@font-face {
  font-family: Geist;
  src: url('../assets/fonts/geist-variable.woff2') format('woff2');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

/* One palette clock keeps inherited text and independently colored surfaces in sync. */
@property --appearance-progress {
  syntax: '<number>';
  inherits: true;
  initial-value: 0;
}

/* Resolve the shared mix weight before colors inherit it. */
@property --appearance-light {
  syntax: '<percentage>';
  inherits: true;
  initial-value: 100%;
}

:root {
  color-scheme: light;
  --appearance-progress: 0;
  --appearance-light: calc(100% - var(--appearance-progress) * 100%);
  --appearance-duration: 320ms;
  --appearance-easing: ease;
  --appearance-color-duration: var(--appearance-duration);
  --app-primary: color-mix(in srgb, #253d81 var(--appearance-light), #afc2fa);
  --app-primary-dark: color-mix(in srgb, #1c306b var(--appearance-light), #cad7fb);
  --app-primary-soft: color-mix(in srgb, #edf1fb var(--appearance-light), #23314f);
  --app-bg: color-mix(in srgb, #f6f7fa var(--appearance-light), #121722);
  --surface: color-mix(in srgb, #fefeff var(--appearance-light), #1a2130);
  --surface-subtle: color-mix(in srgb, #f8f9fc var(--appearance-light), #1e2738);
  --border: color-mix(in srgb, #dfe3ec var(--appearance-light), #333f54);
  --border-hover: color-mix(in srgb, #7c899e var(--appearance-light), #79879f);
  --text: color-mix(in srgb, #202a3d var(--appearance-light), #f1f3fa);
  --muted: color-mix(in srgb, #5c687c var(--appearance-light), #b0bdd2);
  --accent: var(--app-primary);
  --accent-hover: var(--app-primary-dark);
  --accent-soft: var(--app-primary-soft);
  --accent-text: color-mix(in srgb, #f9faff var(--appearance-light), #17243f);
  --success: color-mix(in srgb, #157347 var(--appearance-light), #67c895);
  --success-hover: color-mix(in srgb, #11613b var(--appearance-light), #8bd8ad);
  --danger: color-mix(in srgb, #ac233c var(--appearance-light), #ffa0b0);
  --danger-hover: color-mix(in srgb, #8f1d32 var(--appearance-light), #ffc0cb);
  --danger-soft: color-mix(in srgb, #fff0f2 var(--appearance-light), #3a2632);
  --status-text: var(--accent-text);
  --focus-ring: color-mix(in srgb, #5374c6 var(--appearance-light), #b1c6ff);
  --sidebar-bg: var(--surface);
  --sidebar-text: var(--muted);
  --sidebar-border: var(--border);
  --sidebar-hover: var(--surface-subtle);
  --sidebar-active: var(--accent-soft);
  --shadow-sm: 0 2px 4px color-mix(in srgb, rgb(35 51 81 / 3%) var(--appearance-light), rgb(9 15 29 / 12%)),
    0 12px 36px color-mix(in srgb, rgb(35 51 81 / 4%) var(--appearance-light), rgb(9 15 29 / 16%));
  --shadow-md: 0 0.75rem 2rem color-mix(in srgb, rgb(35 51 81 / 8%) var(--appearance-light), rgb(9 15 29 / 24%));
  --appearance-transition: background-color var(--appearance-color-duration) var(--appearance-easing),
    color var(--appearance-color-duration) var(--appearance-easing),
    border-color var(--appearance-color-duration) var(--appearance-easing),
    box-shadow var(--appearance-color-duration) var(--appearance-easing),
    outline-color var(--appearance-color-duration) var(--appearance-easing),
    scrollbar-color var(--appearance-color-duration) var(--appearance-easing);
  --settings-width: 320px;
  --control-radius: 8px;
  --panel-radius: 16px;
  --app-font-family: Geist, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --bs-body-font-family: var(--app-font-family);
  --bs-body-color: var(--text);
  --bs-body-bg: var(--app-bg);
  --bs-primary: var(--app-primary);
  --bs-primary-rgb: 37, 61, 129;
  --bs-link-color: var(--app-primary);
  --bs-link-hover-color: var(--app-primary-dark);
  --bs-border-color: var(--border);
  --bs-secondary-color: var(--muted);
  --bs-secondary-bg: color-mix(in srgb, #e9ecef var(--appearance-light), #343a40);
  --bs-tertiary-bg: color-mix(in srgb, #f8f9fa var(--appearance-light), #1e2738);
  --bs-emphasis-color: color-mix(in srgb, #000 var(--appearance-light), #fff);
  transition: --appearance-progress var(--appearance-duration) var(--appearance-easing);
}

