/*
 * Shared components, built from the tokens in theme.css. A class here is documented in the design guide's component table.
 * Mobile first: the base rules are for a 360 px screen and wider screens add to them.
 */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface-muted);
}

a { color: var(--color-primary); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }

.site-header {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  padding: var(--space-3) var(--space-4);
}
.site-header a { color: inherit; text-decoration: none; font-weight: var(--weight-bold); }
.site-header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-3); }
.header-user { display: flex; align-items: center; gap: var(--space-3); margin: 0; font-size: var(--text-sm); }
.link-button { background: none; border: 0; padding: 0; font: inherit; color: inherit; text-decoration: underline; cursor: pointer; }

.page {
  max-width: 64rem;
  margin: 0 auto;
  padding: var(--space-4);
}
.page-title { font-size: var(--text-2xl); margin: 0 0 var(--space-4); color: var(--color-primary); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
}

.toolbar { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; margin-bottom: var(--space-4); }

/* Data table: a real table from the tablet width up, stacked cards on a phone. */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; font-size: var(--text-sm); color: var(--color-text-muted); font-weight: var(--weight-semibold); }
.data-table th, .data-table td { padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--color-border); }
.data-table tbody tr:nth-child(even) { background: var(--color-surface-muted); }

@media (max-width: 40rem) {
  .data-table thead { position: absolute; left: -9999px; }
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
  .data-table tr { padding: var(--space-2) 0; border-bottom: 1px solid var(--color-border); }
  .data-table td { border: 0; padding: var(--space-1) var(--space-3); }
  .data-table td[data-label]::before { content: attr(data-label) ": "; color: var(--color-text-muted); font-size: var(--text-sm); }
}

.pager { display: flex; gap: var(--space-3); align-items: center; margin-top: var(--space-4); }
.button {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  text-decoration: none;
  font-weight: var(--weight-semibold);
}
.button-secondary { background: var(--color-surface); color: var(--color-primary); }

/* Status chip: a state, always with its text, never color alone. */
.chip {
  display: inline-block;
  white-space: nowrap;
  padding: 0 var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  border: 1px solid var(--color-border);
  background: var(--color-surface-muted);
  color: var(--color-text-muted);
}
.chip-open { border-color: var(--color-success); color: var(--color-success); background: var(--color-surface); }
.chip-attention { border-color: var(--color-warning); color: var(--color-warning); background: var(--color-surface); }

.empty-state { color: var(--color-text-muted); text-align: center; padding: var(--space-6) var(--space-4); }
.muted { color: var(--color-text-muted); }

/* Forms: a label above its input, the error under it, the actions in a row. Inputs are full width on a phone. */
.page-narrow { max-width: 28rem; margin: 0 auto; }
.form { display: flex; flex-direction: column; gap: var(--space-4); }
.form-field { display: flex; flex-direction: column; gap: var(--space-1); }
.field-label { font-weight: var(--weight-semibold); font-size: var(--text-sm); }
.field-input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
}
.field-error { color: var(--color-danger); font-size: var(--text-sm); }
.form-error {
  margin: 0;
  padding: var(--space-3);
  border: 1px solid var(--color-danger);
  border-radius: var(--radius-md);
  color: var(--color-danger);
  background: var(--color-surface);
}
.form-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; }
button.button { font: inherit; font-weight: var(--weight-semibold); cursor: pointer; }
.qr-code { max-width: 14rem; margin: 0 auto; }
.qr-code svg { width: 100%; height: auto; }
.shared-key { font-family: var(--font-mono); word-break: break-all; }
.recovery-codes { font-family: var(--font-mono); list-style: none; padding: var(--space-3); margin: 0; background: var(--color-surface-muted); border-radius: var(--radius-md); columns: 2; }