/**
 * COSYdata Dictionary UI Engine Styles
 *
 * Clean, Oxford/Cambridge-style dictionary layout with serif typography for headwords,
 * responsive search-first home view, high-contrast accessible focus states,
 * and dark mode support.
 */

:root {
  --cosy-dict-bg: var(--cosy-color-cream, #fdfcf8);
  --cosy-dict-card-bg: var(--cosy-color-warm-white, #FFFEFB);
  --cosy-dict-text: var(--cosy-color-ink, #2a2a2a);
  --cosy-dict-text-muted: var(--cosy-color-ink-soft, #4a4a4a);
  --cosy-dict-border: var(--cosy-color-border, rgba(74, 107, 80, 0.12));
  --cosy-dict-primary: var(--cosy-color-sage, #416b49);
  --cosy-dict-primary-hover: var(--cosy-color-sage-dark, #375742);
  --cosy-dict-accent: var(--cosy-color-sage, #416b49);
  --cosy-dict-highlight: var(--cosy-color-honey-pale, #fff8e7);
  --cosy-dict-badge-bg: var(--cosy-color-sage-light, #e8f0e9);
  --cosy-dict-badge-text: var(--cosy-color-sage-dark, #375742);
  --cosy-dict-chip-bg: var(--cosy-color-sage-light, #e8f0e9);
  --cosy-dict-chip-text: var(--cosy-color-sage-deep, #233827);
  --cosy-dict-chip-antonym-bg: var(--cosy-color-coral-light, #faeee8);
  --cosy-dict-chip-antonym-text: var(--cosy-color-coral, #B84318);
  --cosy-dict-wotd-bg: var(--cosy-color-sage-mist, #f0f5f1);
  --cosy-dict-wotd-border: var(--cosy-color-border-hover, rgba(74, 107, 80, 0.25));
  --cosy-dict-shadow: var(--cosy-shadow-base, 0 6px 28px rgba(46, 74, 51, 0.10));
  --cosy-dict-radius: var(--cosy-radius-md, 14px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --cosy-dict-bg: var(--cosy-color-cream, #1a1f1a);
    --cosy-dict-card-bg: var(--cosy-color-warm-white, #222b22);
    --cosy-dict-text: var(--cosy-color-ink, #e8f0e9);
    --cosy-dict-text-muted: var(--cosy-color-ink-soft, #c8d8c9);
    --cosy-dict-border: var(--cosy-color-border, rgba(107, 143, 113, 0.20));
    --cosy-dict-primary: var(--cosy-color-sage, #5a7a5f);
    --cosy-dict-primary-hover: var(--cosy-color-sage-dark, #8a9e8b);
    --cosy-dict-accent: var(--cosy-color-sage, #5a7a5f);
    --cosy-dict-badge-bg: var(--cosy-color-sage-pale, #222c23);
    --cosy-dict-badge-text: var(--cosy-color-sage-dark, #8a9e8b);
    --cosy-dict-chip-bg: var(--cosy-color-sage-pale, #222c23);
    --cosy-dict-chip-text: var(--cosy-color-sage-deep, #e8f0e9);
    --cosy-dict-chip-antonym-bg: var(--cosy-color-coral-light, #2d1a15);
    --cosy-dict-chip-antonym-text: var(--cosy-color-coral, #B84318);
    --cosy-dict-wotd-bg: var(--cosy-color-sage-mist, #1f2720);
    --cosy-dict-wotd-border: var(--cosy-color-border-hover, rgba(107, 143, 113, 0.35));
    --cosy-dict-shadow: var(--cosy-shadow-base, 0 6px 28px rgba(0, 0, 0, 0.3));
  }
}

/* Global High-Contrast Focus Indicator for Accessibility */
.cosy-dict-container *:focus-visible {
  outline: 3px solid var(--cosy-semantic-focus, #416b49) !important;
  outline-offset: 2px !important;
  box-shadow: var(--focus-ring, 0 0 0 3px rgba(65, 107, 73, 0.4));
}

.cosy-dict-container {
  font-family: var(--cosy-font-sans, 'Nunito', 'DM Sans', sans-serif);
  color: var(--cosy-dict-text);
  background-color: var(--cosy-dict-bg);
  max-width: 1040px;
  margin: 0 auto;
  padding: 20px 16px;
  box-sizing: border-box;
}

/* Loading State */
.cosy-dict-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--cosy-dict-text-muted);
}

.cosy-dict-spinner {
  width: 36px;
  height: 36px;
  border: 4px solid var(--cosy-dict-border);
  border-top-color: var(--cosy-dict-primary);
  border-radius: 50%;
  animation: cosy-dict-spin 0.8s linear infinite;
  margin-bottom: 12px;
}

