/* tokens.css */
:root {
  color-scheme: light;
  --tc-color-brand-50: #eef7ff;
  --tc-color-brand-100: #d9edff;
  --tc-color-brand-500: #0874c9;
  --tc-color-brand-600: #055fa8;
  --tc-color-brand-700: #064d86;
  --tc-color-ink: #142033;
  --tc-color-muted: #5d6b7e;
  --tc-color-surface: #ffffff;
  --tc-color-surface-subtle: #f5f7fa;
  --tc-color-border: #d9e0e8;
  --tc-color-success: #18794e;
  --tc-color-warning: #9a5b00;
  --tc-color-danger: #b42318;
  --tc-color-info: #175cd3;
  --tc-font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --tc-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --tc-space-1: 0.25rem;
  --tc-space-2: 0.5rem;
  --tc-space-3: 0.75rem;
  --tc-space-4: 1rem;
  --tc-space-5: 1.5rem;
  --tc-space-6: 2rem;
  --tc-space-7: 3rem;
  --tc-radius-sm: 0.375rem;
  --tc-radius-md: 0.625rem;
  --tc-radius-lg: 0.875rem;
  --tc-shadow-sm: 0 1px 2px rgb(20 32 51 / 8%);
  --tc-shadow-md: 0 8px 24px rgb(20 32 51 / 10%);
  --tc-content-max: 76rem;
  --tc-sidebar-width: 17rem;
  --tc-breakpoint-sm: 36rem;
  --tc-breakpoint-md: 52rem;
  --tc-breakpoint-lg: 72rem;
  --tc-focus-ring: 0 0 0 3px rgb(8 116 201 / 28%);
}

@media (prefers-color-scheme: dark) {
  :root[data-tc-theme="auto"] {
    color-scheme: dark;
    --tc-color-ink: #ecf3fa;
    --tc-color-muted: #aab7c7;
    --tc-color-surface: #111b2a;
    --tc-color-surface-subtle: #182537;
    --tc-color-border: #314158;
  }
}

/* base.css */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--tc-font-sans);
  color: var(--tc-color-ink);
  background: var(--tc-color-surface-subtle);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-width: 20rem;
}

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

a {
  color: var(--tc-color-brand-700);
}

:focus-visible {
  outline: 2px solid var(--tc-color-brand-600);
  outline-offset: 2px;
  box-shadow: var(--tc-focus-ring);
}

img,
svg {
  max-width: 100%;
}

.tc-skip-link {
  position: fixed;
  z-index: 1000;
  inset-block-start: var(--tc-space-2);
  inset-inline-start: var(--tc-space-2);
  padding: var(--tc-space-2) var(--tc-space-4);
  background: var(--tc-color-surface);
  transform: translateY(-160%);
}

.tc-skip-link:focus {
  transform: none;
}

/* components.css */
.tc-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.tc-topbar,
.tc-footer {
  background: var(--tc-color-surface);
  border-block-end: 1px solid var(--tc-color-border);
}

.tc-footer {
  border-block-start: 1px solid var(--tc-color-border);
  border-block-end: 0;
}

.tc-container {
  width: min(100% - 2rem, var(--tc-content-max));
  margin-inline: auto;
}

.tc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--tc-space-5);
}

.tc-sidebar,
.tc-card,
.tc-modal,
.tc-empty,
.tc-error-panel {
  background: var(--tc-color-surface);
  border: 1px solid var(--tc-color-border);
  border-radius: var(--tc-radius-lg);
  box-shadow: var(--tc-shadow-sm);
}

.tc-sidebar,
.tc-card,
.tc-empty,
.tc-error-panel {
  padding: var(--tc-space-5);
}

.tc-nav,
.tc-breadcrumbs,
.tc-pagination,
.tc-steps,
.tc-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--tc-space-3);
}

.tc-nav a[aria-current="page"],
.tc-steps [aria-current="step"] {
  color: var(--tc-color-brand-700);
  font-weight: 700;
}

.tc-button {
  min-height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--tc-space-2);
  padding: var(--tc-space-2) var(--tc-space-4);
  border: 1px solid var(--tc-color-border);
  border-radius: var(--tc-radius-md);
  background: var(--tc-color-surface);
  color: var(--tc-color-ink);
  cursor: pointer;
  font-weight: 650;
  text-decoration: none;
}

