/* ============================================================
   Vortal — Iframe Shell States
   Requires: base-tokens.css, client-tokens.css

   Wraps WS4 (site health) iframe embeds.
   Handles: loading, loaded, error, stale, no-data states.
   ============================================================ */

/* ── Shell wrapper ───────────────────────────────────────── */
.iframe-shell {
  position: relative;
  inline-size: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  background-color: var(--color-surface);
  overflow: hidden;
  min-block-size: 400px;
}

/* ── Iframe itself ───────────────────────────────────────── */
.iframe-shell iframe {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  border: none;
  min-block-size: 400px;
}

/* ── State overlay ───────────────────────────────────────── */
/* Shown over the iframe during non-loaded states */
.iframe-state {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  text-align: center;
  padding: var(--space-10) var(--space-8);
  background-color: var(--color-surface);
}

.iframe-state[hidden] { display: none; }

.iframe-state-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  inline-size: 3rem;
  block-size: 3rem;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.iframe-state-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.iframe-state-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-inline-size: 40ch;
  margin: 0;
}

/* ── Loading state ───────────────────────────────────────── */
.iframe-state--loading .iframe-state-icon {
  background-color: color-mix(in oklch, var(--color-bg) 50%, var(--color-surface));
  color: var(--color-text-muted);
}

.iframe-spinner {
  inline-size: 1.5rem;
  block-size: 1.5rem;
  border: 2px solid var(--color-border);
  border-block-start-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 600ms linear infinite;
}

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

/* ── Error state ─────────────────────────────────────────── */
.iframe-state--error .iframe-state-icon {
  background-color: oklch(95% 0.06 25);
  color: oklch(42% 0.18 25);
}

/* ── Stale state (data loaded but outdated) ──────────────── */
.iframe-state--stale {
  /* Non-blocking — shown as a banner over the top of a loaded iframe */
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  inset-block-end: auto;
  flex-direction: row;
  justify-content: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  text-align: start;
  background-color: oklch(95% 0.08 80);
  color: oklch(36% 0.14 65);
  border-block-end: 1px solid oklch(88% 0.08 80);
  border-radius: 0;
}

.iframe-state--stale .iframe-state-icon {
  inline-size: 1.25rem;
  block-size: 1.25rem;
  background: none;
  color: currentColor;
  flex-shrink: 0;
}

.iframe-state--stale .iframe-state-title {
  font-size: var(--text-sm);
  color: inherit;
}

.iframe-state--stale .iframe-state-body {
  font-size: var(--text-xs);
  color: inherit;
  opacity: 0.8;
  max-inline-size: none;
}

/* ── No-data state ───────────────────────────────────────── */
.iframe-state--no-data .iframe-state-icon {
  background-color: color-mix(in oklch, var(--color-bg) 50%, var(--color-surface));
  color: var(--color-text-muted);
}

/* ── Timeout banner ──────────────────────────────────────── */
.iframe-timeout-bar {
  position: absolute;
  inset-block-end: 0;
  inset-inline: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background-color: color-mix(in oklch, var(--color-bg) 80%, var(--color-surface));
  border-block-start: 1px solid var(--color-border-light);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}