:root[data-bs-theme='dark'] {
  color-scheme: dark;
  --appearance-progress: 1;
  --bs-primary-rgb: 175, 194, 250;
}

/* Let palette values paint directly during a mode change, then restore hover fades. */
:root[data-appearance-transition] {
  --appearance-color-duration: 0s;
}

/* Preserve hover/focus fades; mode changes instead follow the root palette directly. */
body, a, code,
.app-sidebar, .app-page-header, .app-page-header h1 i, .app-settings,
.app-sidebar__link, .card, .alert, .text-primary, .text-secondary, .text-muted,
.form-text, .form-label, .settings-label, .settings-header,
.settings-section, .audio-bar, #recording-status,
.nav-tabs, .nav-link, .nav-tabs .nav-link.active::after, .tab-content,
.form-control, .form-control::placeholder, .form-select, .form-check-input,
.page-link {
  transition: var(--appearance-transition);
}

/* General */
body {
  min-width: 320px;
  min-height: 100dvh;
  margin: 0;
  color: var(--text);
  font-family: var(--app-font-family);
  font-size: 0.9375rem;
  line-height: 1.6;
  background: var(--app-bg);
}

body.app-shell {
  background-color: var(--app-bg);
}

a {
  color: var(--accent);
}

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

code {
  color: var(--accent);
}

#app {
  width: 100%;
  padding-bottom: 3rem;
  box-sizing: border-box;
}

.app-layout {
  display: flex;
  min-height: 100vh;
}

.app-sidebar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex: 0 0 240px;
  flex-direction: column;
  width: 240px;
  height: 100vh;
  padding: 1.5rem 1rem;
  color: var(--text);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
}

.app-sidebar__nav {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.35rem;
}

.app-sidebar__footer {
  flex-wrap: wrap;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 0.75rem 0;
  margin-top: 1rem;
  gap: 0.75rem;
}

.sign-out-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  color: var(--sidebar-text);
  background: transparent;
  border: 1px solid var(--sidebar-border);
  border-radius: var(--control-radius);
  font: inherit;
  cursor: pointer;
}

.sign-out-button svg { width: 1.25rem; height: 1.25rem; flex: 0 0 auto; }
.sign-out-button:hover { color: var(--accent); background: var(--sidebar-hover); }
.sign-out-button:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 3px; }
.session-status { flex-basis: 100%; color: var(--danger); font-size: 0.8125rem; }
.session-status:empty { display: none; }

.app-sidebar__link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.75rem;
  padding: 0.625rem 0.75rem;
  color: var(--sidebar-text);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--control-radius);
}

.app-sidebar__link:hover,
.app-sidebar__link:focus-visible {
  color: var(--accent);
  background: var(--sidebar-hover);
  border-color: var(--sidebar-border);
}

.app-sidebar__link.active {
  color: var(--accent);
  background: var(--sidebar-active);
}

.app-sidebar__link i {
  width: 1.125rem;
  text-align: center;
}

.app-main {
  display: flex;
  flex: 1;
  min-width: 0;
  padding: 1.5rem 2rem 3rem;
  overflow-y: visible;
}

.app-main--settings {
  padding-right: calc(2rem + var(--settings-width));
}

.app-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.app-page-header h1,
.docs-page-header h1 {
  font-size: 1.75rem;
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: -0.045em;
}

.app-page-header h1 {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  margin-bottom: 0 !important;
  color: inherit !important;
  transition: none;
  text-align: left;
}

.app-page-header h1 i {
  color: var(--accent);
}

.app-content-grid {
  display: block;
  flex: 1;
  min-height: 0;
}

.app-content {
  min-height: 0;
  padding-bottom: 2rem;
  overflow: visible;
}

.app-settings {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 10;
  width: var(--settings-width);
  height: 100vh;
  padding: 1.5rem 1.25rem;
  overflow: hidden;
  color: inherit;
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-sizing: border-box;
  transition-property: background-color, border-color, box-shadow;
}

