:root {
  color-scheme: light;
  --page: #f4f7f7;
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --field: #f8fafa;
  --text: #172322;
  --muted: #667372;
  --line: #d8e0df;
  --line-strong: #b9c7c5;
  --accent: #087f73;
  --accent-strong: #05685f;
  --accent-soft: #e1f3ef;
  --danger: #d34a4a;
  --danger-soft: #fae8e7;
  --warning: #a7670b;
  --info: #1679a6;
  --shadow: 0 12px 32px rgba(24, 49, 46, 0.1);
  --header-bg: rgba(244, 247, 247, 0.88);
  font-family: Tahoma, "Segoe UI", Arial, sans-serif;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --page: #0e1416;
  --surface: #141c1f;
  --surface-raised: #192326;
  --field: #10181a;
  --text: #eef4f3;
  --muted: #9ba9a7;
  --line: #2a3739;
  --line-strong: #405053;
  --accent: #42b9a7;
  --accent-strong: #63cfbe;
  --accent-soft: #163a36;
  --danger: #ff7272;
  --danger-soft: #412526;
  --warning: #e1a64d;
  --info: #58b7dc;
  --shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
  --header-bg: rgba(14, 20, 22, 0.88);
}

@media (prefers-color-scheme: dark) {
  html[data-theme="auto"] {
    color-scheme: dark;
    --page: #0e1416;
    --surface: #141c1f;
    --surface-raised: #192326;
    --field: #10181a;
    --text: #eef4f3;
    --muted: #9ba9a7;
    --line: #2a3739;
    --line-strong: #405053;
    --accent: #42b9a7;
    --accent-strong: #63cfbe;
    --accent-soft: #163a36;
    --danger: #ff7272;
    --danger-soft: #412526;
    --warning: #e1a64d;
    --info: #58b7dc;
    --shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
    --header-bg: rgba(14, 20, 22, 0.88);
  }
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--page);
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
  letter-spacing: 0;
}

button,
label[for] {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
[contenteditable="true"]:focus-visible,
label[for]:focus-within {
  outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent);
  outline-offset: 2px;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  inset-block-start: 8px;
  inset-inline-start: 8px;
  z-index: 100;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--text);
  color: var(--page);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.app-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 30;
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px max(18px, env(safe-area-inset-right)) 10px max(18px, env(safe-area-inset-left));
  border-block-end: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
  direction: ltr;
}

.brand img {
  display: block;
  flex: 0 0 42px;
}

.brand div {
  display: grid;
  min-width: 0;
}

.brand strong {
  font-size: 17px;
  line-height: 1.25;
}

.connection-status {
  overflow: hidden;
  max-width: 230px;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.connection-status::before {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-inline-end: 6px;
  border-radius: 50%;
  background: var(--warning);
  content: "";
}

.connection-status[data-state="online"]::before {
  background: var(--accent);
}

.connection-status[data-state="offline"]::before {
  background: var(--danger);
}

.icon-button,
.control-button,
.text-button,
.primary-button,
.nav-button {
  border: 1px solid transparent;
  color: var(--text);
  cursor: pointer;
}

.icon-button {
  display: inline-grid;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  place-items: center;
  border-color: var(--line);
  border-radius: 7px;
  background: var(--surface);
  font-size: 20px;
}

.icon-button:hover,
.text-button:hover,
.control-button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.app-shell {
  display: grid;
  grid-template-columns: 178px minmax(0, 1fr);
  gap: 30px;
  width: min(1240px, 100%);
  margin: 0 auto;
  padding: 28px 24px 70px;
}

.app-nav {
  position: sticky;
  inset-block-start: 98px;
  display: grid;
  align-self: start;
  gap: 5px;
}

.nav-button {
  display: grid;
  grid-template-columns: 26px 1fr;
  min-height: 46px;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 7px;
  background: transparent;
  text-align: start;
}

.nav-button:hover {
  background: var(--surface);
}

.nav-button.is-active {
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 700;
}

.nav-icon {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  font-size: 20px;
}

.record-nav-icon::before {
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-radius: 50%;
  content: "";
}

.workspace {
  min-width: 0;
}

.view {
  min-height: 520px;
}

.section-heading,
.result-header,
.panel-title-row,
.queue-toolbar,
.rating-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.section-heading {
  min-height: 62px;
  padding-block-end: 16px;
  border-block-end: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 3px;
  color: var(--accent);
  direction: ltr;
  font: 700 11px/1.2 "Segoe UI", Arial, sans-serif;
  text-align: right;
}

h1,
h2,
p {
  letter-spacing: 0;
}

h1,
h2 {
  margin: 0;
  line-height: 1.35;
}

h1 {
  font-size: 25px;
}

h2 {
  font-size: 18px;
}

.model-badge,
.session-only-badge {
  max-width: 48%;
  overflow: hidden;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  direction: ltr;
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recorder-stage {
  display: grid;
  min-height: 430px;
  place-items: center;
  align-content: center;
  gap: 15px;
  padding: 30px 0 26px;
}

