/* ===== HACM (ARKA SCRIPT) FONTS ===== */
@font-face { font-family: 'Hacm Kardinal'; src: url('fonts/kardinal.woff2') format('woff2'); font-weight: normal; font-style: normal; font-display: swap; }
@font-face { font-family: 'Hacm Alblant'; src: url('fonts/alblant.woff2') format('woff2'); font-weight: normal; font-style: normal; font-display: swap; }
@font-face { font-family: 'Hacm Fenlil'; src: url('fonts/fenlil.woff2') format('woff2'); font-weight: normal; font-style: normal; font-display: swap; }
@font-face { font-family: 'Hacm Lantia'; src: url('fonts/lantia.woff2') format('woff2'); font-weight: normal; font-style: normal; font-display: swap; }
@font-face { font-family: 'Hacm Olivia'; src: url('fonts/olivia.woff2') format('woff2'); font-weight: normal; font-style: normal; font-display: swap; }
@font-face { font-family: 'Hacm Nalnia'; src: url('fonts/nalnia.woff2') format('woff2'); font-weight: normal; font-style: normal; font-display: swap; }
@font-face { font-family: 'Hacm Fialis'; src: url('fonts/fialis.woff2') format('woff2'); font-weight: normal; font-style: normal; font-display: swap; }
@font-face { font-family: 'Hacm Defans'; src: url('fonts/defans.woff2') format('woff2'); font-weight: normal; font-style: normal; font-display: swap; }
@font-face { font-family: 'Hacm Inje'; src: url('fonts/inje.woff2') format('woff2'); font-weight: normal; font-style: normal; font-display: swap; }

/* ===== DESIGN TOKENS ===== */
:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'General Sans', sans-serif;
  --font-body: 'Noto Sans JP', 'General Sans', sans-serif;
}

/* ===== COLOR PALETTE — Mystical / Constructed Language ===== */
/* Deep indigo-violet primary with warm amber accents — evoking ancient scripts and arcane knowledge */

:root,
[data-theme='light'] {
  --color-bg: #f5f4f0;
  --color-surface: #ffffff;
  --color-surface-2: #fafaf8;
  --color-surface-offset: #eeecea;
  --color-surface-dynamic: #e4e2de;
  --color-divider: #d8d6d2;
  --color-border: #cccac5;
  --color-text: #1a1820;
  --color-text-muted: #6b687a;
  --color-text-faint: #a09dac;
  --color-text-inverse: #f5f4f0;
  --color-primary: #4a3d8f;
  --color-primary-hover: #3a2f75;
  --color-primary-active: #2c2360;
  --color-primary-highlight: #e0ddf0;
  --color-accent: #c4873b;
  --color-accent-hover: #a87030;
  --color-accent-highlight: #f0e4d4;
  --color-success: #3a7a3d;
  --color-error: #a13344;
  --color-warning: #b07020;
  --shadow-sm: 0 1px 2px rgba(26,24,32,0.06);
  --shadow-md: 0 4px 12px rgba(26,24,32,0.08);
  --shadow-lg: 0 12px 32px rgba(26,24,32,0.12);
}

[data-theme='dark'] {
  --color-bg: #0f0e14;
  --color-surface: #18171f;
  --color-surface-2: #1e1d27;
  --color-surface-offset: #16151d;
  --color-surface-dynamic: #24232f;
  --color-divider: #2a2935;
  --color-border: #353442;
  --color-text: #d4d2dc;
  --color-text-muted: #807da0;
  --color-text-faint: #555368;
  --color-text-inverse: #18171f;
  --color-primary: #8b7fd4;
  --color-primary-hover: #a599e6;
  --color-primary-active: #6b5fc0;
  --color-primary-highlight: #2a2840;
  --color-accent: #d4a05a;
  --color-accent-hover: #e0b876;
  --color-accent-highlight: #352e20;
  --color-success: #5aaa5d;
  --color-error: #d46474;
  --color-warning: #d4a040;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0f0e14;
    --color-surface: #18171f;
    --color-surface-2: #1e1d27;
    --color-surface-offset: #16151d;
    --color-surface-dynamic: #24232f;
    --color-divider: #2a293b;
    --color-border: #35344a;
    --color-text: #d4d2dc;
    --color-text-muted: #807da0;
    --color-text-faint: #555368;
    --color-text-inverse: #18171f;
    --color-primary: #8b7fd4;
    --color-primary-hover: #a599e6;
    --color-primary-active: #6b5fc0;
    --color-primary-highlight: #2a2840;
    --color-accent: #d4a05a;
    --color-accent-hover: #e0b876;
    --color-accent-highlight: #352e20;
    --color-success: #5aaa5d;
    --color-error: #d46474;
    --color-warning: #d4a040;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
  }
}

