/* ===== DESIGN TOKENS ===== */
:root {
  /* Brand palette */
  --color-oxford-blue:  #0a1137;
  --color-baby-powder:  #f5f7f3;
  --color-madder:       #a6112f;
  --color-madder-dark:  #f0a4b0;
  --color-rose-quartz:  #aca6bb;
  --color-ink-black:    #0d0d1a;

  /* Semantic tokens — light mode */
  --bg:           var(--color-baby-powder);
  --fg:           var(--color-oxford-blue);
  --fg-muted:     color-mix(in oklch, var(--color-oxford-blue) 55%, transparent);
  --fg-strong:    var(--color-ink-black);
  --bg-elevated:  #ffffff;
  --border:       color-mix(in oklch, var(--color-oxford-blue) 12%, transparent);
  --border-strong:color-mix(in oklch, var(--color-oxford-blue) 22%, transparent);
  --button-bg:    var(--color-oxford-blue);
  --button-fg:    var(--color-baby-powder);
  --accent:       var(--color-madder);
  --cta-bg:       var(--color-madder);
  --cta-fg:       var(--color-baby-powder);
  --focus-ring:   var(--color-madder);
  --table-header-bg: var(--color-oxford-blue);
  --table-header-fg: var(--color-baby-powder);

  /* Spacing (4px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.5rem;
  --space-6:  2rem;
  --space-7:  3rem;
  --space-8:  4rem;
  --space-9:  6rem;

  /* Radii */
  --radius-xs:   2px;
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   14px;
  --radius-pill: 999px;

  /* Shadows (Oxford-tinted) */
  --shadow-sm: 0 2px 6px -1px rgba(10,17,55,.08), 0 1px 2px 0 rgba(10,17,55,.04);
  --shadow-md: 0 8px 20px -6px rgba(10,17,55,.14), 0 2px 4px 0 rgba(10,17,55,.06);

  /* Typography */
  --font-heading: "CormorantGaramond", "EB Garamond", Georgia, serif;
  --font-body:    "Nunito", system-ui, sans-serif;
  --tracking-heading: -0.01em;
  --tracking-overline: 0.12em;

  /* Motion */
  --duration-base: 200ms;
  --ease-standard: cubic-bezier(.4, 0, .2, 1);
}

/* Dark mode tokens */
:root[data-theme="dark"] {
  --bg:            var(--color-ink-black);
  --fg:            var(--color-baby-powder);
  --fg-muted:      var(--color-rose-quartz);
  --fg-strong:     var(--color-baby-powder);
  --bg-elevated:   #141425;
  --border:        color-mix(in oklch, var(--color-baby-powder) 10%, transparent);
  --border-strong: color-mix(in oklch, var(--color-baby-powder) 20%, transparent);
  --button-bg:     var(--color-rose-quartz);
  --button-fg:     var(--color-oxford-blue);
  --accent:        var(--color-madder-dark);
  --cta-bg:        var(--color-madder-dark);
  --cta-fg:        var(--color-ink-black);
  --focus-ring:    var(--color-madder-dark);
  --table-header-bg: color-mix(in oklch, var(--color-baby-powder) 8%, transparent);
  --table-header-fg: var(--color-baby-powder);
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
fieldset { border: none; }

html { scroll-behavior: smooth; }

body {
  font: 300 1rem/1.6 var(--font-body);
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1400px;
  margin-inline: auto;
  padding-inline: var(--space-5);
}

/* ===== TOPBAR ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 1400px;
  margin-inline: auto;
  padding-inline: var(--space-5);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brandblock {
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}

.wordmark {
  font: 600 1.5rem/1 var(--font-heading);
  letter-spacing: 0.01em;
  color: var(--fg-strong);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Icon buttons (home, theme, lang toggle) */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  font-size: 1.125rem;
  text-decoration: none;
}

