/*
 * admin styles. later layer wins regardless of specificity.
 *
 *   reset     -- minor cleanup of UA defaults
 *   defaults  -- element baselines + tokens
 *   features  -- table macro, flash, pagination
 *   theme     -- colors that follow user theme
 */
@layer reset, defaults, features, theme;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  body { margin: 0; }
  table { border-collapse: collapse; }
  button, input, select, textarea { font: inherit; }
}

@layer defaults {
  :root {
    color-scheme: light dark;
    --gap: 1rem;
    --half-gap: 0.5rem;
    --shim: 0.25rem;
    --ui-sans: system-ui, -apple-system, sans-serif;
    --ui-mono: ui-monospace, SFMono-Regular, monospace;
  }

  html[data-theme="light"] { color-scheme: light; }
  html[data-theme="dark"] { color-scheme: dark; }

  body {
    font-family: var(--ui-sans);
    max-width: 1200px;
    margin: var(--gap) auto;
    padding: 0 var(--gap);
    background: var(--canvas);
    color: var(--fg);
  }

  h1 { font-size: 1.5rem; margin: var(--half-gap) 0 var(--gap); }
  h2 { font-size: 1.1rem; margin: calc(var(--gap) * 1.5) 0 var(--half-gap); }
  hr { border: none; border-top: 1px solid var(--border); margin: 0 0 var(--gap); }
  code { font-family: var(--ui-mono); font-size: 0.85em; }

  a { color: var(--link); }
  a:hover { text-decoration: underline; }

  table { width: 100%; margin-bottom: var(--gap); }
  caption { text-align: left; padding: var(--shim) 0; font-size: 0.9rem; color: var(--muted); }
  th, td { padding: var(--shim) var(--half-gap); text-align: left; border-bottom: 1px solid var(--border); }
  th { font-weight: 600; font-size: 0.85rem; background: var(--surface-muted); }

  dl { display: grid; grid-template-columns: max-content 1fr; gap: var(--shim) var(--gap); }
  dt { font-weight: 600; font-size: 0.85rem; }
  dd { margin: 0; }

  form { margin: var(--half-gap) 0; }
  label { display: inline-flex; flex-direction: column; gap: 0.2rem; font-size: 0.85rem; }
  input[type=text], input[type=email], select, textarea, button {
    padding: var(--shim) var(--half-gap);
    border: 1px solid var(--border);
    font-size: 0.9rem;
    color: inherit;
    background: var(--surface);
  }

  button {
    cursor: pointer;
    border-radius: 0.25rem;
  }
}

@layer features {
  nav {
    display: flex;
    gap: var(--gap);
    align-items: baseline;
    padding-bottom: var(--half-gap);
    font-size: 0.9rem;
  }

  nav form { display: inline; margin-left: auto; }
  form[data-layout="stacked"] { display: flex; flex-direction: column; gap: var(--half-gap); max-width: 480px; }
  form[data-layout="inline"] { display: inline-flex; gap: var(--shim); align-items: center; }

  tbody tr:hover { background: var(--bg-hover); }
  td[data-type="date"],
  td[data-type="mono"] { font-family: var(--ui-mono); font-size: 0.85em; color: var(--muted); }

  .flash {
    background: var(--flash-bg);
    border-left: 3px solid var(--flash-accent);
    padding: var(--half-gap);
    margin: var(--half-gap) 0;
  }

  .flash.error {
    background: var(--flash-err-bg);
    border-left-color: var(--flash-err-accent);
    color: var(--flash-err-fg);
  }

  nav[role="pagination"] { display: flex; gap: var(--half-gap); margin-top: var(--half-gap); }
  small { color: var(--muted); }

  dialog[data-cmdk] {
    width: min(42rem, calc(100vw - 2rem));
    border: 1px solid var(--border);
    padding: 0;
    background: var(--surface);
    color: var(--fg);
  }

  dialog[data-cmdk]::backdrop {
    background: color-mix(in srgb, var(--canvas) 40%, transparent);
  }

  dialog[data-cmdk] form {
    margin: 0;
    padding: var(--gap);
  }

  dialog[data-cmdk] input {
    width: 100%;
  }

  dialog[data-cmdk] ul {
    list-style: none;
    padding: 0;
    margin: var(--half-gap) 0;
    max-height: 24rem;
    overflow: auto;
  }

  dialog[data-cmdk] li {
    margin: 0;
    padding: 0;
  }

  dialog[data-cmdk] li[data-empty] {
    padding: var(--half-gap);
    color: var(--muted);
  }

  dialog[data-cmdk] li button {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    text-align: left;
    border: 0;
    border-radius: 0;
    padding: var(--half-gap);
    background: transparent;
  }

  dialog[data-cmdk] li button[data-selected="true"] {
    background: var(--bg-hover);
  }
}

@layer theme {
  :root {
    --canvas: light-dark(#ffffff, #111418);
    --surface: light-dark(#ffffff, #1a1f26);
    --surface-muted: light-dark(#f5f5f5, #20262e);
    --fg: light-dark(#1f2937, #e5e7eb);
    --muted: light-dark(#6b7280, #9ca3af);
    --border: light-dark(#d1d5db, #374151);
    --bg-hover: light-dark(#f9fafb, #161b22);
    --link: light-dark(#2563eb, #93c5fd);
    --flash-bg: light-dark(#fef3c7, #3a2f08);
    --flash-accent: light-dark(#d97706, #fbbf24);
    --flash-err-bg: light-dark(#fee2e2, #3f1515);
    --flash-err-accent: light-dark(#dc2626, #f87171);
    --flash-err-fg: light-dark(#7f1d1d, #fecaca);
  }
}