.recording-state {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.state-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line-strong);
}

.recording-state[data-state="recording"] {
  color: var(--danger);
}

.recording-state[data-state="recording"] .state-dot {
  background: var(--danger);
  animation: pulse 1.3s ease-in-out infinite;
}

.recording-state[data-state="paused"] {
  color: var(--warning);
}

.recording-state[data-state="paused"] .state-dot {
  background: var(--warning);
}

.recording-state[data-state="processing"] {
  color: var(--info);
}

.recording-state[data-state="processing"] .state-dot {
  background: var(--info);
}

@keyframes pulse {
  50% { opacity: 0.3; transform: scale(0.72); }
}

.waveform {
  display: block;
  width: min(760px, 100%);
  height: 92px;
}

.record-timer {
  direction: ltr;
  font: 600 30px/1 "Segoe UI", Arial, sans-serif;
  font-variant-numeric: tabular-nums;
}

.record-button {
  display: grid;
  width: 112px;
  height: 112px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--danger) 65%, var(--line));
  border-radius: 50%;
  background: var(--danger-soft);
  box-shadow: 0 0 0 10px color-mix(in srgb, var(--danger) 8%, transparent);
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.record-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 13px color-mix(in srgb, var(--danger) 11%, transparent);
}

.record-button:active {
  transform: scale(0.97);
}

.record-button img {
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.record-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
}

.control-button,
.text-button,
.primary-button {
  min-height: 40px;
  padding: 7px 13px;
  border-color: var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.control-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.control-button:disabled,
.primary-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.primary-control,
.primary-button {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
}

.primary-control:hover:not(:disabled),
.primary-button:hover:not(:disabled) {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: #ffffff;
}

.stop-symbol {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: currentColor;
}

.session-audio {
  display: block;
  width: min(560px, 100%);
  height: 42px;
  margin-block-start: 16px;
}

.preview-panel,
.result-panel {
  padding: 18px 0;
  border-block-start: 1px solid var(--line);
}

.preview-text {
  min-height: 62px;
  margin-block-start: 12px;
  color: var(--text);
  font-size: 17px;
  line-height: 2;
  white-space: pre-wrap;
}

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

.upload-dropzone {
  display: grid;
  min-height: 210px;
  margin-block: 26px 18px;
  place-items: center;
  align-content: center;
  gap: 8px;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  background: var(--field);
  cursor: pointer;
  text-align: center;
}

.upload-dropzone:hover,
.upload-dropzone.is-dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.upload-dropzone span:last-child {
  color: var(--muted);
  direction: ltr;
  font-size: 11px;
}

.upload-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--accent);
  font-size: 28px;
}

.queue-toolbar {
  min-height: 50px;
  padding-block: 8px;
}

.upload-queue,
.history-list {
  display: grid;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.queue-item,
.history-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.queue-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  padding: 10px 12px;
}

.queue-item-main {
  min-width: 0;
}

.queue-item-main strong,
.queue-item-main span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-item-main span {
  color: var(--muted);
  font-size: 12px;
}

.queue-status[data-state="done"] {
  color: var(--accent);
}

.queue-status[data-state="error"] {
  color: var(--danger);
}

.remove-file-button {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 22px;
}

.remove-file-button:hover {
  background: var(--danger-soft);
  color: var(--danger);
}

.history-filter {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding-block: 18px 10px;
}

.history-item {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 12px 14px;
  color: var(--text);
  cursor: pointer;
  text-align: start;
}

.history-item:hover {
  border-color: var(--accent);
}

.history-item p {
  display: -webkit-box;
  overflow: hidden;
  margin: 5px 0 0;
  color: var(--muted);
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.history-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  color: var(--muted);
  direction: ltr;
  font-size: 11px;
}

.history-rating {
  color: var(--warning);
  direction: ltr;
  white-space: nowrap;
}

.empty-state {
  padding: 64px 12px;
  color: var(--muted);
  text-align: center;
}

.settings-form {
  display: grid;
  gap: 0;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 24px 0;
  border: 0;
  border-block-end: 1px solid var(--line);
}

legend {
  margin-block-end: 14px;
  padding: 0;
  font-size: 16px;
  font-weight: 700;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
}

.field {
  display: grid;
  min-width: 0;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.field-wide {
  grid-column: 1 / -1;
}

input,
select {
  width: 100%;
  min-width: 0;
  min-height: 42px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--field);
  color: var(--text);
}

select,
input[type="number"] {
  direction: ltr;
}

input[type="range"] {
  min-height: 28px;
  padding: 0;
  border: 0;
  accent-color: var(--accent);
}

.inline-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px;
  gap: 8px;
}

.segmented-control {
  display: grid;
  width: min(420px, 100%);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--field);
}

.segmented-control input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.segmented-control span {
  display: grid;
  min-height: 38px;
  place-items: center;
  border-radius: 6px;
  cursor: pointer;
}

.segmented-control input:checked + span {
  background: var(--surface-raised);
  box-shadow: 0 1px 5px rgba(20, 50, 46, 0.12);
  color: var(--accent-strong);
  font-weight: 700;
}