@keyframes cosy-dict-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Header & Title Row */
.cosy-dict-header {
  margin-bottom: 24px;
}

.cosy-dict-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.cosy-dict-title {
  font-size: 28px;
  font-weight: 800;
  margin: 0;
  color: var(--cosy-dict-text);
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.cosy-dict-word-count {
  font-size: 13px;
  font-weight: 600;
  color: var(--cosy-dict-text-muted);
  background-color: var(--cosy-dict-badge-bg);
  padding: 3px 9px;
  border-radius: 12px;
}

/* Language Switcher */
.cosy-dict-lang-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cosy-dict-lang-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--cosy-dict-text-muted);
}

.cosy-dict-lang-select {
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--cosy-dict-border);
  border-radius: 8px;
  background-color: var(--cosy-dict-card-bg);
  color: var(--cosy-dict-text);
  cursor: pointer;

  &:hover {
    border-color: var(--cosy-dict-accent);
  }
}

/* Search Hero Section */
.cosy-dict-search-hero {
  margin-bottom: 24px;
}

.cosy-dict-search-box {
  position: relative;
  width: 100%;
}

.cosy-dict-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  pointer-events: none;
  opacity: 0.6;
}

.cosy-dict-search-input {
  width: 100%;
  padding: 14px 44px 14px 46px;
  font-size: 17px;
  border: 2px solid var(--cosy-dict-border);
  border-radius: var(--cosy-dict-radius);
  background-color: var(--cosy-dict-card-bg);
  color: var(--cosy-dict-text);
  box-shadow: var(--cosy-dict-shadow);
  box-sizing: border-box;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;

  &:focus {
    border-color: var(--cosy-dict-primary);
  }
}

.cosy-dict-search-clear-btn {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 20px;
  color: var(--cosy-dict-text-muted);
  cursor: pointer;
  padding: 0 4px;

  &:hover {
    color: var(--cosy-dict-text);
  }
}

/* Sections & Home View */
.cosy-dict-section-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 12px 0;
  color: var(--cosy-dict-text);
}

.cosy-dict-browse-section {
  margin-bottom: 28px;
}

/* Word of the Day Banner */
.cosy-dict-wotd {
  background-color: var(--cosy-dict-wotd-bg);
  border: 1px solid var(--cosy-dict-wotd-border);
  border-radius: var(--cosy-dict-radius);
  padding: 18px 20px;
  margin-bottom: 28px;
  position: relative;
}

.cosy-dict-wotd-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--cosy-dict-primary);
  color: #ffffff;
  padding: 3px 9px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.cosy-dict-wotd-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.cosy-dict-wotd-emoji {
  font-size: 22px;
}

.cosy-dict-wotd-word {
  font-family: var(--cosy-font-serif, 'Fraunces', 'Lora', Georgia, serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--cosy-dict-text);
}

.cosy-dict-wotd-loading {
  font-size: 13px;
  font-style: italic;
  color: var(--cosy-dict-text-muted);
  margin: 4px 0 0 0;
}

.cosy-dict-wotd-def {
  font-size: 15px;
  margin: 6px 0 8px 0;
  color: var(--cosy-dict-text);
}

.cosy-dict-wotd-ex {
  margin: 0;
  padding-left: 12px;
  border-left: 3px solid var(--cosy-dict-accent);
  font-style: italic;
  font-size: 14px;
  color: var(--cosy-dict-text-muted);
}

/* Browse-by-Letter Row (A–Z) */
.cosy-dict-letter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cosy-dict-letter-btn {
  flex: 1 0 32px;
  min-width: 32px;
  height: 38px;
  padding: 0;
  font-size: 15px;
  font-weight: 700;
  border: 1px solid var(--cosy-dict-border);
  border-radius: 8px;
  background-color: var(--cosy-dict-card-bg);
  color: var(--cosy-dict-text);
  cursor: pointer;
  transition: all 0.15s ease;

  &:hover {
    background-color: var(--cosy-dict-primary);
    border-color: var(--cosy-dict-primary);
    color: #ffffff;
  }
}

/* User Section (My List & Recently Viewed) */
.cosy-dict-user-section {
  margin-bottom: 28px;
}

.cosy-dict-user-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.cosy-dict-user-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background-color: var(--cosy-dict-card-bg);
  border: 1px solid var(--cosy-dict-border);
  border-radius: var(--cosy-dict-radius);
  box-shadow: var(--cosy-dict-shadow);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s ease, transform 0.15s ease;