@media (prefers-reduced-motion: no-preference) {
  .icon-btn { transition: background var(--duration-base) var(--ease-standard),
                           color var(--duration-base) var(--ease-standard); }
}

.icon-btn:hover { background: color-mix(in oklch, var(--fg) 8%, transparent); }
.icon-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* ===== LANGUAGE SWITCHER ===== */
.lang-switcher { position: relative; }

.lang-dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-1);
  min-width: 130px;
  z-index: 200;
}

.lang-dropdown[hidden] { display: none; }

.lang-option {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--fg);
  font: 400 0.875rem/1.4 var(--font-body);
  text-align: left;
  cursor: pointer;
}

@media (prefers-reduced-motion: no-preference) {
  .lang-option { transition: background var(--duration-base) var(--ease-standard); }
}

.lang-option:hover { background: color-mix(in oklch, var(--fg) 6%, transparent); }
.lang-option.active { font-weight: 600; color: var(--accent); }

/* ===== PAGE HEADER ===== */
.page-header {
  padding-block: var(--space-9) var(--space-7);
  text-align: center;
}

.overline {
  font: 600 0.75rem/1.2 var(--font-body);
  text-transform: uppercase;
  letter-spacing: var(--tracking-overline);
  color: var(--fg-muted);
  margin-bottom: var(--space-3);
}

h1 {
  font: 800 clamp(2.25rem, 2.5vw + 1rem, 3.25rem)/1.1 var(--font-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--fg-strong);
  margin-bottom: var(--space-4);
}

.page-subtitle {
  font: 300 1.125rem/1.65 var(--font-body);
  color: var(--fg-muted);
  max-width: 55ch;
  margin-inline: auto;
}

/* ===== CONTROLS ===== */
.controls {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5) 22px;
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.controls-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.control-group--grow { flex: 1; min-width: 180px; }

.control-label {
  font: 600 0.75rem/1.2 var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
}

/* Control label row (label + inline select) */
.control-label-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Form fields */
.field-select,
.field-input {
  font: 400 0.875rem/1.4 var(--font-body);
  background: var(--bg-elevated);
  color: var(--fg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  appearance: none;
  -webkit-appearance: none;
}

@media (prefers-reduced-motion: no-preference) {
  .field-select,
  .field-input { transition: border-color var(--duration-base) var(--ease-standard),
                              box-shadow var(--duration-base) var(--ease-standard); }
}

.field-select:focus,
.field-input:focus {
  outline: none;
  border-color: var(--color-oxford-blue);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent) 18%, transparent);
}

:root[data-theme="dark"] .field-select:focus,
:root[data-theme="dark"] .field-input:focus {
  border-color: var(--color-rose-quartz);
}

.field-select--sm {
  font-size: 0.78rem;
  padding: 3px 8px;
}

.lang-select-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}
.lang-select-wrap select {
  border: none;
  background: transparent;
  padding: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  flex: 1;
  min-width: 0;
  appearance: none;
  -webkit-appearance: none;
}
.lang-select-wrap i {
  font-size: 1rem;
  flex-shrink: 0;
}

.check-dropdown {
  position: relative;
}

.check-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  width: 100%;
  text-align: left;
  cursor: pointer;
  background: var(--bg-elevated);
  color: var(--fg);
}

.check-trigger i {
  font-size: 1rem;
  flex-shrink: 0;
  transition: transform var(--duration-base) var(--ease-standard);
}

.check-trigger[aria-expanded="true"] i {
  transform: rotate(180deg);
}

.check-panel {
  position: absolute;
  top: calc(100% + var(--space-1));
  left: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-2);
  min-width: 160px;
  z-index: 200;
}

.check-panel[hidden] { display: none; }

.check-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-1) 0;
}

.check-group--col {
  flex-direction: column;
}

.check-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font: 500 0.8125rem/1 var(--font-body);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.check-item input[type="checkbox"] {
  width: 1em;
  height: 1em;
  accent-color: var(--button-bg);
  cursor: pointer;
  flex-shrink: 0;
}