.btn.appearance-toggle {
  --toggle-color: color-mix(in srgb, #9a5700 var(--appearance-light), #c6d4ff);
  --toggle-sky: color-mix(in srgb, #fff0cb var(--appearance-light), #2a395b);
  --toggle-track: color-mix(in srgb, #c5e1f6 var(--appearance-light), #141c2e);
  --toggle-border: color-mix(in srgb, #4976a3 var(--appearance-light), #6d82ad);
  --toggle-offset: 0px;
  --toggle-spring: cubic-bezier(0.22, 1.5, 0.36, 1);
  --bs-btn-active-color: var(--toggle-color);
  --bs-btn-active-bg: var(--toggle-track);
  --bs-btn-active-border-color: var(--toggle-border);
  position: relative;
  isolation: isolate;
  display: grid;
  align-items: center;
  justify-items: start;
  gap: 0;
  flex-shrink: 0;
  width: 64px;
  height: 36px;
  min-height: 36px;
  padding: 3px;
  color: var(--toggle-color);
  background: var(--toggle-track);
  border: 1px solid var(--toggle-border);
  border-radius: 999px;
  cursor: pointer;
  transition: transform 220ms var(--toggle-spring), var(--appearance-transition);
}
.appearance-toggle::before, .appearance-toggle::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-position: center;
  background-size: cover;
  pointer-events: none;
  transition: opacity var(--appearance-duration) var(--appearance-easing);
}
.appearance-toggle::before {
  background-image: url('../assets/appearance-day.svg');
  opacity: 1;
}
.appearance-toggle::after {
  background-image: url('../assets/appearance-night.svg');
  opacity: 0;
}
.appearance-toggle__thumb {
  position: relative;
  /* Keep the moving thumb above the two decorative sky layers. */
  z-index: 1;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  pointer-events: none;
  transform: translateX(var(--toggle-offset));
  transition: transform 620ms var(--toggle-spring);
}
.appearance-toggle__thumb::before, .appearance-toggle__thumb::after, .appearance-toggle .icon {
  grid-area: 1 / 1;
  pointer-events: none;
}
.appearance-toggle__thumb::before {
  content: '';
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--toggle-sky);
  box-shadow: 0 2px 5px color-mix(in srgb, rgb(102 68 15 / 18%) var(--appearance-light), rgb(9 15 29 / 28%));
  transition: transform 400ms var(--toggle-spring), var(--appearance-transition);
}
.appearance-toggle .icon {
  position: relative;
  width: 18px;
  height: 18px;
  transform-origin: center;
  transition: transform 620ms var(--toggle-spring), opacity 180ms ease;
}
.appearance-sun { opacity: 1; transform: rotate(0) scale(1); }
.appearance-moon { opacity: 0; transform: rotate(-100deg) scale(0.2); }
.appearance-toggle__thumb::after {
  content: '';
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 4px 5px 0 -0.5px currentColor;
  opacity: 0;
  transform: translate(5px, -6px) scale(0);
  transition: transform 500ms var(--toggle-spring), opacity 180ms ease;
}
:root[data-bs-theme='dark'] .appearance-toggle {
  --toggle-offset: 28px;
}
:root[data-bs-theme='dark'] .appearance-toggle::before { opacity: 0; }
:root[data-bs-theme='dark'] .appearance-toggle::after { opacity: 1; }
:root[data-bs-theme='dark'] .appearance-sun { opacity: 0; transform: rotate(100deg) scale(0.2); }
:root[data-bs-theme='dark'] .appearance-moon { opacity: 1; transform: rotate(0) scale(1); }
:root[data-bs-theme='dark'] .appearance-toggle__thumb::after { opacity: 1; transform: translate(5px, -6px) scale(1); }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .appearance-toggle:hover .appearance-toggle__thumb::before { transform: scale(1.1); }
  .appearance-toggle:hover .appearance-sun { transform: rotate(25deg) scale(1.08); }
  :root[data-bs-theme='dark'] .appearance-toggle:hover .appearance-sun { transform: rotate(100deg) scale(0.2); }
  :root[data-bs-theme='dark'] .appearance-toggle:hover .appearance-moon { transform: rotate(-12deg) scale(1.08); }
}
@media (prefers-reduced-motion: no-preference) {
  :root[data-bs-theme='dark'] .appearance-toggle__thumb::after { transition-delay: 120ms; }
  .btn.appearance-toggle:active:not(:disabled) { transform: scale(0.94); }
}

@media (forced-colors: active) {
  .btn.appearance-toggle { border-color: ButtonText; }
  .appearance-toggle::before, .appearance-toggle::after { display: none; }
  .appearance-toggle__thumb::before { background: ButtonFace; border: 1px solid ButtonText; }
}

:where(button, a, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--focus-ring) !important;
  outline-offset: 4px;
  box-shadow: none !important;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  /* Follow the container's fade without starting a second color transition. */
  color: inherit;
}