  &:hover {
    border-color: var(--cosy-dict-accent);
    transform: translateY(-1px);
  }
}

.cosy-dict-user-icon {
  font-size: 24px;
}

.cosy-dict-user-info {
  display: flex;
  flex-direction: column;

  strong {
    font-size: 15px;
    color: var(--cosy-dict-text);
  }

  span {
    font-size: 13px;
    color: var(--cosy-dict-text-muted);
  }
}

/* Category Tiles Grid */
.cosy-dict-tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.cosy-dict-tile-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 12px 14px;
  background-color: var(--cosy-dict-card-bg);
  border: 1px solid var(--cosy-dict-border);
  border-radius: 10px;
  box-shadow: var(--cosy-dict-shadow);
  cursor: pointer;
  text-align: left;
  min-height: 64px;
  transition: border-color 0.15s ease, transform 0.15s ease;

  &:hover {
    border-color: var(--cosy-dict-primary);
    transform: translateY(-1px);
  }
}

.cosy-dict-tile-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--cosy-dict-text);
  margin-bottom: 4px;
}

.cosy-dict-tile-count {
  font-size: 12px;
  color: var(--cosy-dict-text-muted);
}

/* Level Grid */
.cosy-dict-level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
}

.cosy-dict-level-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 8px;
  border-radius: 10px;
  border: 1px solid var(--cosy-dict-border);
  background-color: var(--cosy-dict-card-bg);
  cursor: pointer;
  transition: transform 0.15s ease;

  &:hover {
    transform: translateY(-1px);
  }

  strong {
    font-size: 18px;
    font-weight: 800;
  }

  span {
    font-size: 12px;
    margin-top: 2px;
  }
}

/* Domain Grid */
.cosy-dict-domain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.cosy-dict-domain-card {
  display: flex;
  flex-direction: column;
  padding: 12px 14px;
  background-color: var(--cosy-dict-card-bg);
  border: 1px solid var(--cosy-dict-border);
  border-radius: 10px;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s ease, transform 0.15s ease;

  &:hover {
    border-color: var(--cosy-dict-accent);
    transform: translateY(-1px);
  }

  strong {
    font-size: 14px;
    color: var(--cosy-dict-text);
  }

  span {
    font-size: 12px;
    color: var(--cosy-dict-text-muted);
    margin-top: 2px;
  }
}

/* Results View */
.cosy-dict-results-header {
  margin-bottom: 20px;
}

.cosy-dict-back-btn {
  background: none;
  border: none;
  color: var(--cosy-dict-accent);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
  margin-bottom: 12px;

  &:hover {
    text-decoration: underline;
  }
}

.cosy-dict-results-title {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 4px 0;
  color: var(--cosy-dict-text);
}

.cosy-dict-results-status {
  font-size: 13px;
  color: var(--cosy-dict-text-muted);
}

.cosy-dict-results-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.cosy-dict-empty {
  text-align: center;
  padding: 50px 20px;
  color: var(--cosy-dict-text-muted);
  background-color: var(--cosy-dict-card-bg);
  border: 1px solid var(--cosy-dict-border);
  border-radius: var(--cosy-dict-radius);
}

/* Entry Cards */
.cosy-dict-card {
  background-color: var(--cosy-dict-card-bg);
  border: 1px solid var(--cosy-dict-border);
  border-radius: var(--cosy-dict-radius);
  padding: 16px 18px;
  box-shadow: var(--cosy-dict-shadow);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;

  &.is-expanded {
    border-color: var(--cosy-dict-primary);
  }
}

.cosy-dict-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.cosy-dict-title-group {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.cosy-dict-emoji {
  font-size: 22px;
}

.cosy-dict-headword {
  font-family: var(--cosy-font-serif, 'Fraunces', 'Lora', Georgia, serif);
  font-size: 22px;
  font-weight: 700;
  margin: 0;
  color: var(--cosy-dict-text);
}

.cosy-dict-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cosy-dict-star-btn {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--cosy-dict-border);
  cursor: pointer;
  padding: 2px 4px;

  &:hover {
    color: #d97706;
  }

  &.is-favorite {
    color: #d97706;
  }
}

.cosy-dict-expand-btn {
  background-color: var(--cosy-dict-bg);
  border: 1px solid var(--cosy-dict-border);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--cosy-dict-text);
  padding: 4px 10px;
  cursor: pointer;

  &:hover {
    border-color: var(--cosy-dict-primary);
    color: var(--cosy-dict-primary);
  }
}

