:root {
  color-scheme: light;
  --bg: oklch(1 0 0);
  --surface: oklch(0.975 0.004 210);
  --surface-strong: oklch(0.945 0.012 210);
  --ink: oklch(0.205 0.024 230);
  --muted: oklch(0.455 0.026 230);
  --quiet: oklch(0.635 0.022 230);
  --line: oklch(0.885 0.012 220);
  --primary: oklch(0.485 0.105 210);
  --primary-hover: oklch(0.435 0.112 210);
  --primary-soft: oklch(0.925 0.028 210);
  --accent: oklch(0.635 0.12 78);
  --danger: oklch(0.52 0.145 28);
  --success: oklch(0.49 0.105 155);
  --shadow: 0 8px 24px oklch(0.23 0.02 230 / 0.08);
  --radius: 12px;
  --control-radius: 9px;
  --focus: 0 0 0 3px oklch(0.77 0.08 210 / 0.45);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 8px 0 28px;
}

.product-label,
.section-kicker {
  margin: 0 0 4px;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
}

h1,
h2 {
  margin: 0;
  color: var(--ink);
  letter-spacing: 0;
  text-wrap: balance;
}

h1 {
  font-size: 1.85rem;
  line-height: 1.12;
}

h2 {
  font-size: 1.05rem;
  line-height: 1.25;
}

.settings-panel,
.tool-panel,
.result-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.settings-panel {
  margin-bottom: 18px;
  padding: 18px;
}

.settings-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) auto;
  gap: 14px;
  align-items: end;
}

.settings-actions,
.result-actions,
.form-row {
  display: flex;
  align-items: end;
  gap: 10px;
}

.settings-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(320px, 430px) minmax(0, 1fr);
  gap: 18px;
}

.tool-panel,
.result-panel {
  padding: 20px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.status-pill {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px;
  background: var(--bg);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.status-pill.is-ready {
  border-color: oklch(0.82 0.07 155);
  background: oklch(0.96 0.034 155);
  color: var(--success);
}

.mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 4px;
  background: var(--bg);
}

.mode-tab {
  border: 0;
  border-radius: 7px;
  padding: 9px 12px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  transition:
    background-color 180ms ease,
    color 180ms ease;
}

.mode-tab.is-active {
  background: var(--primary-soft);
  color: var(--primary);
}

.source-form {
  display: grid;
  gap: 14px;
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.source-form.is-hidden {
  display: none;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--control-radius);
  background: var(--bg);
  color: var(--ink);
  padding: 9px 11px;
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background-color 160ms ease;
}

input::placeholder {
  color: var(--quiet);
  opacity: 1;
}

input:focus,
select:focus,
button:focus-visible,
.drop-zone:focus-within {
  border-color: var(--primary);
  box-shadow: var(--focus);
}

.form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
}

.primary-button,
.ghost-button {
  min-height: 40px;
  border-radius: var(--control-radius);
  padding: 9px 14px;
  font-weight: 750;
  transition:
    background-color 160ms ease,
    color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.primary-button {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: var(--bg);
}

.primary-button:hover:not(:disabled) {
  border-color: var(--primary-hover);
  background: var(--primary-hover);
}

.ghost-button {
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
}

.ghost-button:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

.submit-button {
  align-self: end;
  white-space: nowrap;
}

.drop-zone {
  position: relative;
  min-height: 150px;
  align-content: center;
  justify-items: center;
  border: 1px dashed oklch(0.78 0.035 210);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 24px;
  text-align: center;
  transition:
    background-color 180ms ease,
    border-color 180ms ease;
}

.drop-zone input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.drop-zone.is-dragging {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.drop-title {
  color: var(--ink);
  font-weight: 760;
}

.drop-detail {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 550;
}

.inline-message {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.inline-message.is-error {
  color: var(--danger);
}

.inline-message.is-success {
  color: var(--success);
}

.empty-state {
  min-height: 320px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.result-content {
  display: grid;
  gap: 14px;
}

.metadata-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

.metadata-list div {
  display: flex;
  gap: 6px;
  align-items: baseline;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  padding: 5px 10px;
}

.metadata-list dt {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 750;
}

.metadata-list dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 650;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 0.95rem/1.65 ui-monospace, "SFMono-Regular", Consolas, monospace;
}

#transcriptOutput {
  min-height: 320px;
  max-height: 54vh;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 18px;
  color: var(--ink);
}

.raw-json {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.raw-json summary {
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
}

.raw-json pre {
  margin-top: 10px;
  border-radius: var(--control-radius);
  background: var(--surface-strong);
  padding: 12px;
}

@media (max-width: 860px) {
  .app-shell {
    width: min(100% - 24px, 680px);
    padding-top: 20px;
  }

  .topbar,
  .section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .workspace,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .settings-actions,
  .result-actions {
    align-items: stretch;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: 1.45rem;
  }

  .tool-panel,
  .result-panel,
  .settings-panel {
    padding: 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .submit-button,
  .primary-button,
  .ghost-button {
    width: 100%;
  }

  .metadata-list {
    display: grid;
  }
}

@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;
  }
}