.text-muted,
.text-secondary,
.form-text {
  color: var(--muted) !important;
}

/* Navigation */
.nav-tabs {
  gap: 0.25rem;
  border-bottom: 1px solid var(--border-hover);
}

.nav-tabs .nav-link {
  position: relative;
  padding: 0.7rem 0.9rem;
  color: var(--muted);
  font-weight: 600;
  background-color: transparent;
  border: 0;
  border-radius: var(--control-radius) var(--control-radius) 0 0;
}

.nav-tabs .nav-link:hover,
.nav-tabs .nav-link:focus-visible {
  color: var(--accent);
  background: var(--accent-soft);
}

.nav-tabs .nav-link.active {
  color: var(--accent);
  background-color: var(--surface-subtle);
  border: 0;
}

.nav-tabs .nav-link.active::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  content: '';
  background: var(--accent);
}

.tab-content {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border) !important;
}

/* Cards and feedback */
.card {
  --bs-card-spacer-y: 1.5rem;
  --bs-card-spacer-x: 1.5rem;
  color: var(--text);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--panel-radius);
  box-shadow: var(--shadow-sm);
}

.card:not(.static-card):hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
}

.card.static-card,
.card.static-card:hover {
  box-shadow: var(--shadow-sm);
  transform: none;
}

.card audio {
  width: 100%;
}

.alert {
  color: var(--text);
  background: var(--surface);
  border-radius: var(--control-radius);
}

.alert-danger {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: color-mix(in srgb, var(--danger) 36%, var(--border));
  border-left: 4px solid var(--danger);
}

.results-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Audio recording */
.audio-bar {
  display: inline-block;
  width: 4px;
  height: 20px;
  margin: 0 3px;
  background-color: var(--danger);
  animation: audio-wave 0.8s infinite ease-in-out;
}

#recording-status {
  color: var(--text);
  background-color: var(--surface-subtle) !important;
  border: 1px solid var(--border);
}

.audio-bar:nth-child(2) {
  animation-delay: 0.1s;
}

.audio-bar:nth-child(3) {
  animation-delay: 0.2s;
}

.audio-bar:nth-child(4) {
  animation-delay: 0.3s;
}

.audio-bar:nth-child(5) {
  animation-delay: 0.4s;
}

@keyframes audio-wave {
  0%,
  100% {
    transform: scaleY(0.5);
  }
  50% {
    transform: scaleY(1.2);
  }
}

/* Forms */
.form-label,
.speaker-boost .settings-label,
label[for='speaker-boost'],
label[for='remove-noise'] {
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 550;
}

.form-control,
.form-select {
  min-height: 44px;
  padding: 0.55rem 0.75rem;
  color: var(--text);
  background-color: var(--surface);
  border-color: var(--border-hover);
  border-radius: var(--control-radius);
}

.form-control::placeholder {
  color: var(--muted);
  opacity: 0.82;
}

.form-select {
  padding-right: 2.25rem;
}

.form-control[type='file'] {
  padding: 0;
}

.form-control[type='file']::file-selector-button {
  min-height: 2.5rem;
  padding: 0.55rem 0.9rem;
  margin: 0 0.75rem 0 0;
  color: var(--text);
  background: var(--surface-subtle);
  border: 0;
  border-right: 1px solid var(--border-hover);
  border-radius: var(--control-radius) 0 0 var(--control-radius);
  transition: var(--appearance-transition);
}

.form-control[type='file']::-webkit-file-upload-button {
  min-height: 2.5rem;
  padding: 0.55rem 0.9rem;
  margin: 0 0.75rem 0 0;
  color: var(--text);
  background: var(--surface-subtle);
  border: 0;
  border-right: 1px solid var(--border-hover);
  border-radius: var(--control-radius) 0 0 var(--control-radius);
  transition: var(--appearance-transition);
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
  color: var(--text);
  background-color: var(--surface);
  border-color: var(--accent);
  box-shadow: none;
}

.form-range {
  accent-color: var(--accent);
}

.form-range::-webkit-slider-thumb {
  background: var(--accent);
  transition: var(--appearance-transition);
}

.form-range::-moz-range-thumb {
  background: var(--accent);
  border-color: var(--accent);
  transition: var(--appearance-transition);
}

.form-range::-webkit-slider-runnable-track {
  transition: var(--appearance-transition);
}

.form-range::-moz-range-track {
  transition: var(--appearance-transition);
}

.form-check-input {
  border-color: var(--border-hover);
  accent-color: var(--accent);
}

