/* HALIA C Detail Completion Pass I — Admin Content Studio (/admin?tab=content).
   Page layer only: colors, radii, shadows and type come from the HALIA tokens (tokens.css). The previews reuse the
   destination components' own classes (home.css, network.css, messages.css, space.css, settings.css). */
@layer pages {
  :root[data-route="admin"] .community.container:has(#studio-host) { max-width: 1360px; }
  .studio { display: grid; grid-template-columns: 236px minmax(0, 1fr); gap: var(--space-5); align-items: start; margin-top: var(--space-2); }
  .studio-head h2, .studio-now h3, .studio-list h3, .studio-card h3 { margin: 0; color: var(--text-primary); }
  .studio .form-label { display: block; margin: 0; font: var(--text-label); color: var(--text-primary); }
  .studio fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
  .studio code { padding: 1px 6px; border-radius: var(--radius-sm); background: var(--bg-secondary); font: 500 13px/1.5 var(--font-mono); overflow-wrap: anywhere; }
  .studio-meta { font: var(--text-caption); color: var(--text-muted); }

  /* ---------- slot navigator ---------- */
  .studio-rail { position: sticky; top: calc(var(--header-height) + var(--space-4)); display: grid; gap: var(--space-4); padding: var(--space-4) var(--space-3); border: 1px solid var(--border-subtle); border-radius: var(--radius-xl); background: var(--surface); box-shadow: var(--shadow-card); }
  .studio-rail-title { margin: 0; padding: 0 var(--space-2); font: 700 15px/1.4 var(--font-sans); color: var(--text-primary); }
  .studio-group { display: grid; gap: var(--space-1); }
  .studio-group-name { margin: 0; padding: 0 var(--space-2); font: var(--text-caption); font-weight: 700; letter-spacing: var(--tracking-caption); color: var(--text-muted); }
  .studio-group ul { display: grid; gap: 2px; margin: 0; padding: 0; list-style: none; }
  .community .studio-slot-link {
    display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); width: 100%; min-height: 44px; margin: 0; padding: var(--space-2) var(--space-2) var(--space-2) var(--space-3);
    border: 0; border-radius: var(--radius-md); background: transparent; color: var(--text-primary); font: var(--text-label); font-size: 14px; text-align: left; cursor: pointer;
  }
  .studio-slot-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .studio-slot-link .chip { flex: none; }
  @media (hover: hover) { .community .studio-slot-link:hover { border: 0; background: var(--surface-hover); } }
  .community .studio-slot-link[aria-current="true"] { background: var(--surface-mint); color: var(--accent); }

  /* ---------- main column ---------- */
  .studio-main { min-width: 0; display: grid; gap: var(--space-5); padding: var(--space-6); border: 1px solid var(--border-subtle); border-radius: var(--radius-xl); background: var(--surface); box-shadow: var(--shadow-card); }
  .studio-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); }
  .studio-head > div { min-width: 0; display: grid; gap: var(--space-1); }
  .studio-kicker { margin: 0; font: var(--text-caption); font-weight: 700; letter-spacing: var(--tracking-overline); color: var(--accent); }
  .studio-head h2 { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); font: 800 22px/1.35 var(--font-sans); }
  .studio-head h2:focus { outline: none; }
  .studio-desc { margin: 0; font: var(--text-body-sm); color: var(--text-muted); }
  .studio-head > .btn { flex: none; }
  .community .studio-back { justify-self: start; gap: var(--space-1); margin: 0 0 var(--space-1) calc(-1 * var(--space-2)); }
  .studio-back .icon { transform: scaleX(-1); }

  .studio-now { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-5); align-items: center; padding: var(--space-5); border-radius: var(--radius-lg); background: var(--surface-mint); }
  .studio-now-copy { display: grid; gap: var(--space-2); justify-items: start; min-width: 0; }
  .studio-now-copy h3 { font: 700 15px/1.4 var(--font-sans); }
  .studio-now-copy p { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin: 0; font: var(--text-body-sm); color: var(--text-secondary); overflow-wrap: anywhere; }
  .studio-next { color: var(--accent); }
  .studio-now-preview { max-width: 100%; }

