 1;
  margin-bottom: var(--spacing-md);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.tag-link {
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  padding: 2px 8px;
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 500;
  transition: all var(--transition);
}

.tag-link:hover {
  background: var(--color-tag-bg-hover);
  color: var(--color-link);
  text-decoration: none;
}

.skill-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

/* ============================================
   Skill Detail Page
   ============================================ */
.skill-detail {
  max-width: 900px;
  margin: 0 auto;
}

.skill-detail-header {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.skill-detail-title-section {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.skill-detail-name {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

.skill-detail-version {
  color: var(--color-text-muted);
  font-size: 1rem;
  font-family: var(--font-mono);
}

.download-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-cta-gradient-start), var(--color-cta-gradient-end));
  color: #ffffff;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius);
  font-weight: 600;
  white-space: nowrap;
  transition: opacity var(--transition), transform var(--transition);
}

.download-button:hover {
  opacity: 0.9;
  text-decoration: none;
  color: #ffffff;
  transform: translateY(-1px);
}

.download-button svg {
  flex-shrink: 0;
}

.skill-detail-description {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

/* Meta Info */
.skill-detail-meta {
  background: var(--color-bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  transition: background var(--transition);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  font-weight: 600;
}

.meta-value {
  font-size: 0.9375rem;
  color: var(--color-text);
}

.tags-meta .meta-value {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

/* Tabs */
.skill-detail-tabs {
  display: flex;
  gap: 0;
  margin-top: var(--spacing-xl);
  border-bottom: 2px solid var(--color-border);
}

.tab-button {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.tab-button:hover {
  color: var(--color-text);
}

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

.tab-panel {
  display: none;
  padding: var(--spacing-lg) 0;
}

.tab-panel.active {
  display: block;
}

/* ============================================
   Markdown Body Styles (GitHub-like)
   ============================================ */
.markdown-body {
  font-size: 1rem;
  line-height: 1.6;
  word-wrap: break-word;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
}

.markdown-body h1 {
  font-size: 2em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--color-border);
}

.markdown-body h2 {
  font-size: 1.5em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--color-border);
}

.markdown-body h3 {
  font-size: 1.25em;
}

.markdown-body p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.markdown-body a {
  text-decoration: none;
}

.markdown-body a:hover {
  text-decoration: underline;
}

.markdown-body img {
  max-width: 100%;
  height: auto;
  margin: var(--spacing-md) 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: zoom-in;
  transition: opacity var(--transition);
}

.markdown-body img:hover {
  opacity: 0.92;
}

/* Image overlay */
.image-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.85);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.image-overlay.active {
  display: flex;
}

.image-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  margin: 0;
}

/* Magnifying glass icon on hover */
.markdown-body img {
  position: relative;
}

.markdown-body .img-wrapper {
  display: inline-block;
  position: relative;
  cursor: zoom-in;
}

.markdown-body .img-wrapper .magnify-icon {
  display: none;
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  pointer-events: none;
}

.markdown-body .img-wrapper:hover .magnify-icon {
  display: flex;
}

.markdown-body .img-wrapper .magnify-icon svg {
  width: 18px;
  height: 18px;
}

.markdown-body video {
  max-width: 100%;
  height: auto;
  margin: var(--spacing-md) 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.markdown-body code {
  padding: 0.2em 0.4em;
  margin: 0;
  font-size: 85%;
  background-color: var(--color-code-bg);
  border-radius: var(--radius);
  font-family: var(--font-mono);
}

.markdown-body pre {
  padding: var(--spacing-md);
  overflow: auto;
  font-size: 85%;
  line-height: 1.45;
  background-color: var(--color-code-bg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
}

.markdown-body pre code {
  padding: 0;
  margin: 0;
  font-size: 100%;
  background-color: transparent;
}

.markdown-body table {
  display: table;
  width: 100%;
  margin-bottom: var(--spacing-md);
  border-spacing: 0;
  border-collapse: collapse;
}

.markdown-body table th,
.markdown-body table td {
  padding: 6px 13px;
  border: 1px solid var(--color-border);
}

.markdown-body table th {
  font-weight: 600;
  background-color: var(--color-markdown-table-header);
}

.markdown-body table tr {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.markdown-body table tr:nth-child(2n) {
  background-color: var(--color-markdown-table-row-alt);
}

/* Frontmatter table (YAML frontmatter rendered as two-column table) */
.markdown-body table.frontmatter {
  display: table;
  width: 100%;
  margin-bottom: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.markdown-body table.frontmatter th {
  text-align: left;
  width: 140px;
  color: var(--color-text-muted);
  font-weight: 500;
  border-right: 1px solid var(--color-border);
}

.markdown-body table.frontmatter td {
  border-left: none;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 2em;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.markdown-body li {
  margin-bottom: var(--spacing-xs);
}

.markdown-body blockquote {
  margin: var(--spacing-md) 0;
  padding: 0 1em;
  color: var(--color-markdown-blockquote-text);
  border-left: 0.25em solid var(--color-markdown-blockquote-border);
}

.markdown-body hr {
  height: 2px;
  padding: 0;
  margin: var(--spacing-xl) 0;
  background-color: var(--color-border);
  border: 0;
}

/* ============================================
   Tag Page
   ============================================ */
.tag-page {
  max-width: 1200px;
  margin: 0 auto;
}

.breadcrumb {
  margin-bottom: var(--spacing-lg);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-secondary);
}

.breadcrumb-current {
  color: var(--color-text);
}

.tag-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.tag-badge {
  background: linear-gradient(135deg, var(--color-accent-gradient-start), var(--color-accent-gradient-end));
  color: #ffffff;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius);
  font-size: 1.25rem;
  font-weight: 700;
}

.tag-skill-count {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.tag-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xxl);
  transition: background var(--transition);
}

.footer-content {
  text-align: center;
  color: var(--color-footer-text);
  font-size: 0.875rem;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .skill-grid {
    grid-template-columns: 1fr;
    padding: 0 var(--spacing-sm);
  }

  .skill-card {
    margin: 0 var(--spacing-sm);
  }

  .content-layout {
    grid-template-columns: 1fr;
  }

  .content-sidebar {
    order: -1;
    position: static;
    margin: 0 var(--spacing-sm) var(--spacing-lg);
  }

  .tag-cloud {
    margin: 0 var(--spacing-sm);
  }

  .skill-detail-title-section {
    flex-direction: column;
    align-items: flex-start;
  }

  .download-button {
    width: 100%;
    justify-content: center;
  }

  .skill-detail-meta {
    grid-template-columns: 1fr;
  }

  .overview-header h1 {
    font-size: 2rem;
  }

  .skill-detail {
    padding: 0 var(--spacing-sm);
  }

  h2 {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .header-content {
    flex-direction: column;
    height: auto;
    padding: var(--spacing-sm) 0;
  }
  
  .header-nav {
    gap: var(--spacing-md);
  }
  
  :root {
    --header-height: auto;
  }
  
  .site-header {
    position: static;
  }
}