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
}

.switch-row span {
  display: grid;
}

.switch-row small {
  color: var(--muted);
}

.switch-row input {
  width: 45px;
  min-height: 24px;
  flex: 0 0 45px;
  accent-color: var(--accent);
}

.preview-tuning {
  margin-block-start: 18px;
}

output {
  float: left;
  color: var(--text);
}

.result-panel {
  margin-block-start: 28px;
  padding-block-start: 24px;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 12px;
  margin-block-start: 6px;
  color: var(--muted);
  direction: ltr;
  font-size: 11px;
}

.result-text {
  min-height: 190px;
  max-height: 58vh;
  overflow: auto;
  margin-block: 18px;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--field);
  font-size: 17px;
  line-height: 2;
  white-space: pre-wrap;
}

.speaker-line {
  margin: 0;
  padding: 5px 9px;
  border-inline-start: 3px solid var(--speaker-color, var(--accent));
}

.speaker-line + .speaker-line {
  margin-block-start: 8px;
}

.speaker-label {
  margin-inline-end: 7px;
  color: var(--speaker-color, var(--accent));
  font-size: 11px;
  font-weight: 700;
}

.speaker-color-0 { --speaker-color: #087f73; }
.speaker-color-1 { --speaker-color: #cf5252; }
.speaker-color-2 { --speaker-color: #247db0; }
.speaker-color-3 { --speaker-color: #a7670b; }
.speaker-color-4 { --speaker-color: #8b55a8; }
.speaker-color-5 { --speaker-color: #47833e; }

.rating-row {
  flex-wrap: wrap;
  padding-block-start: 8px;
  border-block-start: 1px solid var(--line);
}

.rating-control {
  display: flex;
  align-items: center;
  direction: ltr;
}

.rating-control button {
  width: 38px;
  height: 38px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--line-strong);
  cursor: pointer;
  font-size: 27px;
}

.rating-control button.is-active {
  color: var(--warning);
}

.rating-control .clear-rating {
  margin-inline-start: 5px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-size: 13px;
}

.busy-overlay {
  position: fixed;
  z-index: 80;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(5, 12, 13, 0.58);
  backdrop-filter: blur(5px);
}

.busy-dialog {
  display: grid;
  width: min(320px, 100%);
  justify-items: center;
  gap: 9px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-raised);
  box-shadow: var(--shadow);
  text-align: center;
}

.busy-dialog span:last-child {
  color: var(--muted);
  font-size: 12px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--line);
  border-block-start-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.toast {
  position: fixed;
  z-index: 100;
  inset-inline-start: 50%;
  inset-block-end: 24px;
  max-width: min(420px, calc(100% - 32px));
  padding: 10px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--text);
  box-shadow: var(--shadow);
  color: var(--page);
  transform: translateX(50%);
  text-align: center;
}

@media (max-width: 760px) {
  body {
    padding-block-end: calc(76px + env(safe-area-inset-bottom));
  }

  .app-header {
    min-height: 64px;
  }

  .app-shell {
    display: block;
    padding: 18px 16px 42px;
  }

  .app-nav {
    position: fixed;
    z-index: 50;
    inset: auto 0 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    padding: 6px max(6px, env(safe-area-inset-right)) max(6px, env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));
    border-block-start: 1px solid var(--line);
    background: var(--header-bg);
    backdrop-filter: blur(18px);
  }

  .nav-button {
    grid-template-columns: 1fr;
    min-height: 56px;
    justify-items: center;
    gap: 0;
    padding: 4px 2px;
    font-size: 11px;
    text-align: center;
  }

  .nav-button.is-active {
    background: transparent;
    color: var(--accent-strong);
  }

  .nav-icon {
    height: 28px;
  }

  .view {
    min-height: 470px;
  }

  h1 {
    font-size: 22px;
  }

  .section-heading {
    align-items: flex-start;
  }

  .model-badge {
    max-width: 44%;
    margin-block-start: 6px;
  }

  .recorder-stage {
    min-height: 410px;
    padding-block: 24px 18px;
  }

  .waveform {
    height: 82px;
  }

  .record-button {
    width: 98px;
    height: 98px;
  }

  .record-button img {
    width: 56px;
    height: 56px;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .field-wide {
    grid-column: auto;
  }

  .switch-row {
    align-items: flex-start;
  }

  .result-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .result-actions {
    width: 100%;
  }

  .result-actions button {
    flex: 1 1 auto;
  }

  .result-text {
    min-height: 230px;
    padding: 13px;
    font-size: 16px;
  }

  .toast {
    inset-block-end: calc(86px + env(safe-area-inset-bottom));
  }
}

@media (max-width: 420px) {
  .brand strong {
    font-size: 16px;
  }

  .connection-status {
    max-width: 180px;
  }

  .section-heading {
    gap: 8px;
  }

  .queue-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button {
    width: 100%;
  }

  .history-filter {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .history-item {
    grid-template-columns: 1fr;
  }
}

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