/*
 * RT UI Core
 * All component rules are scoped under [data-rtui].
 * This is intentional to reduce leakage into host themes/applications.
 */

[data-rtui],
[data-rtui] *,
[data-rtui] *::before,
[data-rtui] *::after {
  box-sizing: border-box;
}

[data-rtui] {
  color: var(--rtui-color-text);
  font-family: var(--rtui-font-family);
  font-size: 1rem;
  line-height: var(--rtui-line-height-body);
}

body[data-rtui] {
  margin: 0;
  background: var(--rtui-color-bg);
}

[data-rtui] a {
  color: var(--rtui-color-primary);
  text-underline-offset: 0.18em;
}

[data-rtui] a:hover {
  color: var(--rtui-color-primary-dark);
}

[data-rtui] .rtui-content {
  max-width: var(--rtui-content-measure);
}

[data-rtui] .rtui-content > * {
  margin-top: 0;
}

[data-rtui] .rtui-content > * + * {
  margin-top: var(--rtui-space-4);
}

[data-rtui] .rtui-h1,
[data-rtui] .rtui-h2,
[data-rtui] .rtui-h3,
[data-rtui] .rtui-h4 {
  margin: 0;
  color: var(--rtui-color-text);
  line-height: 1.25;
  letter-spacing: -0.015em;
}

[data-rtui] .rtui-h1 { font-size: clamp(1.875rem, 1.6rem + 1vw, 2.125rem); }
[data-rtui] .rtui-h2 { font-size: clamp(1.5rem, 1.35rem + 0.5vw, 1.625rem); }
[data-rtui] .rtui-h3 { font-size: 1.25rem; }
[data-rtui] .rtui-h4 { font-size: 1.125rem; }

[data-rtui] .rtui-text-muted {
  color: var(--rtui-color-text-muted);
}

[data-rtui] .rtui-section + .rtui-section {
  margin-top: var(--rtui-space-16);
}

[data-rtui] .rtui-section-heading {
  margin-bottom: var(--rtui-space-6);
}

[data-rtui] .rtui-card {
  padding: var(--rtui-box-padding);
  background: var(--rtui-color-surface);
  border: 1px solid var(--rtui-color-border-subtle);
  border-radius: var(--rtui-radius-box);
}

[data-rtui] .rtui-card + .rtui-card {
  margin-top: var(--rtui-space-6);
}

[data-rtui] .rtui-card-header {
  display: flex;
  gap: var(--rtui-space-4);
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--rtui-space-5);
  padding-bottom: var(--rtui-space-4);
  border-bottom: 1px solid var(--rtui-color-border-subtle);
}

[data-rtui] .rtui-grid {
  display: grid;
  gap: var(--rtui-space-5) var(--rtui-space-6);
}

[data-rtui] .rtui-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

[data-rtui] .rtui-field {
  min-width: 0;
}

[data-rtui] .rtui-field-full {
  grid-column: 1 / -1;
}

[data-rtui] .rtui-label,
[data-rtui] .rtui-legend {
  display: block;
  margin: 0 0 var(--rtui-space-2);
  color: var(--rtui-color-text);
  font-size: var(--rtui-font-size-sm);
  font-weight: 700;
  line-height: var(--rtui-line-height-ui);
}

[data-rtui] .rtui-help,
[data-rtui] .rtui-error {
  display: block;
  margin-top: var(--rtui-space-2);
  font-size: 0.8125rem;
  line-height: 1.45;
}

[data-rtui] .rtui-help {
  color: var(--rtui-color-text-muted);
}

[data-rtui] .rtui-error {
  color: var(--rtui-color-danger);
  font-weight: 600;
}

[data-rtui] .rtui-input,
[data-rtui] .rtui-select,
[data-rtui] .rtui-textarea {
  width: 100%;
  color: var(--rtui-color-text);
  background: var(--rtui-color-surface);
  border: 1px solid var(--rtui-color-border);
  border-radius: var(--rtui-radius-field);
  font: inherit;
  line-height: var(--rtui-line-height-ui);
  transition:
    border-color var(--rtui-motion-fast) var(--rtui-ease),
    background-color var(--rtui-motion-fast) var(--rtui-ease);
}