/* Language chips */
.lang-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-1) 0;
}

.lang-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  font: 500 0.8125rem/1 var(--font-body);
  padding: 7px 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--fg-muted);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}

@media (prefers-reduced-motion: no-preference) {
  .lang-chip {
    transition: background var(--duration-base) var(--ease-standard),
                color var(--duration-base) var(--ease-standard),
                border-color var(--duration-base) var(--ease-standard);
  }
}

.lang-chip:hover {
  border-color: var(--fg);
  color: var(--fg);
}

.lang-chip.is-active {
  background: var(--button-bg);
  border-color: var(--button-bg);
  color: var(--button-fg);
}

.lang-chip.is-active:hover {
  filter: brightness(0.88);
}

:root[data-theme="dark"] .lang-chip.is-active:hover {
  filter: brightness(1.12);
}

.lang-chip:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.lang-chip[draggable] { cursor: grab; }
.lang-chip.is-dragging { opacity: 0.4; cursor: grabbing; }

/* Search row */
.search-row { display: flex; }

.search-wrap {
  position: relative;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fg-muted);
  font-size: 1rem;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding-left: 36px;
  border-radius: var(--radius-sm);
}

.controls-error {
  font: 400 0.875rem/1.4 var(--font-body);
  color: var(--color-madder);
  padding: var(--space-2) var(--space-3);
  background: color-mix(in oklch, var(--color-madder) 8%, transparent);
  border: 1px solid color-mix(in oklch, var(--color-madder) 25%, transparent);
  border-radius: var(--radius-sm);
}

:root[data-theme="dark"] .controls-error { color: var(--color-madder-dark); }

/* ===== BUTTON ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font: 600 0.875rem/1 var(--font-body);
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--button-bg);
  color: var(--button-fg);
  cursor: pointer;
  white-space: nowrap;
  align-self: flex-end;
  text-decoration: none;
}

@media (prefers-reduced-motion: no-preference) {
  .btn { transition: filter var(--duration-base) var(--ease-standard),
                      transform var(--duration-base) var(--ease-standard); }
}

.btn:hover        { filter: brightness(0.92); }
.btn:active       { filter: brightness(0.82); transform: translateY(1px); }
.btn:focus-visible{ outline: 2px solid var(--focus-ring); outline-offset: 3px; }

:root[data-theme="dark"] .btn:hover { filter: brightness(1.10); }
:root[data-theme="dark"] .btn:active{ filter: brightness(1.20); transform: translateY(1px); }

/* ===== SECTION BLOCKS ===== */
.section-block {
  margin-bottom: var(--space-8);
}

.section-heading {
  font: var(--h2);
  font: 600 clamp(1.75rem, 1.5vw + 1rem, 2.5rem)/1.15 var(--font-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--fg-strong);
  margin-bottom: var(--space-4);
}

.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin-bottom: var(--space-5);
}

/* ===== PHRASE TABLE ===== */
.table-responsive {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.phrase-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
  background: var(--bg-elevated);
}

.phrase-table th {
  background: var(--table-header-bg);
  color: var(--table-header-fg);
  font: 600 0.8125rem/1 var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
}

.phrase-table td {
  padding: 12px 16px;
  font: 300 0.9375rem/1.5 var(--font-body);
  color: var(--fg);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.phrase-table tbody tr:last-child td { border-bottom: none; }

@media (prefers-reduced-motion: no-preference) {
  .phrase-table tbody tr { transition: background var(--duration-base) var(--ease-standard); }
}

.phrase-table tbody tr:hover {
  background: color-mix(in oklch, var(--fg) 4%, transparent);
}


/* Phrase cell multi-line display */
.phrase-text {
  word-break: break-word;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.phrase-written {
  font: 300 0.9375rem/1.5 var(--font-body);
}

.phrase-transcription {
  font: 400 0.8125rem/1.4 var(--font-body);
  color: var(--fg-muted);
  font-style: italic;
}