  .studio-list { display: grid; gap: var(--space-2); }
  .studio-list h3 { display: flex; align-items: center; gap: var(--space-2); font: 700 14px/1.4 var(--font-sans); color: var(--text-secondary); }
  .studio-list h3 span { font: var(--text-caption); color: var(--text-muted); }
  .studio-list ul { margin: 0; padding: 0; list-style: none; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); overflow: hidden; }
  .studio-list li + li { border-top: 1px solid var(--border-subtle); }
  .community .studio-item {
    display: flex; align-items: center; gap: var(--space-2); width: 100%; min-height: 60px; margin: 0; padding: var(--space-3) var(--space-4);
    border: 0; border-radius: 0; background: transparent; color: var(--text-primary); font: inherit; font-weight: 400; text-align: left; cursor: pointer;
  }
  @media (hover: hover) { .community .studio-item:hover { border: 0; background: var(--surface-hover); } }
  .studio-item-main { flex: 1; min-width: 0; display: grid; gap: 2px; }
  .studio-item-main strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: var(--text-label); font-size: 15px; }
  .studio-item-main small { font: var(--text-caption); color: var(--text-muted); overflow-wrap: anywhere; }
  .studio-item .chip { flex: none; }
  .studio-item > .icon { flex: none; color: var(--text-muted); }
  .studio-empty .empty-state { padding: var(--space-8) var(--space-4); }

  /* ---------- editor ---------- */
  .studio-editor { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 380px); gap: var(--space-6); align-items: start; }
  .studio-form { min-width: 0; display: grid; gap: var(--space-5); }
  .studio-section { display: grid; gap: var(--space-4); }
  .studio-section + .studio-section { padding-top: var(--space-5); border-top: 1px solid var(--border-subtle); }
  .studio-section legend { float: left; width: 100%; margin: 0; padding: 0; font: 700 16px/1.4 var(--font-sans); color: var(--text-primary); }
  .studio-section legend + * { clear: both; }
  .studio-field { min-width: 0; display: grid; gap: 6px; align-content: start; }
  .studio-label-row { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-2); }
  .studio-count { font: var(--text-caption); color: var(--text-muted); font-variant-numeric: tabular-nums; }
  .studio-field.is-required .form-label::after { content: " 필수"; margin-left: var(--space-1); font: var(--text-caption); font-weight: 700; color: var(--danger); }
  .studio .studio-field textarea.input { min-height: 0; resize: vertical; line-height: 1.6; }
  .studio-field .field-error[hidden] { display: none; }
  .studio-field-narrow { max-width: 280px; }
  .studio-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
  .studio-link { display: flex; gap: var(--space-2); margin: 0; font: var(--text-body-sm); color: var(--text-secondary); overflow-wrap: anywhere; }
  .studio-link.is-error { color: var(--danger); }
  .studio-tz { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin: 0; padding: var(--space-2) var(--space-3); border-radius: var(--radius-md); background: var(--info-subtle); font: var(--text-body-sm); color: var(--text-secondary); }
  .studio-tz .icon { color: var(--info); }

  .studio-image { display: flex; align-items: center; gap: var(--space-4); }
  .studio-image-thumb { flex: none; display: grid; place-items: center; width: 120px; height: 80px; overflow: hidden; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); background: var(--bg-secondary); }
  .studio-image-thumb img { width: 100%; height: 100%; object-fit: cover; }
  .studio-image-empty { display: grid; justify-items: center; gap: 2px; font: var(--text-caption); color: var(--text-muted); }
  .studio-image-actions { min-width: 0; display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
  .studio-image-actions .field-hint { flex-basis: 100%; }
  .community .studio-file { margin: 0; gap: var(--space-1); cursor: pointer; }
  .studio-file:focus-within { outline: var(--focus-width) solid var(--focus-ring); outline-offset: var(--focus-offset); }
  .studio-file.is-busy { opacity: .6; pointer-events: none; }

  .studio-status:empty { display: none; }
  .community .studio-status { margin: 0; padding: 0; }
  .studio-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); padding-top: var(--space-4); border-top: 1px solid var(--border-subtle); }
  .studio-actions-gap { flex: 1; }
  .studio-lifecycle { margin: calc(-1 * var(--space-2)) 0 0; }

  .studio-conflict[hidden] { display: none; }
  .studio-conflict .alert { display: grid; gap: var(--space-2); }
  .studio-conflict-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }
  .studio-carry { padding: var(--space-3) var(--space-4); border: 1px dashed var(--border-strong); border-radius: var(--radius-md); background: var(--bg-secondary); }
  .studio-carry summary { font: var(--text-label); cursor: pointer; }
  .studio-carry dl { display: grid; gap: var(--space-2); margin: var(--space-3) 0; }
  .studio-carry dt { font: var(--text-caption); color: var(--text-muted); }
  .studio-carry dd { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font: var(--text-body-sm); }