[data-rtui] .rtui-input,
[data-rtui] .rtui-select {
  min-height: var(--rtui-control-min-height);
  padding: var(--rtui-field-padding-y) var(--rtui-field-padding-x);
}

[data-rtui] .rtui-textarea {
  min-height: 128px;
  padding: 10px var(--rtui-field-padding-x);
  resize: vertical;
}

[data-rtui] .rtui-input::placeholder,
[data-rtui] .rtui-textarea::placeholder {
  color: var(--rtui-color-text-subtle);
  opacity: 1;
}

[data-rtui] .rtui-input:hover:not(:disabled):not([readonly]),
[data-rtui] .rtui-select:hover:not(:disabled),
[data-rtui] .rtui-textarea:hover:not(:disabled):not([readonly]) {
  border-color: #b8b8b8;
}

[data-rtui] .rtui-input:focus-visible,
[data-rtui] .rtui-select:focus-visible,
[data-rtui] .rtui-textarea:focus-visible,
[data-rtui] .rtui-btn:focus-visible,
[data-rtui] .rtui-choice input:focus-visible,
[data-rtui] .rtui-switch input:focus-visible + .rtui-switch-track {
  outline: 3px solid var(--rtui-color-focus);
  outline-offset: 2px;
}

[data-rtui] .rtui-input:focus-visible,
[data-rtui] .rtui-select:focus-visible,
[data-rtui] .rtui-textarea:focus-visible {
  border-color: var(--rtui-color-primary);
}

[data-rtui] .rtui-input[readonly],
[data-rtui] .rtui-textarea[readonly] {
  background: var(--rtui-color-bg);
  color: var(--rtui-color-text-muted);
}

[data-rtui] .rtui-input:disabled,
[data-rtui] .rtui-select:disabled,
[data-rtui] .rtui-textarea:disabled {
  color: var(--rtui-color-disabled-text);
  background: var(--rtui-color-disabled-bg);
  border-color: var(--rtui-color-border-subtle);
  cursor: not-allowed;
}

[data-rtui] .rtui-input[aria-invalid="true"],
[data-rtui] .rtui-select[aria-invalid="true"],
[data-rtui] .rtui-textarea[aria-invalid="true"] {
  border-color: var(--rtui-color-danger);
}

[data-rtui] .rtui-choice {
  display: inline-flex;
  gap: var(--rtui-space-2);
  align-items: center;
  min-height: 32px;
  cursor: pointer;
}

[data-rtui] .rtui-choice input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--rtui-color-primary);
}

[data-rtui] .rtui-choice + .rtui-choice {
  margin-left: var(--rtui-space-4);
}

[data-rtui] .rtui-switch {
  display: inline-flex;
  gap: var(--rtui-space-3);
  align-items: center;
  cursor: pointer;
}

[data-rtui] .rtui-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

[data-rtui] .rtui-switch-track {
  display: inline-flex;
  width: 42px;
  height: 24px;
  align-items: center;
  padding: 2px;
  background: #a8a8a8;
  border: 1px solid #999999;
  border-radius: var(--rtui-radius-pill);
}

[data-rtui] .rtui-switch-track::before {
  width: 18px;
  height: 18px;
  content: "";
  background: var(--rtui-color-surface);
  border-radius: 50%;
  transition: transform var(--rtui-motion-fast) var(--rtui-ease);
}

[data-rtui] .rtui-switch input:checked + .rtui-switch-track {
  background: var(--rtui-color-primary);
  border-color: var(--rtui-color-primary);
}

[data-rtui] .rtui-switch input:checked + .rtui-switch-track::before {
  transform: translateX(18px);
}

[data-rtui] .rtui-btn {
  display: inline-flex;
  min-height: var(--rtui-control-min-height);
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--rtui-radius-button);
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
}

[data-rtui] .rtui-btn-primary {
  color: #ffffff;
  background: var(--rtui-color-primary);
  border-color: var(--rtui-color-primary);
}

[data-rtui] .rtui-btn-primary:hover:not(:disabled) {
  color: #ffffff;
  background: var(--rtui-color-primary-dark);
  border-color: var(--rtui-color-primary-dark);
}

[data-rtui] .rtui-btn-secondary {
  color: var(--rtui-color-text);
  background: var(--rtui-color-surface);
  border-color: var(--rtui-color-border);
}