.phrase-ipa {
  font: 400 0.8125rem/1.4 var(--font-body);
  color: var(--fg-muted);
  font-family: monospace;
}

/* Language cell with inline audio button */
.phrase-cell {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
}

.phrase-cell-audio {
  font-size: 0.875rem;
  padding: var(--space-1);
  flex-shrink: 0;
  opacity: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .phrase-cell-audio { transition: opacity var(--duration-base) var(--ease-standard); }
}

.phrase-row:hover .phrase-cell-audio,
.phrase-cell-audio:focus-visible,
.phrase-cell-audio.speaking {
  opacity: 1;
}

/* ===== AUDIO BUTTON ===== */
.audio-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--fg-muted);
  font-size: 1.125rem;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (prefers-reduced-motion: no-preference) {
  .audio-btn { transition: color var(--duration-base) var(--ease-standard); }
}

.audio-btn:hover       { color: var(--fg); }
.audio-btn:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.audio-btn.speaking    { color: var(--accent); }

@keyframes pulse-scale {
  from { transform: scale(1); }
  to   { transform: scale(1.2); }
}

@media (prefers-reduced-motion: no-preference) {
  .audio-btn.speaking {
    animation: pulse-scale 0.5s ease-in-out infinite alternate;
  }
}


/* ===== PHRASE CARDS ===== */
.phrase-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

.phrase-card {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.phrase-card-langs {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.phrase-card-lang {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.phrase-card-label {
  font: 600 0.6875rem/1.2 var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
}

.phrase-card + .phrase-card { border-top: none; }

.phrase-card-lang-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ===== LOADING / EMPTY STATES ===== */
.loading-state,
.no-results,
.error-state {
  padding: var(--space-8) var(--space-5);
  text-align: center;
  font: 300 1rem/1.6 var(--font-body);
  color: var(--fg-muted);
}

.error-state {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--color-madder);
}

:root[data-theme="dark"] .error-state { color: var(--color-madder-dark); }

/* ===== TTS STATUS ===== */
.tts-status {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  background: color-mix(in oklch, var(--color-ink-black) 85%, transparent);
  color: var(--color-baby-powder);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  font: 400 0.875rem/1.4 var(--font-body);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .tts-status { transition: opacity var(--duration-base) var(--ease-standard); }
}

.tts-status.visible { opacity: 1; }

/* ===== FOOTER ===== */
.site-footer {
  margin-top: var(--space-9);
  border-top: 1px solid var(--border);
  padding-block: var(--space-6);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-hint {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font: 300 0.875rem/1.4 var(--font-body);
  color: var(--fg-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-5);
}

/* Link styles */
a, a:visited, a:focus, a:hover, a:active { color: inherit; }

.link {
  font: 300 0.875rem/1.4 var(--font-body);
  text-decoration: underline dotted;
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
}

a:visited.link { text-decoration-style: dashed; }

a:focus.link,
a:hover.link,
a:active.link {
  text-decoration-style: wavy;
  text-underline-offset: 2px;
}

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

/* ===== CTA BANNER ===== */
.cta-banner {
  border-top: 1px solid var(--border);
  padding-block: var(--space-8);
}

.cta-banner .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-5);
}

.cta-banner__heading {
  font: 600 1.125rem/1.3 var(--font-heading);
  margin-bottom: var(--space-1);
}

.cta-banner__sub {
  font: 300 0.875rem/1.4 var(--font-body);
  color: var(--fg-muted);
}

.cta-banner .btn { align-self: center; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .controls-row { flex-direction: column; align-items: stretch; }
  .btn { align-self: center; }
  .page-header { padding-block: var(--space-7) var(--space-6); }
  .topbar-inner { height: 52px; }
  .site-footer .container { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .container { padding-inline: var(--space-4); }
  .topbar-inner { padding-inline: var(--space-4); }
}