/* ===== BASE RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
}
img, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
h1,h2,h3,h4,h5,h6 { text-wrap: balance; line-height: 1.2; }
p, li { text-wrap: pretty; max-width: 72ch; }
a, button, [role='button'], input, textarea, select {
  transition: color var(--transition-interactive), background var(--transition-interactive),
    border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
button { cursor: pointer; background: none; border: none; }
::selection { background: rgba(75,61,143,0.2); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ===== LOADING OVERLAY ===== */
.loading-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.4s ease;
}
.loading-overlay.hidden { opacity: 0; pointer-events: none; }
.loading-spinner { text-align: center; }
.spinner-ring {
  width: 40px; height: 40px; margin: 0 auto var(--space-4);
  border: 3px solid var(--color-divider);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ===== HEADER ===== */
.app-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  position: sticky; top: 0; z-index: 100;
}
.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex; align-items: center; justify-content: space-between;
}
.logo-area { display: flex; align-items: center; gap: var(--space-3); }
.logo-icon { color: var(--color-primary); flex-shrink: 0; }
.logo-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.logo-subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}
.header-actions { display: flex; align-items: center; gap: var(--space-4); }
.dict-count {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  background: var(--color-surface-offset);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
[data-theme-toggle] {
  color: var(--color-text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-md);
}
[data-theme-toggle]:hover { color: var(--color-text); background: var(--color-surface-offset); }

/* ===== TAB NAV ===== */
.tab-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
}
.tab-nav-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex; gap: var(--space-1);
}
.tab-btn {
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  border-radius: 0;
}
.tab-btn:hover { color: var(--color-text); }
.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.tab-btn svg { flex-shrink: 0; }

/* ===== MAIN CONTENT ===== */
.main-content {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-6);
  width: 100%;
  flex: 1;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== TRANSLATE TAB ===== */

/* Variant Selector */
.variant-bar {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.variant-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.variant-pills {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.variant-pill {
  font-size: var(--text-xs);
  font-weight: 500;
  font-family: var(--font-body);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
  white-space: nowrap;
}
.variant-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}
.variant-pill.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
  font-weight: 600;
}
.variant-pill.limited::after {
  content: '*';
  margin-left: 2px;
  opacity: 0.7;
}

/* Variant Warning */
.variant-warning {
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  background: #fef3cd;
  border: 1px solid #ffc107;
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: #856404;
  line-height: 1.5;
}
[data-theme='dark'] .variant-warning {
  background: #332b00;
  border-color: #665500;
  color: #ffc107;
}
.variant-warning .warning-title {
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.variant-warning .warning-details {
  opacity: 0.85;
}

/* Variant info tooltip */
.variant-info {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-3);
  padding: var(--space-2);
  font-style: italic;
  min-height: 1.4em;
}

@media (max-width: 700px) {
  .variant-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  .variant-pills {
    width: 100%;
  }
  .variant-pill {
    flex: 1;
    text-align: center;
    min-width: 0;
  }
}

.direction-bar {
  display: flex; align-items: center; justify-content: center; gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.lang-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-width: 100px;
  text-align: center;
}
.swap-btn {
  color: var(--color-primary);
  padding: var(--space-2);
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
}
.swap-btn:hover { background: var(--color-primary); color: var(--color-text-inverse); }

.translate-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
@media (max-width: 700px) {
  .translate-panels { grid-template-columns: 1fr; }
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
}
.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.clear-btn, .copy-btn {
  color: var(--color-text-faint);
  padding: var(--space-1);
  border-radius: var(--radius-sm);
}
.clear-btn:hover, .copy-btn:hover { color: var(--color-text); background: var(--color-surface-offset); }

textarea {
  width: 100%;
  padding: var(--space-4);
  border: none;
  outline: none;
  background: transparent;
  resize: vertical;
  min-height: 160px;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
}
textarea::placeholder { color: var(--color-text-faint); }