  /* ---------- preview & revisions ---------- */
  .studio-side { position: sticky; top: calc(var(--header-height) + var(--space-4)); min-width: 0; display: grid; gap: var(--space-4); }
  .studio-card { display: grid; gap: var(--space-3); padding: var(--space-4); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); background: var(--surface); }
  .studio-card-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); }
  .studio-card-head h3 { font: 700 15px/1.4 var(--font-sans); }
  .studio-seg { display: inline-flex; padding: 3px; border-radius: var(--radius-md); background: var(--bg-secondary); }
  .community .studio-seg button { min-height: 32px; margin: 0; padding: 0 var(--space-3); border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--text-secondary); font: var(--text-label); font-size: 13px; }
  .community .studio-seg button[aria-pressed="true"] { background: var(--surface); color: var(--text-primary); box-shadow: var(--shadow-1); }
  .studio-preview { display: grid; justify-items: center; gap: var(--space-3); padding: var(--space-4); overflow: hidden; border-radius: var(--radius-md); background: var(--bg-secondary); }
  .studio-frame { width: min(100%, var(--frame, 320px)); min-width: 0; }
  .studio-frame-mobile { padding: var(--space-3); border: 1px solid var(--border-default); border-radius: var(--radius-xl); background: var(--bg-primary); }
  .studio-frame > .home-quote, .studio-frame > .home-cta, .studio-frame > .side-cta, .studio-frame > .side-card, .studio-frame > .msg-promo { margin: 0; }
  .studio-frame > .msg-promo { margin-top: 0; }
  .studio-frame > .home-quick-quote { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); background: var(--surface); }
  .studio-preview-empty { padding: var(--space-8) var(--space-4); border: 1px dashed var(--border-strong); border-radius: var(--radius-lg); font: var(--text-body-sm); color: var(--text-muted); text-align: center; }
  .studio-preview-note { display: flex; align-items: center; gap: var(--space-2); margin: 0; font: var(--text-caption); color: var(--text-secondary); }
  .studio-preview-link { display: flex; align-items: flex-start; gap: var(--space-2); margin: 0; font: var(--text-body-sm); color: var(--text-secondary); overflow-wrap: anywhere; }
  .studio-preview-link:empty { display: none; }
  .studio-preview-link .icon { flex: none; margin-top: 2px; color: var(--accent); }
  .studio-rev-list { display: grid; margin: 0; padding: 0; list-style: none; }
  .studio-rev-list li { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-2); padding: var(--space-3) 0; }
  .studio-rev-list li + li { border-top: 1px solid var(--border-subtle); }
  .studio-rev-list li > div { min-width: 0; }
  .studio-rev-list strong { font: var(--text-label); }
  .studio-rev-list small { display: block; font: var(--text-caption); color: var(--text-muted); }
  .studio-rev-list p { margin: 2px 0 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: var(--text-body-sm); color: var(--text-secondary); }
  .studio-rev-list .btn { flex: none; }

  /* ---------- responsive ---------- */
  @media (max-width: 1279px) {
    .studio-editor { grid-template-columns: minmax(0, 1fr); }
    .studio-side { position: static; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); align-items: start; }
  }
  @media (max-width: 1023px) {
    .studio { grid-template-columns: minmax(0, 1fr); }
    .studio-rail { position: static; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
    .studio-rail-title { grid-column: 1 / -1; }
    .studio-now { grid-template-columns: minmax(0, 1fr); }
  }
  /* Phones: the navigator becomes one swipeable row of slots so the selected slot's content is on the first screen. */
  @media (max-width: 767px) {
    .studio { gap: var(--space-3); }
    .studio-rail { display: flex; gap: var(--space-4); overflow-x: auto; overscroll-behavior-x: contain; padding: var(--space-3); scrollbar-width: thin; }
    .studio-rail-title { display: none; }
    .studio-group { flex: none; }
    .studio-group ul { display: flex; gap: var(--space-1); }
    .community .studio-slot-link { width: auto; min-height: 40px; gap: var(--space-2); padding: 0 var(--space-2) 0 var(--space-3); border: 1px solid var(--border-subtle); border-radius: var(--radius-pill); white-space: nowrap; }
    .community .studio-slot-link[aria-current="true"] { border-color: transparent; }
    .studio-slot-name { overflow: visible; }
    .studio-main { padding: var(--space-4); }
    .studio-head { flex-direction: column; align-items: stretch; }
    .studio-head > .btn { align-self: flex-start; }
    .studio-pair { grid-template-columns: minmax(0, 1fr); }
    .studio-side { grid-template-columns: minmax(0, 1fr); }
    .studio-image { align-items: flex-start; flex-direction: column; }
    .studio-actions-gap { display: none; }
  }
}