.tc-button:hover {
  border-color: var(--tc-color-brand-500);
}

.tc-button--primary {
  color: #ffffff;
  background: var(--tc-color-brand-600);
  border-color: var(--tc-color-brand-600);
}

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

.tc-button:disabled,
.tc-button[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

.tc-field {
  display: grid;
  gap: var(--tc-space-2);
}

.tc-label {
  font-weight: 650;
}

.tc-input,
.tc-select,
.tc-textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: var(--tc-space-2) var(--tc-space-3);
  color: var(--tc-color-ink);
  background: var(--tc-color-surface);
  border: 1px solid var(--tc-color-border);
  border-radius: var(--tc-radius-md);
}

.tc-field__help {
  color: var(--tc-color-muted);
  font-size: 0.875rem;
}

.tc-field[data-invalid="true"] .tc-input {
  border-color: var(--tc-color-danger);
}

.tc-badge,
.tc-job-state {
  display: inline-flex;
  align-items: center;
  gap: var(--tc-space-1);
  width: fit-content;
  padding: 0.2rem var(--tc-space-2);
  border-radius: 999px;
  background: var(--tc-color-surface-subtle);
  border: 1px solid var(--tc-color-border);
  font-size: 0.8125rem;
  font-weight: 700;
}

.tc-alert,
.tc-notification {
  padding: var(--tc-space-4);
  border-inline-start: 0.25rem solid var(--tc-color-info);
  border-radius: var(--tc-radius-sm);
  background: var(--tc-color-brand-50);
}

.tc-alert--success { border-color: var(--tc-color-success); }
.tc-alert--warning { border-color: var(--tc-color-warning); }
.tc-alert--danger { border-color: var(--tc-color-danger); }

.tc-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--tc-color-border);
  border-radius: var(--tc-radius-md);
}

.tc-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--tc-color-surface);
}

.tc-table th,
.tc-table td {
  padding: var(--tc-space-3) var(--tc-space-4);
  border-block-end: 1px solid var(--tc-color-border);
  text-align: start;
}

.tc-modal {
  width: min(36rem, calc(100% - 2rem));
  padding: 0;
}

.tc-modal::backdrop {
  background: rgb(20 32 51 / 55%);
}

.tc-modal__header,
.tc-modal__body,
.tc-modal__footer {
  padding: var(--tc-space-4) var(--tc-space-5);
}

.tc-modal__header,
.tc-modal__footer {
  border-block-end: 1px solid var(--tc-color-border);
}

.tc-modal__footer {
  border-block-start: 1px solid var(--tc-color-border);
  border-block-end: 0;
}

.tc-skeleton {
  min-height: 1rem;
  border-radius: var(--tc-radius-sm);
  background: linear-gradient(90deg, var(--tc-color-border), var(--tc-color-surface-subtle), var(--tc-color-border));
  background-size: 200% 100%;
}

.tc-loader {
  inline-size: 1.5rem;
  block-size: 1.5rem;
  border: 0.2rem solid var(--tc-color-border);
  border-block-start-color: var(--tc-color-brand-600);
  border-radius: 50%;
}

.tc-chart {
  min-height: 12rem;
  padding: var(--tc-space-4);
  background: var(--tc-color-surface);
  border: 1px solid var(--tc-color-border);
  border-radius: var(--tc-radius-md);
}

@media (min-width: 52rem) {
  .tc-layout--sidebar {
    grid-template-columns: var(--tc-sidebar-width) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .tc-skeleton { animation: tc-loading 1.6s linear infinite; }
  .tc-loader { animation: tc-spin 0.8s linear infinite; }
}

@keyframes tc-loading { to { background-position: -200% 0; } }
@keyframes tc-spin { to { transform: rotate(360deg); } }

/* utilities.css */
.tc-stack { display: grid; gap: var(--tc-space-4); }
.tc-cluster { display: flex; flex-wrap: wrap; gap: var(--tc-space-3); align-items: center; }
.tc-muted { color: var(--tc-color-muted); }
.tc-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}