.output-area {
  padding: var(--space-4);
  min-height: 160px;
  font-size: var(--text-base);
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}
.placeholder-text { color: var(--color-text-faint); }

.panel-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-divider);
  display: flex; justify-content: flex-end;
}
.translate-actions {
  display: flex; align-items: center; gap: var(--space-3); width: 100%; justify-content: space-between;
}
.translate-btn {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-md);
}
.translate-btn:hover { background: var(--color-primary-hover); }
.translate-btn:active { background: var(--color-primary-active); }

/* ===== WORD BREAKDOWN ===== */
.breakdown-section {
  margin-top: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.breakdown-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.breakdown-grid {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
}
.breakdown-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  min-width: 100px;
  cursor: default;
  position: relative;
}
.breakdown-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.breakdown-word {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-primary);
}
.breakdown-root {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}
.breakdown-meaning {
  font-size: var(--text-xs);
  color: var(--color-text);
  margin-top: var(--space-1);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.breakdown-suffix {
  font-size: var(--text-xs);
  color: var(--color-accent);
  margin-top: var(--space-1);
}
.breakdown-tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-surface-dynamic);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text);
  min-width: 220px;
  max-width: 320px;
  white-space: normal;
  box-shadow: var(--shadow-md);
  z-index: 10;
  line-height: 1.5;
}
.breakdown-card:hover .breakdown-tooltip { display: block; }

/* ===== DICTIONARY TAB ===== */
.dict-search-bar {
  margin-bottom: var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.search-input-wrap {
  position: relative;
  display: flex; align-items: center;
}
.search-icon {
  position: absolute; left: var(--space-4);
  color: var(--color-text-faint);
  pointer-events: none;
}
#dict-search {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) calc(var(--space-4) + 26px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
}
#dict-search:focus { border-color: var(--color-primary); outline: none; box-shadow: 0 0 0 3px rgba(75,61,143,0.15); }
#dict-search::placeholder { color: var(--color-text-faint); }

.search-filters {
  display: flex; gap: var(--space-3);
}
.search-filters select {
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
}
.search-filters select:focus { border-color: var(--color-primary); outline: none; }

.dict-results-info {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.dict-results {
  display: flex; flex-direction: column; gap: var(--space-2);
  max-height: 70vh;
  overflow-y: auto;
}

.dict-entry {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-2);
}
.dict-entry:hover { border-color: var(--color-primary); }
.dict-entry-header {
  display: flex; align-items: baseline; gap: var(--space-3); flex-wrap: wrap;
}
.dict-entry-word {
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-primary);
}
.dict-entry-pos {
  display: flex; gap: var(--space-1); flex-wrap: wrap;
}
.pos-tag {
  font-size: var(--text-xs);
  padding: 1px var(--space-2);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-weight: 500;
}
.dict-entry-level {
  font-size: var(--text-xs);
  color: var(--color-accent);
  margin-left: auto;
}
.dict-entry-meaning {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
}

/* ===== GRAMMAR TAB ===== */
.grammar-content {
  display: flex; flex-direction: column; gap: var(--space-4);
}
.grammar-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.grammar-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  user-select: none;
}
.grammar-header:hover { background: var(--color-surface-offset); }
.grammar-header h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.grammar-chevron {
  color: var(--color-text-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.grammar-section.open .grammar-chevron { transform: rotate(180deg); }
.grammar-body {
  display: none;
  padding: 0 var(--space-5) var(--space-5);
}
.grammar-section.open .grammar-body { display: block; }

.grammar-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.grammar-table th {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-offset);
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.grammar-table td {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-divider);
  vertical-align: top;
}
.grammar-table .arka-cell {
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}
.grammar-table .jp-cell {
  color: var(--color-text);
}
.grammar-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: var(--color-surface-offset);
  border-radius: var(--radius-sm);
  line-height: 1.6;
}

/* ===== FOOTER ===== */
.app-footer {
  text-align: center;
  padding: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  border-top: 1px solid var(--color-divider);
  margin-top: auto;
}

