body {
  min-height: 100vh;
}

.app-header {
  background: var(--lize-surface);
  border-bottom: 1px solid var(--lize-border);
  padding: 0.5rem 0;
  margin-bottom: 1rem;
}

.app-header__inner {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.app-header__logo {
  height: 28px;
  width: auto;
  flex-shrink: 0;
}

.app-header__text h1 {
  margin: 0;
  font-family: var(--lize-font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--lize-text);
  line-height: 1.25;
}

.app-header__text p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--lize-text-muted);
  line-height: 1.35;
}

.app-main {
  padding-bottom: 2rem;
}

.app-main__narrow {
  margin-left: auto;
  margin-right: auto;
}

.results-section > h2 {
  font-family: var(--lize-font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.75rem;
  color: var(--lize-text);
}

.upload-accordion {
  padding: 0;
  overflow: hidden;
}

.upload-accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease;
}

.upload-accordion--collapsed .upload-accordion__header {
  border-bottom-color: transparent;
}

.upload-accordion:not(.upload-accordion--collapsed) .upload-accordion__header {
  border-bottom-color: var(--lize-border);
}

.upload-accordion__header h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.upload-accordion__toggle {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin: 0;
  padding: 0;
  background: #FAFAFA;
  border: 1px solid var(--lize-border);
  border-radius: var(--lize-radius);
  color: var(--lize-text-muted);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.upload-accordion__toggle:hover {
  color: var(--lize-primary);
  border-color: rgba(236, 93, 36, 0.35);
  background: var(--lize-primary-light);
}

.upload-accordion__chevron {
  display: block;
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.25s ease;
  margin-top: -0.15rem;
}

.upload-accordion__chevron--expanded {
  transform: rotate(-135deg);
  margin-top: 0.15rem;
}

.upload-accordion__body {
  padding: 1rem 1rem 1rem;
  overflow: hidden;
  max-height: 3000px;
  opacity: 1;
  transition: max-height 0.35s ease, opacity 0.25s ease, padding 0.35s ease;
}

.upload-accordion--collapsed .upload-accordion__body {
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
  pointer-events: none;
}

.section-card--loading {
  min-height: 12rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.section-card {
  background: var(--lize-surface);
  border: 1px solid var(--lize-border);
  border-radius: var(--lize-radius);
  padding: 1rem;
  margin-bottom: 1rem;
  box-shadow: var(--lize-shadow);
}

.section-card h2,
.section-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--lize-text);
}

.results-section {
  width: 100%;
  max-width: none;
  margin-top: 1.25rem;
  padding-left: clamp(1rem, 2.5vw, 2rem);
  padding-right: clamp(1rem, 2.5vw, 2rem);
  box-sizing: border-box;
}

.results-section__body {
  width: 100%;
}

.results-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
  margin-top: 1rem;
  width: 100%;
}

.results-split--single {
  grid-template-columns: minmax(0, 1fr);
}

.transcription-pane,
.feedback-pane {
  margin-bottom: 0;
  min-height: 12rem;
}

.transcription-pane .transcription-text {
  max-height: min(75vh, 960px);
  overflow-y: auto;
}

.transcription-pane__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.transcription-pane__header h3 {
  margin: 0;
}

.transcription-pane__actions {
  flex-shrink: 0;
}

.mode-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 0.875rem;
  flex-wrap: wrap;
  background: #FAFAFA;
  border: 1px solid var(--lize-border);
  border-radius: var(--lize-radius);
  padding: 0.2rem;
}

.mode-tabs button {
  flex: 1;
  min-width: 90px;
  margin: 0;
  padding: 0.3rem 0.5rem;
  font-size: 0.8125rem;
  background: transparent;
  border: none;
  color: var(--lize-text-muted);
  font-weight: 500;
  border-radius: calc(var(--lize-radius) - 2px);
  box-shadow: none;
}

.mode-tabs button:hover {
  color: var(--lize-text);
  background: rgba(255, 255, 255, 0.7);
}

.mode-tabs button.active {
  background: var(--lize-surface);
  color: var(--lize-primary);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--lize-border);
}

.form-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.form-actions [type="submit"],
.form-actions .btn-primary {
  --pico-background-color: var(--lize-primary);
  --pico-border-color: var(--lize-primary);
  --pico-color: #fff;
  background-color: var(--lize-primary);
  border-color: var(--lize-primary);
  color: #fff;
  font-weight: 600;
}

.form-actions [type="submit"]:hover:not(:disabled),
.form-actions [type="submit"]:active:not(:disabled),
.form-actions [type="submit"]:focus:not(:disabled),
.form-actions .btn-primary:hover:not(:disabled),
.form-actions .btn-primary:active:not(:disabled),
.form-actions .btn-primary:focus:not(:disabled) {
  --pico-background-color: var(--lize-primary-dark);
  --pico-border-color: var(--lize-primary-dark);
  --pico-color: #fff;
  background-color: var(--lize-primary-dark);
  border-color: var(--lize-primary-dark);
  color: #fff;
}

.form-actions [type="submit"]:focus-visible,
.form-actions .btn-primary:focus-visible {
  outline: 2px solid var(--lize-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px var(--pico-primary-focus);
}

.form-actions .btn-outline {
  --pico-background-color: transparent;
  --pico-border-color: var(--lize-border);
  --pico-color: var(--lize-text-muted);
  background-color: transparent;
  border-color: var(--lize-border);
  color: var(--lize-text-muted);
  font-weight: 500;
  box-shadow: none;
}

.form-actions .btn-outline:hover:not(:disabled),
.form-actions .btn-outline:active:not(:disabled) {
  --pico-background-color: #FAFAFA;
  --pico-border-color: var(--lize-text-muted);
  --pico-color: var(--lize-text);
  background-color: #FAFAFA;
  border-color: var(--lize-text-muted);
  color: var(--lize-text);
  box-shadow: none;
}

.form-actions .btn-outline:focus-visible {
  outline: 2px solid var(--lize-text-muted);
  outline-offset: 2px;
  box-shadow: none;
}

@media (max-width: 900px) {
  .results-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-header__logo {
    height: 22px;
  }

  .app-header__text h1 {
    font-size: 0.875rem;
  }

  .section-card {
    padding: 0.75rem;
  }
}