.form-check-input:checked {
  background-color: var(--accent);
  border-color: var(--accent);
}

:root[data-bs-theme='dark'] .form-check-input[type='checkbox']:checked {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%2317243f' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
}

/* Buttons */
.btn {
  --bs-btn-border-radius: var(--control-radius);
  --bs-btn-border-radius-sm: var(--control-radius);
  min-height: 44px;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 550;
  transition: transform 150ms ease, var(--appearance-transition);
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
}

.btn-primary {
  --bs-btn-color: var(--accent-text);
  --bs-btn-bg: var(--app-primary);
  --bs-btn-border-color: var(--app-primary);
  --bs-btn-hover-color: var(--accent-text);
  --bs-btn-hover-bg: var(--app-primary-dark);
  --bs-btn-hover-border-color: var(--app-primary-dark);
  --bs-btn-active-color: var(--accent-text);
  --bs-btn-active-bg: var(--app-primary-dark);
  --bs-btn-active-border-color: var(--app-primary-dark);
  --bs-btn-disabled-color: var(--accent-text);
  --bs-btn-disabled-bg: var(--app-primary);
  --bs-btn-disabled-border-color: var(--app-primary);
}

.btn-outline-primary {
  --bs-btn-color: var(--accent);
  --bs-btn-border-color: var(--accent);
  --bs-btn-hover-color: var(--accent-text);
  --bs-btn-hover-bg: var(--app-primary);
  --bs-btn-hover-border-color: var(--app-primary);
  --bs-btn-active-color: var(--accent-text);
  --bs-btn-active-bg: var(--app-primary-dark);
  --bs-btn-active-border-color: var(--app-primary-dark);
  --bs-btn-disabled-color: var(--accent);
  --bs-btn-disabled-border-color: var(--accent);
}

.btn-secondary,
.btn-outline-secondary {
  --bs-btn-color: var(--text);
  --bs-btn-bg: var(--surface);
  --bs-btn-border-color: var(--border-hover);
  --bs-btn-hover-color: var(--accent);
  --bs-btn-hover-bg: var(--accent-soft);
  --bs-btn-hover-border-color: var(--accent);
  --bs-btn-active-color: var(--accent-hover);
  --bs-btn-active-bg: var(--accent-soft);
  --bs-btn-active-border-color: var(--accent-hover);
  --bs-btn-disabled-color: var(--muted);
  --bs-btn-disabled-bg: var(--surface);
  --bs-btn-disabled-border-color: var(--border-hover);
  color: var(--text);
  background: var(--surface);
  border-color: var(--border-hover);
}

.btn-secondary:hover,
.btn-secondary:focus-visible,
.btn-outline-secondary:hover,
.btn-outline-secondary:focus-visible {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent);
}

.btn-success {
  --bs-btn-color: var(--status-text);
  --bs-btn-bg: var(--success);
  --bs-btn-border-color: var(--success);
  --bs-btn-hover-color: var(--status-text);
  --bs-btn-hover-bg: var(--success-hover);
  --bs-btn-hover-border-color: var(--success-hover);
  --bs-btn-active-color: var(--status-text);
  --bs-btn-active-bg: var(--success-hover);
  --bs-btn-active-border-color: var(--success-hover);
  --bs-btn-disabled-color: var(--status-text);
  --bs-btn-disabled-bg: var(--success);
  --bs-btn-disabled-border-color: var(--success);
}

.btn-danger {
  --bs-btn-color: var(--status-text);
  --bs-btn-bg: var(--danger);
  --bs-btn-border-color: var(--danger);
  --bs-btn-hover-color: var(--status-text);
  --bs-btn-hover-bg: var(--danger-hover);
  --bs-btn-hover-border-color: var(--danger-hover);
  --bs-btn-active-color: var(--status-text);
  --bs-btn-active-bg: var(--danger-hover);
  --bs-btn-active-border-color: var(--danger-hover);
  --bs-btn-disabled-color: var(--status-text);
  --bs-btn-disabled-bg: var(--danger);
  --bs-btn-disabled-border-color: var(--danger);
}

.text-primary {
  color: var(--accent) !important;
}

/* Pagination */
.page-link {
  color: var(--accent);
  background: var(--surface);
  border-color: var(--border);
}

.page-link:hover {
  color: var(--accent-hover);
  background: var(--accent-soft);
  border-color: var(--border-hover);
}

.active > .page-link,
.page-link.active {
  color: var(--accent-text);
  background: var(--app-primary);
  border-color: var(--app-primary);
}