/* ===== SCROLLBAR ===== */
.dict-results::-webkit-scrollbar { width: 6px; }
.dict-results::-webkit-scrollbar-track { background: transparent; }
.dict-results::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
.dict-results::-webkit-scrollbar-thumb:hover { background: var(--color-text-faint); }

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .header-inner { padding: var(--space-3) var(--space-4); }
  .main-content { padding: var(--space-4); }
  .tab-nav-inner { padding: 0 var(--space-4); }
  .logo-subtitle { display: none; }
  .search-filters { flex-direction: column; }
  .direction-bar { gap: var(--space-2); }
  .lang-label { min-width: 80px; font-size: var(--text-xs); padding: var(--space-2) var(--space-3); }
  .breakdown-tooltip { min-width: 180px; }
}

/* ===== SENTENCE MATCH DISPLAY ===== */
.sentence-match {
  background: var(--color-surface-alt, #f0f4f0);
  border-left: 3px solid var(--color-accent, #4f46e5);
  border-radius: var(--radius-sm, 4px);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-3);
}
.sentence-match-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent, #4f46e5);
  margin-bottom: var(--space-1);
}
.sentence-match-text {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text, #1a1a2e);
}
.gloss-translation {
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border, #e0e0e0);
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted, #666);
  line-height: 1.6;
}
.gloss-label {
  font-weight: 600;
  font-size: var(--text-xs);
  color: var(--color-text-muted, #888);
  margin-right: var(--space-1);
}

[data-theme="dark"] .sentence-match {
  background: rgba(79, 70, 229, 0.1);
  border-left-color: var(--color-accent, #818cf8);
}
[data-theme="dark"] .sentence-match-label {
  color: var(--color-accent, #818cf8);
}
[data-theme="dark"] .sentence-match-text {
  color: var(--color-text, #e0e0e0);
}
[data-theme="dark"] .gloss-translation {
  border-top-color: rgba(255,255,255,0.1);
  color: var(--color-text-muted, #aaa);
}

/* Breakdown suffix label */
.breakdown-suffix {
  font-size: var(--text-xs);
  color: var(--color-accent, #4f46e5);
  font-style: italic;
  margin-top: 2px;
}

/* ===== PRONUNCIATION GUIDE ===== */
.pronunciation-guide {
  margin-top: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  letter-spacing: 0.02em;
}
.pron-label {
  font-weight: 600;
  color: var(--color-text);
  margin-right: var(--space-2);
}

/* ===== DIALECT / MODE BADGES ===== */
.dialect-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
  margin-right: var(--space-2);
}
.dialect-badge.southern {
  background: rgba(58, 122, 61, 0.12);
  color: var(--color-success);
  border: 1px solid rgba(58, 122, 61, 0.25);
}
.dialect-badge.poetic {
  background: rgba(196, 135, 59, 0.12);
  color: var(--color-accent);
  border: 1px solid rgba(196, 135, 59, 0.25);
}

[data-theme='dark'] .dialect-badge.southern {
  background: rgba(90, 170, 93, 0.15);
  color: var(--color-success);
  border-color: rgba(90, 170, 93, 0.3);
}
[data-theme='dark'] .dialect-badge.poetic {
  background: rgba(212, 160, 90, 0.15);
  color: var(--color-accent);
  border-color: rgba(212, 160, 90, 0.3);
}

/* ===== TRANSLATION TEXT ===== */
.translation-text {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text);
}

/* ===== AI TOGGLE ===== */
.ai-toggle {
  display: flex; align-items: center; gap: var(--space-2);
  cursor: pointer; user-select: none;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive);
}
.ai-toggle:hover { color: var(--color-text); }
.ai-toggle.unavailable { opacity: 0.4; cursor: not-allowed; }
.ai-toggle.available .ai-toggle-label { color: var(--color-text-muted); }
.ai-toggle input[type="checkbox"] {
  width: 36px; height: 20px;
  appearance: none; -webkit-appearance: none;
  background: var(--color-divider);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
  transition: background var(--transition-interactive);
  flex-shrink: 0;
}
.ai-toggle input[type="checkbox"]::after {
  content: '';
  position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition-interactive);
}
.ai-toggle input[type="checkbox"]:checked {
  background: var(--color-primary);
}
.ai-toggle input[type="checkbox"]:checked::after {
  transform: translateX(16px);
}
.ai-toggle input:disabled { cursor: not-allowed; }
.ai-toggle-label {
  font-size: var(--text-xs);
  white-space: nowrap;
}

