:root {
  color-scheme: light;
  --dd-color-bg: #f4f6f8;
  --dd-color-surface: #ffffff;
  --dd-color-surface-muted: #f8fafc;
  --dd-color-text: #172033;
  --dd-color-text-muted: #64748b;
  --dd-color-border: #dbe2ea;
  --dd-color-primary: #1d4ed8;
  --dd-color-primary-hover: #1e40af;
  --dd-color-primary-soft: #dbeafe;
  --dd-color-success: #15803d;
  --dd-color-success-soft: #dcfce7;
  --dd-color-warning: #a16207;
  --dd-color-warning-soft: #fef3c7;
  --dd-color-danger: #b91c1c;
  --dd-color-danger-soft: #fee2e2;
  --dd-color-dark: #0f172a;
  --dd-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --dd-radius-sm: 6px;
  --dd-radius: 10px;
  --dd-radius-lg: 16px;
  --dd-focus: 0 0 0 3px rgba(29, 78, 216, 0.22);
  --dd-font:
    Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--dd-color-bg);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--dd-color-text);
  background: var(--dd-color-bg);
  font-family: var(--dd-font);
  font-size: 15px;
  line-height: 1.5;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a,
input,
select,
textarea {
  outline: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  box-shadow: var(--dd-focus);
}

button {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

a {
  color: var(--dd-color-primary);
}

img {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

.dd-button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: var(--dd-radius-sm);
  color: #ffffff;
  background: var(--dd-color-primary);
  text-decoration: none;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease;
}

.dd-button:hover {
  background: var(--dd-color-primary-hover);
}

.dd-button--secondary {
  border-color: var(--dd-color-border);
  color: var(--dd-color-text);
  background: var(--dd-color-surface);
}

.dd-button--secondary:hover {
  background: var(--dd-color-surface-muted);
}

.dd-button--danger {
  color: #ffffff;
  background: var(--dd-color-danger);
}

.dd-button--danger:hover {
  background: #991b1b;
}

.dd-button--success {
  color: #ffffff;
  background: var(--dd-color-success);
}

.dd-button--small {
  min-height: 32px;
  padding: 5px 9px;
  font-size: 13px;
}

.dd-button--icon {
  width: 38px;
  padding: 7px;
}

.dd-field {
  display: grid;
  gap: 6px;
}

.dd-field > label,
.dd-field-label {
  color: var(--dd-color-text);
  font-size: 13px;
  font-weight: 650;
}

.dd-field-help {
  color: var(--dd-color-text-muted);
  font-size: 12px;
}

.dd-input,
.dd-select,
.dd-textarea {
  width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid var(--dd-color-border);
  border-radius: var(--dd-radius-sm);
  color: var(--dd-color-text);
  background: var(--dd-color-surface);
}

.dd-textarea {
  min-height: 92px;
  resize: vertical;
}

.dd-input:focus,
.dd-select:focus,
.dd-textarea:focus {
  border-color: var(--dd-color-primary);
  box-shadow: var(--dd-focus);
}

.dd-checkbox {
  display: inline-flex;
  align-items: flex-start;
  gap: 8px;
}

.dd-checkbox input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
}

.dd-card {
  border: 1px solid var(--dd-color-border);
  border-radius: var(--dd-radius);
  background: var(--dd-color-surface);
  box-shadow: var(--dd-shadow);
}

.dd-badge {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  color: var(--dd-color-text-muted);
  background: #e2e8f0;
  font-size: 12px;
  font-weight: 650;
}

.dd-badge--success {
  color: var(--dd-color-success);
  background: var(--dd-color-success-soft);
}

.dd-badge--warning {
  color: var(--dd-color-warning);
  background: var(--dd-color-warning-soft);
}

.dd-badge--danger {
  color: var(--dd-color-danger);
  background: var(--dd-color-danger-soft);
}

.dd-badge--primary {
  color: var(--dd-color-primary);
  background: var(--dd-color-primary-soft);
}

.dd-alert {
  padding: 12px 14px;
  border: 1px solid var(--dd-color-border);
  border-radius: var(--dd-radius-sm);
  background: var(--dd-color-surface-muted);
}

.dd-alert--success {
  border-color: #86efac;
  color: var(--dd-color-success);
  background: var(--dd-color-success-soft);
}

.dd-alert--warning {
  border-color: #fcd34d;
  color: var(--dd-color-warning);
  background: var(--dd-color-warning-soft);
}

.dd-alert--danger {
  border-color: #fca5a5;
  color: var(--dd-color-danger);
  background: var(--dd-color-danger-soft);
}

.dd-empty {
  padding: 36px 20px;
  color: var(--dd-color-text-muted);
  text-align: center;
}

.dd-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--dd-color-border);
  border-top-color: var(--dd-color-primary);
  border-radius: 50%;
  animation: dd-spin 0.7s linear infinite;
}

.dd-loading {
  display: flex;
  min-height: 160px;
  align-items: center;
  justify-content: center;
}

.dd-toast-region {
  position: fixed;
  z-index: 10000;
  right: 18px;
  bottom: 18px;
  display: grid;
  width: min(420px, calc(100vw - 36px));
  gap: 10px;
  pointer-events: none;
}

.dd-toast {
  padding: 12px 15px;
  border-radius: var(--dd-radius);
  color: #ffffff;
  background: var(--dd-color-dark);
  box-shadow: var(--dd-shadow);
  pointer-events: auto;
}

.dd-toast--success {
  background: var(--dd-color-success);
}

.dd-toast--danger {
  background: var(--dd-color-danger);
}

.dd-toast--warning {
  color: #422006;
  background: #fbbf24;
}

.dd-table-wrap {
  overflow-x: auto;
}

.dd-table {
  width: 100%;
  border-collapse: collapse;
}

.dd-table th,
.dd-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--dd-color-border);
  text-align: left;
  vertical-align: top;
}

.dd-table th {
  color: var(--dd-color-text-muted);
  background: var(--dd-color-surface-muted);
  font-size: 12px;
  text-transform: uppercase;
  white-space: nowrap;
}

.dd-table tr:last-child td {
  border-bottom: 0;
}

.dd-dialog {
  width: min(960px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  padding: 0;
  border: 0;
  border-radius: var(--dd-radius-lg);
  color: var(--dd-color-text);
  background: var(--dd-color-surface);
  box-shadow: 0 25px 70px rgba(15, 23, 42, 0.28);
}

.dd-dialog::backdrop {
  background: rgba(15, 23, 42, 0.62);
}

.dd-dialog__header,
.dd-dialog__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--dd-color-border);
}

.dd-dialog__footer {
  justify-content: flex-end;
  border-top: 1px solid var(--dd-color-border);
  border-bottom: 0;
}

.dd-dialog__body {
  max-height: calc(100vh - 170px);
  padding: 18px;
  overflow: auto;
}

.dd-dialog__title {
  margin: 0;
  font-size: 19px;
}

.dd-code {
  margin: 0;
  padding: 14px;
  overflow: auto;
  border-radius: var(--dd-radius-sm);
  color: #e2e8f0;
  background: #0f172a;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}

@keyframes dd-spin {
  to {
    transform: rotate(360deg);
  }
}