.disabled > .page-link,
.page-link.disabled {
  color: var(--muted);
  background: var(--surface-subtle);
  border-color: var(--border);
}

/* Settings panels */
.settings-panel.static-card {
  height: 100%;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  transition-property: background-color, border-color, box-shadow;
}

.settings-panel:hover {
  box-shadow: none !important;
}

.settings-panel .card-body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  height: 100%;
  padding: 0 0.4rem 0.5rem;
  overflow-x: visible;
  overflow-y: auto;
  scrollbar-color: var(--border-hover) transparent;
  scrollbar-width: thin;
}

.settings-header {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  padding-bottom: 0.75rem;
  margin-bottom: 0.25rem;
  border-bottom: 1px solid var(--border);
  transition-property: border-color;
}

.settings-header h2 {
  color: inherit;
  font-weight: 700;
}

.settings-section {
  padding: 0.7rem 0;
  transition-property: border-color;
}

.settings-section + .settings-section {
  border-top: 1px solid color-mix(in srgb, var(--border) 68%, transparent);
}

.settings-section .form-label {
  margin-bottom: 0.35rem;
}

/* Inherit the sidebar's text fade without restarting it at each nested label. */
.app-settings .form-label,
.app-settings .form-check-label {
  color: inherit;
  transition: none;
}

.app-settings .form-control,
.app-settings .form-select {
  color: inherit;
  transition-property: background-color, border-color, box-shadow;
}

.app-settings :where(.reset-btn) {
  color: inherit;
}

.app-settings .settings-label {
  display: inline-block;
  margin-bottom: 0.25rem;
  color: inherit;
  cursor: help;
  border-bottom: 2px dotted var(--muted);
  text-underline-offset: 2px;
  transition-property: border-color;
}

.settings-panel .card-body::-webkit-scrollbar {
  width: 6px;
}

.settings-panel .card-body::-webkit-scrollbar-track {
  background: transparent;
}

.settings-panel .card-body::-webkit-scrollbar-thumb {
  background: var(--border-hover);
  border-radius: 999px;
}

.tooltip .tooltip-inner {
  padding: 0.4rem 0.6rem;
  font-size: 0.75rem;
  line-height: 1.35;
}

.settings-panel .reset-btn {
  width: auto;
  margin-top: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  transition-property: transform, background-color, border-color, box-shadow;
}

@media (max-width: 1023px) {
  .app-layout {
    flex-direction: column;
  }

  .app-sidebar {
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    flex-basis: auto;
    width: 100%;
    height: auto;
    padding: 0.75rem;
    border-right: 0;
    border-bottom: 1px solid var(--sidebar-border);
  }

  .app-sidebar__nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .app-sidebar__link {
    padding: 0.5rem;
    gap: 0.35rem;
    font-size: 0.85rem;
  }

  .app-sidebar__footer {
    margin: 0;
    padding: 0 0 0 0.5rem;
  }

  .app-main,
  .app-main--settings {
    padding: 1.25rem 1rem;
  }

  .app-settings {
    position: static;
    width: 100%;
    height: auto;
    padding: 1.25rem 0;
    border-left: 0;
    border-top: 1px solid var(--border);
    background: transparent;
  }

  .settings-panel .card-body {
    height: auto;
    overflow: visible;
  }
}

@media (max-width: 639px) {
  .app-page-header h1,
  .docs-page-header h1 {
    font-size: 1.5rem;
  }
}

.audio-output__player {
  max-width: 100%;
  width: 100%;
}

.audio-output__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.audio-version-selector {
  width: 10rem;
  max-width: 100%;
  margin-top: 0.75rem;
}

.audio-version-selector label {
  display: block;
  margin-bottom: 0.35rem;
}

.audio-version-selector .form-select-sm {
  min-height: 40px;
  padding-block: 0.4rem;
}

/* The confirmation shares the app palette in both appearance modes. */
.audio-version-confirmation {
  width: min(32rem, calc(100% - 2rem));
  padding: 1.5rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--panel-radius);
  box-shadow: var(--shadow-md);
}

.audio-version-confirmation::backdrop {
  background: rgb(10 18 35 / 55%);
}

.audio-output__status {
  margin-block: 0.5rem 0;
  font-size: 0.85rem;
}

.audio-output__status:empty {
  display: none;
}

.audio-output__error {
  color: var(--danger);
}

@media (max-width: 479px) {
  .app-sidebar {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.5rem;
  }

  .app-sidebar__footer {
    padding: 0;
  }
}

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