.cosy-dict-tags-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.cosy-dict-tag-chip {
  font-size: 11px;
  font-weight: 600;
  background-color: var(--cosy-dict-badge-bg);
  color: var(--cosy-dict-badge-text);
  padding: 2px 7px;
  border-radius: 4px;
}

.cosy-dict-tag-domain {
  background-color: #e0f2fe;
  color: #0369a1;
}

/* Expanded Details Box */
.cosy-dict-expanded-details {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--cosy-dict-border);
}

.cosy-dict-loading-details {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--cosy-dict-text-muted);
}

.cosy-dict-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.cosy-dict-ipa {
  font-family: 'SF Pro Text', SFMono-Regular, Consolas, monospace;
  font-size: 14px;
  color: var(--cosy-dict-text-muted);
}

.cosy-dict-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
}

.cosy-dict-badge-form {
  background-color: var(--cosy-dict-badge-bg);
  color: var(--cosy-dict-badge-text);
}

.cosy-dict-badge-level {
  background-color: #cbd5e1;
  color: #0f172a;
}

.cosy-dict-level-a0,
.cosy-dict-level-a1 {
  background-color: #dcfce7;
  color: #14532d;
}

.cosy-dict-level-a2 {
  background-color: #bbf7d0;
  color: #14532d;
}

.cosy-dict-level-b1 {
  background-color: #e0f2fe;
  color: #0369a1;
}

.cosy-dict-level-b2 {
  background-color: #bae6fd;
  color: #0369a1;
}

.cosy-dict-level-c1 {
  background-color: #fef3c7;
  color: #78350f;
}

.cosy-dict-level-c2 {
  background-color: #fce7f3;
  color: #831843;
}

.cosy-dict-audio-btn {
  background: var(--cosy-dict-bg);
  border: 1px solid var(--cosy-dict-border);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--cosy-dict-text);
  padding: 3px 8px;
  cursor: pointer;

  &:hover {
    background-color: var(--cosy-dict-border);
  }
}

.cosy-dict-definitions {
  margin: 8px 0;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.5;
}

.cosy-dict-examples {
  margin-bottom: 10px;
}

.cosy-dict-example-item {
  margin: 0 0 4px 0;
  padding-left: 10px;
  border-left: 3px solid var(--cosy-dict-accent);
  font-style: italic;
  font-size: 14px;
  color: var(--cosy-dict-text-muted);
}

.cosy-dict-chips-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cosy-dict-chip-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.cosy-dict-chip-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--cosy-dict-text-muted);
}

.cosy-dict-chip {
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 12px;
  background-color: var(--cosy-dict-chip-bg);
  color: var(--cosy-dict-chip-text);
}

.cosy-dict-chip-antonym {
  background-color: var(--cosy-dict-chip-antonym-bg);
  color: var(--cosy-dict-chip-antonym-text);
}

/* Load More Pagination */
.cosy-dict-load-more-container {
  display: flex;
  justify-content: center;
  margin: 20px 0 40px 0;
}

.cosy-dict-load-more-btn {
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 700;
  background-color: var(--cosy-dict-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--cosy-dict-radius);
  cursor: pointer;
  box-shadow: var(--cosy-dict-shadow);
  transition: background-color 0.15s ease, transform 0.15s ease;

  &:hover {
    background-color: var(--cosy-dict-primary-hover);
    transform: translateY(-1px);
  }
}

/* Ecosystem Footer Block */
.cosy-dict-footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--cosy-dict-border);
}

.cosy-dict-footer-content {
  background-color: var(--cosy-dict-card-bg);
  border: 1px solid var(--cosy-dict-border);
  border-radius: var(--cosy-dict-radius);
  padding: 20px;
  box-shadow: var(--cosy-dict-shadow);
}

.cosy-dict-footer-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 6px 0;
  color: var(--cosy-dict-primary);
}

.cosy-dict-footer-desc {
  font-size: 13px;
  color: var(--cosy-dict-text-muted);
  margin: 0 0 16px 0;
}

.cosy-dict-ecosystem-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.cosy-dict-eco-link {
  display: flex;
  flex-direction: column;
  padding: 10px 12px;
  background-color: var(--cosy-dict-bg);
  border: 1px solid var(--cosy-dict-border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--cosy-dict-text);
  transition: border-color 0.15s ease, transform 0.15s ease;

  &:hover {
    border-color: var(--cosy-dict-accent);
    transform: translateY(-1px);
  }

  strong {
    font-size: 14px;
    color: var(--cosy-dict-primary);
    margin-bottom: 2px;
  }

  span {
    font-size: 12px;
    color: var(--cosy-dict-text-muted);
  }
}