/* ===== AI RESULT SECTION ===== */
.ai-result-section {
  margin-top: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-lg);
  display: none;
}
.ai-result-header {
  display: flex; align-items: center; gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.ai-badge {
  display: inline-flex; align-items: center; gap: var(--space-1);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
.ai-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.ai-badge-warn {
  background: var(--color-text-muted) !important;
  opacity: 0.8;
}
.ai-result-text {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text);
}
.ai-loading {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.ai-spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--color-divider);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: ai-spin 0.6s linear infinite;
}
@keyframes ai-spin {
  to { transform: rotate(360deg); }
}
/* AI error bilingual message */
.ai-error-bilingual {
  margin-top: var(--space-2);
  padding: var(--space-3);
  background: color-mix(in srgb, var(--color-danger, #d32f2f) 8%, transparent);
  border-left: 3px solid var(--color-danger, #d32f2f);
  border-radius: var(--radius-sm);
}
.ai-error-jp {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
  margin-bottom: var(--space-1);
}
.ai-error-arka {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-style: italic;
}
/* AI verification badge */
.ai-verify-section {
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  line-height: 1.6;
}
.ai-verify-pass {
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
  border-left: 3px solid var(--color-primary);
  color: var(--color-text);
}
.ai-verify-warn {
  background: color-mix(in srgb, #f59e0b 10%, transparent);
  border-left: 3px solid #f59e0b;
  color: var(--color-text);
}
.ai-verify-fail {
  background: color-mix(in srgb, var(--color-danger, #d32f2f) 8%, transparent);
  border-left: 3px solid var(--color-danger, #d32f2f);
  color: var(--color-text);
}
.ai-verify-label {
  font-weight: 600;
  margin-right: var(--space-1);
}
.ai-verify-detail {
  color: var(--color-text-muted);
  margin-top: 2px;
}
/* ===== HACM SCRIPT DISPLAY ===== */
.hacm-text {
  font-family: 'Hacm Kardinal', monospace;
  font-size: 1.5em;
  line-height: 2;
  letter-spacing: 0.05em;
  direction: ltr;
}
.hacm-text.hacm-alblant { font-family: 'Hacm Alblant', monospace; }
.hacm-text.hacm-fenlil { font-family: 'Hacm Fenlil', monospace; }
.hacm-text.hacm-lantia { font-family: 'Hacm Lantia', monospace; }
.hacm-text.hacm-olivia { font-family: 'Hacm Olivia', monospace; }
.hacm-text.hacm-nalnia { font-family: 'Hacm Nalnia', monospace; }
.hacm-text.hacm-fialis { font-family: 'Hacm Fialis', monospace; }
.hacm-text.hacm-defans { font-family: 'Hacm Defans', monospace; }
.hacm-text.hacm-inje { font-family: 'Hacm Inje', monospace; }

.hacm-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-2) 0;
  border-top: 1px solid var(--color-divider);
}
.hacm-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 10px;
  font-size: var(--text-xs);
  font-weight: 500;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}
.hacm-toggle-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.hacm-toggle-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.hacm-font-select {
  font-size: var(--text-xs);
  padding: 2px 6px;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-text);
  cursor: pointer;
}
.hacm-font-select:focus {
  outline: none;
  border-color: var(--color-primary);
}
.hacm-display {
  margin-top: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1px dashed var(--color-divider);
  border-radius: var(--radius-md);
  text-align: center;
  min-height: 3em;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hacm-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Footer credits */
.footer-credits {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}
.footer-credits a {
  color: var(--color-primary);
  text-decoration: none;
}
.footer-credits a:hover {
  text-decoration: underline;
}

/* Credits Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}
.credits-modal-content {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: var(--space-6);
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.modal-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-muted);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}
.modal-close:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}
.credits-body h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.credits-body p {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.credits-body ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-4) 0;
}
.credits-body ul li {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text);
  padding: var(--space-1) 0;
  padding-left: var(--space-4);
  position: relative;
}
.credits-body ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}
.credits-closing {
  font-style: italic;
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}
.credits-arka {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  margin-top: var(--space-3);
}
.credits-arka-jp {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
}