.app {
  max-width: 1040px;
  margin: 0 auto;
  padding: 40px 20px 90px;
}

/* ---------------------------------------------------------------- header --- */
.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.brand-mark {
  flex-shrink: 0;
  font-size: 1.9rem;
  line-height: 1;
  margin-top: 2px;
}

.brand-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.header-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.fast-demo-link {
  font-size: 0.85rem;
  color: var(--accent, #2f6feb);
  text-decoration: none;
}

.fast-demo-link:hover {
  text-decoration: underline;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background: var(--surface);
  color: var(--muted);
  white-space: nowrap;
  height: fit-content;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
}

.status-pill.is-ready {
  color: var(--ink);
  border-color: var(--accent-soft);
  background: var(--accent-soft);
}

.status-pill.is-ready .status-dot {
  background: var(--accent);
}

/* ---------------------------------------------------------------- tabs ---- */
.tabs {
  display: flex;
  margin: 32px 0 22px;
  border-bottom: 1px solid var(--rule);
}

.tab {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 10px 2px;
  margin-right: 26px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  cursor: pointer;
  position: relative;
  top: 1px;
}

.tab:hover {
  color: var(--ink);
}

.tab.active {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------------------------------------------------------------- panels -- */
.tab-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.tab-caption {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.card-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* ---------------------------------------------------------------- inputs -- */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.field-hint {
  font-size: 0.72rem;
  color: var(--muted);
}

select,
input[type='color'],
textarea {
  font-family: var(--font-body);
  font-size: 0.88rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  background: var(--surface-sunken);
  color: var(--ink);
  padding: 8px 10px;
}

input[type='color'] {
  padding: 3px 4px;
  height: 34px;
  width: 56px;
}

select:focus,
textarea:focus {
  border-color: var(--accent);
}

select:disabled,
input:disabled {
  opacity: 0.5;
}

.controls-row {
  display: flex;
  gap: 24px;
  align-items: flex-end;
}

.samples-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.sample-thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--surface-sunken);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 6px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
}

.sample-thumb:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--ink);
}

.sample-thumb:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.sample-thumb img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 4px;
}

.primary-btn,
.btn-secondary,
.upload-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.85rem;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  width: fit-content;
}

.primary-btn {
  background: var(--ink);
  color: var(--paper);
  align-self: flex-start;
}

.primary-btn:hover:not(:disabled) {
  background: var(--accent);
}

.primary-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-secondary,
.upload-btn {
  background: var(--surface);
  border-color: var(--rule);
  color: var(--ink);
}

.btn-secondary:hover,
.upload-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.download-btn {
  margin-top: 12px;
}

.exclude-panel {
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  background: var(--surface-sunken);
  margin-top: 16px;
}

.exclude-panel summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.select-buttons {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.btn-small {
  padding: 5px 12px;
  font-size: 0.78rem;
}

.exclude-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 10px;
  max-height: 240px;
  overflow-y: auto;
}

.exclude-heading {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 8px 0 4px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 2px 0;
}

.error-banner {
  background: var(--danger-soft);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

/* ---------------------------------------------------------------- legend -- */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 4px 0 12px;
}

.legend-chip {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: #fff;
  padding: 3px 8px;
  border-radius: 2px;
}

/* ---------------------------------------------------------------- results - */
.results-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.result-image {
  display: block;
  max-width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--rule);
}

.text-input {
  width: 100%;
  min-height: 200px;
  resize: vertical;
  margin-bottom: 14px;
}

.highlighted-text {
  white-space: pre-wrap;
  line-height: 2;
  font-size: 0.95rem;
}

.output-text {
  white-space: pre-wrap;
  line-height: 1.8;
  font-size: 0.95rem;
  background: var(--surface-sunken);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.action-hint {
  margin-top: 10px;
}

.controls-row .primary-btn {
  align-self: flex-end;
}

.pii-mark {
  display: inline;
  color: var(--ink);
  border: 1.5px solid;
  border-radius: 6px;
  padding: 1px 6px;
  margin: 0 1px;
  white-space: pre-wrap;
}

.pii-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-left: 3px;
  white-space: nowrap;
}

.table-scroll {
  overflow-x: auto;
}

.entity-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.entity-table th {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.entity-table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}

.l1-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 6px;
}