/* OED Frontend - Vintage Print Theme
   Evokes Victorian-era typography and bookmaking
   ============================================ */

/* ============================================
   Theme Variables
   ============================================ */
:root {
  /* Colors - Aged parchment palette */
  --color-bg: #f4efe4;
  --color-surface: #faf8f3;
  --color-text: #2c2416;
  --color-text-muted: #5c5346;
  --color-border: #c4b89e;
  --color-border-focus: #8b7355;
  --color-accent: #6b3a1f;
  --color-accent-hover: #4a2815;

  /* Extended palette */
  --color-gold: #b8973a;
  --color-rule: #8b7355;
  --color-cream: #fdfbf7;
  --color-shadow: rgba(44, 36, 22, 0.12);

  /* Typography - Classic book typefaces */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'EB Garamond', 'Crimson Text', Georgia, serif;

  /* Shadows - Warm tones */
  --shadow-inset: inset 0 1px 3px rgba(44, 36, 22, 0.15);
  --shadow-sm: 0 1px 3px var(--color-shadow);
  --shadow-md: 0 3px 8px var(--color-shadow);
}

/* ============================================
   Background Texture
   Subtle paper grain effect
   ============================================ */
body {
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(139, 115, 85, 0.02) 2px,
      rgba(139, 115, 85, 0.02) 4px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(139, 115, 85, 0.02) 2px,
      rgba(139, 115, 85, 0.02) 4px
    );
}

/* ============================================
   Header / Title Styling
   ============================================ */
.site-header {
  padding: var(--spacing-lg) 0 var(--spacing-xl);
}

/* Decorative rule above title */
.site-header::before {
  content: '';
  display: block;
  width: 200px;
  height: 3px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-rule) 20%,
    var(--color-rule) 80%,
    transparent
  );
}

.site-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
}

.site-tagline {
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  font-variant: small-caps;
  letter-spacing: 0.25em;
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
}

/* Decorative separator between tagline words */
.site-tagline .separator {
  display: inline-block;
  margin: 0 0.3em;
  color: var(--color-gold);
}

/* Decorative rule below header */
.site-header::after {
  content: '';
  display: block;
  width: 100%;
  max-width: 600px;
  height: 1px;
  margin: var(--spacing-xl) auto 0;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border) 15%,
    var(--color-rule) 50%,
    var(--color-border) 85%,
    transparent
  );
}

/* Ornamental flourish (optional class) */
.ornament {
  display: inline-block;
  color: var(--color-gold);
  font-size: 1.2em;
  vertical-align: middle;
  margin: 0 0.5em;
}

/* Legacy h1 styling */
h1 {
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
}

/* ============================================
   Control Bar Styling
   ============================================ */
.control-bar {
  padding: var(--spacing-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.section-label {
  font-family: var(--font-body);
  font-variant: small-caps;
  letter-spacing: 0.1em;
  color: var(--color-text);
}

/* Emphasized label for primary actions (search) */
.search-section .section-label {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 600;
  font-variant: normal;
  letter-spacing: 0.05em;
}

.section-label.muted {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ============================================
   Form Controls - Vintage Styling
   ============================================ */
select,
input[type="text"] {
  font-family: var(--font-body);
  background-color: var(--color-cream);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-inset);
}

/* Larger, more prominent search input */
.search-section input[type="text"] {
  font-size: var(--font-size-lg);
  padding: var(--spacing-md) var(--spacing-md);
  min-width: 300px;
}

select:focus,
input[type="text"]:focus {
  border-color: var(--color-accent);
  box-shadow:
    var(--shadow-inset),
    0 0 0 2px rgba(107, 58, 31, 0.1);
}

input[type="text"]::placeholder {
  color: var(--color-text-muted);
  font-style: italic;
}

/* Keep jump controls compact */
.jump-section select {
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  min-width: 100px;
}

/* Page slider - vintage styling */
input[type="range"] {
  background: linear-gradient(
    to right,
    var(--color-border) 0%,
    var(--color-rule) 50%,
    var(--color-border) 100%
  );
}

input[type="range"]::-webkit-slider-thumb {
  background: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

input[type="range"]::-moz-range-thumb {
  background: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

input[type="range"]:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 3px rgba(107, 58, 31, 0.2);
}

input[type="range"]:focus::-moz-range-thumb {
  box-shadow: 0 0 0 3px rgba(107, 58, 31, 0.2);
}

.page-display {
  font-family: var(--font-body);
  color: var(--color-text-muted);
}

/* ============================================
   Autocomplete Dropdown - Vintage
   ============================================ */
.autocomplete-dropdown {
  background-color: var(--color-cream);
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

.autocomplete-item {
  font-family: var(--font-body);
  border-bottom-color: var(--color-border);
}

.autocomplete-item:hover,
.autocomplete-item.selected {
  background-color: var(--color-surface);
  color: var(--color-accent);
}

/* ============================================
   Viewer Container - Decorative Frame
   ============================================ */
.viewer-container {
  padding: var(--spacing-sm);
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  box-shadow:
    inset 0 0 0 1px var(--color-cream),
    var(--shadow-md);
}

/* Double-border effect */
.viewer-container::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 6px;
  right: 6px;
  bottom: 6px;
  border: 1px solid var(--color-border);
  pointer-events: none;
}

.viewer-container {
  position: relative;
}

.viewer-container iframe {
  border: 1px solid var(--color-rule);
  border-radius: 0;
  box-shadow: var(--shadow-inset);
}

/* ============================================
   Decorative Elements
   ============================================ */

/* Horizontal rule styling */
hr {
  border: none;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-rule) 20%,
    var(--color-rule) 80%,
    transparent
  );
  margin: var(--spacing-xl) 0;
}

/* Links */
a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

a:hover {
  color: var(--color-accent-hover);
  border-bottom-color: var(--color-accent);
}

/* Selection styling */
::selection {
  background-color: rgba(184, 151, 58, 0.3);
  color: var(--color-text);
}