[data-rtui] .rtui-btn-secondary:hover:not(:disabled) {
  background: var(--rtui-color-bg);
}

[data-rtui] .rtui-btn-danger {
  color: #ffffff;
  background: var(--rtui-color-danger);
  border-color: var(--rtui-color-danger);
}

[data-rtui] .rtui-btn-danger:hover:not(:disabled) {
  background: var(--rtui-color-danger-dark);
  border-color: var(--rtui-color-danger-dark);
}

[data-rtui] .rtui-btn-warning {
  color: var(--rtui-color-text);
  background: var(--rtui-color-warning);
  border-color: var(--rtui-color-warning);
}

[data-rtui] .rtui-btn:disabled,
[data-rtui] .rtui-btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

[data-rtui] .rtui-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--rtui-space-3);
}

[data-rtui] .rtui-alert {
  padding: var(--rtui-space-4);
  border: 1px solid;
  border-radius: var(--rtui-radius-box);
}

[data-rtui] .rtui-alert + .rtui-alert {
  margin-top: var(--rtui-space-3);
}

[data-rtui] .rtui-alert-info {
  color: var(--rtui-color-primary-dark);
  background: var(--rtui-color-primary-softer);
  border-color: #b8d4e7;
}

[data-rtui] .rtui-alert-success {
  color: var(--rtui-color-success-dark);
  background: var(--rtui-color-success-soft);
  border-color: #b9ddbf;
}

[data-rtui] .rtui-alert-warning {
  color: var(--rtui-color-warning-dark);
  background: var(--rtui-color-warning-soft);
  border-color: #efd69d;
}

[data-rtui] .rtui-alert-danger {
  color: var(--rtui-color-danger-dark);
  background: var(--rtui-color-danger-soft);
  border-color: #e6b8b2;
}

[data-rtui] .rtui-badge {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 3px 9px;
  color: var(--rtui-color-text-muted);
  background: var(--rtui-color-bg);
  border: 1px solid var(--rtui-color-border-subtle);
  border-radius: var(--rtui-radius-pill);
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.2;
}

[data-rtui] .rtui-badge-success {
  color: var(--rtui-color-success-dark);
  background: var(--rtui-color-success-soft);
  border-color: #b9ddbf;
}

[data-rtui] .rtui-table-wrap {
  overflow-x: auto;
  background: var(--rtui-color-surface);
  border: 1px solid var(--rtui-color-border-subtle);
  border-radius: var(--rtui-radius-box);
}

[data-rtui] .rtui-table {
  width: 100%;
  border-collapse: collapse;
  color: var(--rtui-color-text);
  font-size: 0.9375rem;
}

[data-rtui] .rtui-table th,
[data-rtui] .rtui-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--rtui-color-border-subtle);
  text-align: left;
  vertical-align: middle;
}

[data-rtui] .rtui-table th {
  background: var(--rtui-color-bg);
  font-size: 0.8125rem;
  font-weight: 700;
}

[data-rtui] .rtui-table tbody tr:last-child td {
  border-bottom: 0;
}

[data-rtui] .rtui-table tbody tr:hover {
  background: #fcfcfc;
}

[data-rtui] .rtui-empty {
  padding: var(--rtui-space-8);
  text-align: center;
  background: var(--rtui-color-surface);
  border: 1px dashed var(--rtui-color-border);
  border-radius: var(--rtui-radius-box);
}

[data-rtui] .rtui-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--rtui-color-neutral);
  border-top-color: var(--rtui-color-primary);
  border-radius: 50%;
  animation: rtui-spin 0.8s linear infinite;
}

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

@media (max-width: 767.98px) {
  [data-rtui] .rtui-section + .rtui-section {
    margin-top: var(--rtui-space-12);
  }

  [data-rtui] .rtui-card {
    padding: var(--rtui-box-padding-mobile);
  }

  [data-rtui] .rtui-grid-2 {
    grid-template-columns: 1fr;
  }

  [data-rtui] .rtui-field-full {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-rtui] *,
  [data-rtui] *::before,
  [data-rtui] *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

[data-rtui] .rtui-mt-5 { margin-top: var(--rtui-space-5); }

[data-rtui] .rtui-fieldset-reset {
  margin: 0;
  padding: 0;
  border: 0;
}