/* CSS Variables - Dollhouse Editorial Ink Palette */
:root {
  --color-bg: #FBF7F4;
  --color-surface: #FFFFFF;
  --color-text: #1E1B1C;
  --color-muted: #5C5658;
  --color-border: #E6D8D2;
  --color-primary: #6B2D5C;
  --color-secondary: #2E4057;
  --color-accent: #D98C5F;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(46, 64, 87, 0.12);
  --measure: 68ch;
  --font-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-serif: Georgia, 'Times New Roman', serif;
  --transition-speed: 0.2s;
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

/* Typography Scale with clamp() */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  line-height: 1.2;
  margin-bottom: 0.75em;
  font-weight: 600;
  color: var(--color-primary);
}

h1 {
  font-size: clamp(1.875rem, 1.5rem + 2vw, 3rem);
  margin-bottom: 1em;
}

h2 {
  font-size: clamp(1.5rem, 1.25rem + 1.25vw, 2.25rem);
  margin-top: 1.5em;
}

h3 {
  font-size: clamp(1.25rem, 1.125rem + 0.625vw, 1.75rem);
  margin-top: 1.25em;
  color: var(--color-secondary);
}

p, li {
  max-width: var(--measure);
  margin-bottom: 1em;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  transition: color var(--transition-speed) ease, text-decoration-color var(--transition-speed) ease;
}

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

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Layout - CSS Grid for Page Frame */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Header */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.site-name {
  font-size: clamp(1.25rem, 1.125rem + 0.625vw, 1.5rem);
  font-weight: 700;
  font-family: var(--font-serif);
  color: var(--color-primary);
  margin: 0;
}

.site-name a {
  color: inherit;
  text-decoration: none;
}

.site-name a:hover {
  color: var(--color-accent);
}

/* Navigation - Flexbox Cluster */
.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.main-nav a {
  display: block;
  padding: 0.5rem 1rem;
  background-color: var(--color-bg);
  color: var(--color-secondary);
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 500;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

.main-nav a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Breadcrumbs */
.breadcrumbs {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
  font-size: 0.9rem;
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.breadcrumbs li:not(:last-child)::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--color-muted);
}

.breadcrumbs a {
  color: var(--color-secondary);
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
  color: var(--color-primary);
}

.breadcrumbs [aria-current="page"] {
  color: var(--color-muted);
}

/* Main Content */
main {
  padding: 2.5rem 0;
  min-height: 60vh;
}

article {
  background-color: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

@media (min-width: 768px) {
  article {
    padding: 3rem;
  }
}

section {
  margin-bottom: 2.5rem;
}

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

aside {
  background-color: var(--color-bg);
  padding: 1.5rem;
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  margin-top: 2rem;
}

aside h2 {
  font-size: clamp(1.125rem, 1rem + 0.5vw, 1.5rem);
  margin-top: 0;
}

/* Tables - Semantic, Responsive, Zebra Striping */
.table-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-surface);
  font-size: 0.95rem;
}

caption {
  font-weight: 600;
  text-align: left;
  padding: 1rem;
  background-color: var(--color-primary);
  color: var(--color-surface);
  font-size: 1.05rem;
  border-radius: var(--radius) var(--radius) 0 0;
}

thead {
  background-color: var(--color-secondary);
  color: var(--color-surface);
}

thead th {
  padding: 0.875rem 1rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--color-border);
}

tbody tr {
  border-bottom: 1px solid var(--color-border);
}

tbody tr:nth-child(even) {
  background-color: var(--color-bg);
}

tbody tr:hover {
  background-color: rgba(107, 45, 92, 0.05);
}

tbody td {
  padding: 0.875rem 1rem;
  vertical-align: top;
}

@media (min-width: 1024px) {
  thead {
    position: sticky;
    top: 0;
    z-index: 10;
  }
  
  table {
    font-size: 1rem;
  }
  
  thead th,
  tbody td {
    padding: 1rem 1.25rem;
  }
}

/* Details/Summary Accordion - No JavaScript */
details {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  transition: box-shadow var(--transition-speed) ease;
}

details:hover {
  box-shadow: var(--shadow);
}

details[open] {
  box-shadow: var(--shadow);
}

summary {
  font-weight: 600;
  cursor: pointer;
  color: var(--color-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  transition: color var(--transition-speed) ease;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  transition: transform var(--transition-speed) ease;
}

details[open] summary::after {
  content: '−';
  transform: rotate(0deg);
}

summary:hover {
  color: var(--color-accent);
}

summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

details p {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  max-width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  summary::after {
    transition: none;
  }
}

/* Blockquote Styling */
blockquote {
  border-left: 4px solid var(--color-accent);
  background-color: rgba(217, 140, 95, 0.08);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--color-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* Footer */
.site-footer {
  background-color: var(--color-secondary);
  color: var(--color-surface);
  padding: 2rem 0;
  margin-top: 3rem;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.site-footer p {
  margin: 0;
  max-width: 100%;
}

/* Responsive Breakpoints */
@media (min-width: 768px) {
  main {
    padding: 3rem 0;
  }
  
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 1024px) {
  body {
    font-size: 1.125rem;
  }
  
  main {
    padding: 4rem 0;
  }
  
  article {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  aside {
    margin-top: 0;
  }
}

/* Accessible Focus States */
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Reduced Motion Fallback */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Print Styles */
@media print {
  .site-header,
  .site-footer,
  .breadcrumbs,
  nav {
    display: none;
  }
  
  body {
    background-color: white;
    color: black;
  }
  
  a {
    text-decoration: underline;
    color: black;
  }
  
  article {
    box-shadow: none;
    padding: 0;
  }
}