/* DS Data Converter & Formatter - Frontend Styles */
:root {
  --dsdc-primary: #1a73e8;
  --dsdc-primary-600: #1558b0;
  --dsdc-secondary: #0ea5e9;
  --dsdc-bg: #ffffff;
  --dsdc-surface: #f8fafc;
  --dsdc-text: #0f172a;
  --dsdc-muted: #64748b;
  --dsdc-border: #e2e8f0;
  --dsdc-success: #16a34a;
  --dsdc-error: #dc2626;
  --dsdc-warning: #f59e0b;
  --dsdc-radius: 10px;
  --dsdc-shadow: 0 4px 16px rgba(2, 6, 23, 0.06);
  --dsdc-code-bg: #0b1220;
  --dsdc-code-border: #1e293b;
}

.dsdc-tool {
  background: var(--dsdc-bg);
  border: 1px solid var(--dsdc-border);
  border-radius: var(--dsdc-radius);
  box-shadow: var(--dsdc-shadow);
  padding: 18px;
  margin: 20px 0;
  color: var(--dsdc-text);
}

.dsdc-header {
  border-bottom: 1px solid var(--dsdc-border);
  padding-bottom: 10px;
  margin-bottom: 16px;
}

.dsdc-header h2 {
  margin: 0 0 6px;
  font-size: 1.4rem;
  line-height: 1.2;
}

.dsdc-subtitle {
  margin: 0;
  color: var(--dsdc-muted);
  font-size: 0.95rem;
}

.dsdc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 900px) {
  .dsdc-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .dsdc-controls {
    grid-column: 1 / -1;
    order: 2;
  }
}

.dsdc-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dsdc-label {
  font-weight: 600;
  color: var(--dsdc-muted);
}

.dsdc-input,
.dsdc-output {
  width: 100%;
  min-height: 260px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 14px;
  line-height: 1.45;
  padding: 12px 12px;
  border: 1px solid var(--dsdc-border);
  border-radius: 8px;
  background: var(--dsdc-surface);
  color: var(--dsdc-text);
  resize: vertical;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.dsdc-input:focus,
.dsdc-output:focus {
  border-color: var(--dsdc-primary);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
}

.dsdc-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dsdc-btn {
  appearance: none;
  border: 1px solid var(--dsdc-border);
  background: #fff;
  color: var(--dsdc-text);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.dsdc-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(2, 6, 23, 0.06);
}

.dsdc-btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.dsdc-btn-primary {
  background: var(--dsdc-primary);
  color: #fff;
  border-color: var(--dsdc-primary);
}

.dsdc-btn-primary:hover {
  background: var(--dsdc-primary-600);
  border-color: var(--dsdc-primary-600);
}

.dsdc-btn-secondary {
  background: var(--dsdc-secondary);
  color: #fff;
  border-color: var(--dsdc-secondary);
}

.dsdc-btn-ghost {
  background: transparent;
}

.dsdc-btn-outline {
  background: #fff;
  color: var(--dsdc-primary);
  border-color: var(--dsdc-primary);
}

.dsdc-output-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.dsdc-preview {
  margin-top: 10px;
  background: var(--dsdc-code-bg);
  border: 1px solid var(--dsdc-code-border);
  border-radius: 8px;
  overflow: hidden;
}

.dsdc-preview-label {
  font-size: 12px;
  padding: 6px 10px;
  color: #cbd5e1;
  background: #0a0f1c;
  border-bottom: 1px solid var(--dsdc-code-border);
}

.dsdc-highlight {
  max-height: 240px;
  overflow: auto;
  margin: 0;
  padding: 12px;
}

.dsdc-message {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--dsdc-border);
  background: #fff;
  color: var(--dsdc-text);
}

.dsdc-message.is-success {
  border-color: rgba(22, 163, 74, 0.25);
  background: rgba(22, 163, 74, 0.06);
  color: var(--dsdc-success);
}

.dsdc-message.is-error {
  border-color: rgba(220, 38, 38, 0.25);
  background: rgba(220, 38, 38, 0.06);
  color: var(--dsdc-error);
}

.dsdc-message.is-info {
  border-color: rgba(14, 165, 233, 0.25);
  background: rgba(14, 165, 233, 0.06);
  color: #0369a1;
}

.dsdc-footer {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--dsdc-border);
  font-size: 13px;
  color: var(--dsdc-muted);
}

.dsdc-footer a {
  color: var(--dsdc-primary);
  text-decoration: none;
}

.dsdc-footer a:hover {
  text-decoration: underline;
}

/* Error state on input */
.dsdc-input.is-error {
  border-color: var(--dsdc-error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}