:root {
  --ds-font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --ds-color-bg: #fff7ed;
  --ds-color-surface: rgba(255, 255, 255, 0.92);
  --ds-color-card: #ffffff;
  --ds-color-primary: #1f2933;
  --ds-color-accent: #ff7a18;
  --ds-color-border: #e2e8f0;
  --ds-color-muted: #64748b;
  --ds-color-success-bg: #dcfce7;
  --ds-color-success-text: #166534;
  --ds-color-info-bg: #dbeafe;
  --ds-color-info-text: #1d4ed8;
  --ds-color-warning-bg: #fef9c3;
  --ds-color-warning-text: #92400e;
  --ds-color-error-bg: #fee2e2;
  --ds-color-error-text: #991b1b;
  --ds-radius-lg: 1.5rem;
  --ds-radius-md: 1rem;
  --ds-radius-sm: 0.75rem;
  --ds-shadow-lg: 0 18px 40px rgba(15, 23, 42, 0.15);
  --ds-shadow-md: 0 8px 20px rgba(15, 23, 42, 0.12);
  --ds-shadow-sm: 0 4px 10px rgba(15, 23, 42, 0.08);
  --ds-spacing-xl: 2.5rem;
  --ds-spacing-lg: 1.5rem;
  --ds-spacing-md: 1rem;
  --ds-spacing-sm: 0.75rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

.ds-shell {
  width: min(1200px, 95%);
  margin: 2.5rem auto 3.5rem;
}

.ds-card {
  background: var(--ds-color-card);
  border-radius: var(--ds-radius-lg);
  box-shadow: var(--ds-shadow-lg);
  padding: var(--ds-spacing-xl);
}

.ds-card.surface {
  background: var(--ds-color-surface);
}

.ds-stack {
  display: flex;
  flex-direction: column;
  gap: var(--ds-spacing-lg);
}

.ds-grid {
  display: grid;
  gap: var(--ds-spacing-xl);
}

.ds-grid.two-column {
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
}

@media (max-width: 1024px) {
  .ds-grid.two-column {
    grid-template-columns: 1fr;
  }
}

.ds-section {
  display: flex;
  flex-direction: column;
  gap: var(--ds-spacing-md);
}

.ds-section h2 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--ds-color-primary);
}

.ds-alert {
  border-radius: var(--ds-radius-md);
  padding: var(--ds-spacing-sm) var(--ds-spacing-md);
  border: 1px solid transparent;
  display: flex;
  gap: var(--ds-spacing-sm);
  align-items: flex-start;
  font-size: 0.95rem;
}

.ds-alert p {
  margin: 0;
}

.ds-alert.error {
  background: var(--ds-color-error-bg);
  border-color: #fecaca;
  color: var(--ds-color-error-text);
}

.ds-alert.success {
  background: var(--ds-color-success-bg);
  border-color: #bbf7d0;
  color: var(--ds-color-success-text);
}

.ds-alert.info {
  background: var(--ds-color-info-bg);
  border-color: #bfdbfe;
  color: var(--ds-color-info-text);
}

.ds-alert.warning {
  background: var(--ds-color-warning-bg);
  border-color: #fde68a;
  color: var(--ds-color-warning-text);
}

.ds-chip-row,
.ds-chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.ds-chip {
  background: #f1f5f9;
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.85rem;
  color: var(--ds-color-primary);
}

.ds-chip.accent {
  background: rgba(255, 122, 24, 0.15);
  color: var(--ds-color-accent);
}

.ds-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: #f1f5f9;
  color: var(--ds-color-primary);
}

.ds-badge.photo {
  background: rgba(59, 130, 246, 0.15);
  color: #1d4ed8;
}

.ds-badge.text {
  background: rgba(16, 185, 129, 0.15);
  color: #047857;
}

.ds-badge.combined {
  background: rgba(249, 115, 22, 0.15);
  color: #c2410c;
}

.ds-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  padding: 0.85rem 1.2rem;
  border-radius: var(--ds-radius-md);
  border: none;
  background: var(--ds-color-primary);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ds-button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

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

.history-panel {
  background: rgba(255, 255, 255, 0.98);
  border-radius: var(--ds-radius-lg);
  box-shadow: var(--ds-shadow-lg);
  padding: var(--ds-spacing-xl);
}

.history-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--ds-spacing-md);
}

.history-item {
  padding: var(--ds-spacing-md);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-md);
  display: flex;
  justify-content: space-between;
  gap: var(--ds-spacing-md);
  align-items: flex-start;
  background: #fffdfa;
  box-shadow: var(--ds-shadow-sm);
}

.history-item p {
  margin: 0.1rem 0;
}

.history-time {
  font-size: 0.85rem;
  color: var(--ds-color-muted);
}

.history-text {
  font-weight: 600;
  color: var(--ds-color-primary);
  word-break: break-word;
}

.history-meta {
  margin-top: 0.4rem;
}

.history-actions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: flex-end;
}

.history-actions .history-link {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--ds-color-accent);
  font-weight: 600;
}

.history-actions .history-link.secondary {
  color: var(--ds-color-primary);
  opacity: 0.7;
}

.history-cta {
  font-size: 0.85rem;
  color: var(--ds-color-muted);
  margin-top: var(--ds-spacing-sm);
  text-align: center;
}

.history-summary {
  margin: 0.25rem 0 0;
  font-size: 0.9rem;
  color: var(--ds-color-muted);
}

.status-stack ul {
  padding-left: 1.25rem;
  margin: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}