/* PromptHub + shared shell helpers — global nav on top, section nav below */

/* Scoped tokens (was inline :root on PromptHub pages; global theme-tokens keeps --radius: 10px) */
.site-shell.prompthub-theme {
  --radius: 12px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur: 0.55s;
}

.site-header {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
}

.site-header > [data-vt-user-nav] {
  width: 100%;
  flex-basis: 100%;
}

.site-header-brand-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.75rem;
  width: 100%;
}

.ph-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  align-items: center;
  margin-left: auto;
  font-size: 0.82rem;
}

.ph-nav a {
  color: var(--accent);
  text-decoration: none;
  padding: 0.35rem 0.55rem;
  border-radius: 6px;
  border: 1px solid transparent;
}

.ph-nav a:hover {
  border-color: var(--border);
}

.ph-nav a.active {
  font-weight: 600;
  border-color: var(--accent);
}

.auth-strip {
  align-items: center;
  margin-bottom: 0.25rem;
}

.auth-strip .ph-cta,
.auth-strip .btn-primary,
a.ph-cta,
a.ph-cta:visited {
  display: inline-block;
  text-decoration: none;
  background: var(--accent);
  color: #ffffff;
  border-radius: 8px;
  padding: 0.55rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.auth-strip .ph-cta:hover,
.auth-strip .btn-primary:hover {
  background: var(--accent-hover, #1d4ed8);
}

/* Auth state — shared across PromptHub pages (a11y-safe contrast in light theme) */
.ph-auth-state {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.45;
}
.ph-auth-mark { font-size: 0.9rem; flex-shrink: 0; }
.ph-auth-state.is-anon { color: #92400e; }
.ph-auth-state.is-session { color: #047857; }
.ph-auth-state.is-key { color: #1e40af; }
[data-theme="dark"] .ph-auth-state.is-anon { color: var(--gold); }
[data-theme="dark"] .ph-auth-state.is-session { color: var(--success); }
[data-theme="dark"] .ph-auth-state.is-key { color: var(--accent); }

/* Touch targets — WCAG 2.5.5 advisory (44px) */
.ph-actions button,
.match-actions button,
.queue-actions button {
  min-height: 2.75rem;
}

.auth-hint {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.35rem;
  max-width: 42rem;
  line-height: 1.45;
}

.ph-fallback {
  margin-top: 0.75rem;
  font-size: 0.82rem;
}

.ph-fallback summary {
  cursor: pointer;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.ph-fallback-hint {
  margin-bottom: 0.5rem;
}

/* Prompt cards — higher contrast, optional format preview strip */
.prompt-card {
  position: relative;
}

.prompt-format-visual {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 3.25rem;
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
  margin: -0.15rem 0 0.35rem;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.prompt-format-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.prompt-format-label {
  opacity: 0.95;
}

.prompt-preview {
  font-size: 0.86rem !important;
  color: var(--text) !important;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--surface2);
  border-radius: 6px;
  border-left: 3px solid var(--accent);
  padding: 0.65rem 0.75rem !important;
  max-height: 6.5rem !important;
  line-height: 1.45;
  opacity: 1 !important;
}

.prompt-title {
  font-size: 1.1rem;
  font-weight: 650;
}

.prompt-desc {
  font-size: 0.88rem;
  color: var(--text);
  opacity: 0.95;
}

/* PX03 — split studio layout */
.ph-studio {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
}

.ph-studio-tabs {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.ph-studio-tab {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface2);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
}

.ph-studio-tab.active {
  border-color: var(--accent);
  font-weight: 600;
}

.ph-studio-grid {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.ph-studio-request,
.ph-studio-result {
  min-width: 0;
}

.ph-character-scene {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0.5rem 0 0;
}

.ph-character-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface2);
  font-size: 0.78rem;
}

.ph-character-chip button {
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.ph-clarify-root {
  margin: 0.75rem 0 0;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface2);
}

.ph-versions {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.ph-versions-list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.ph-versions-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.65rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.8rem;
}

.ph-versions-list button {
  font-size: 0.78rem;
}

.ph-wow-fields {
  margin-top: 0.65rem;
  display: grid;
  gap: 0.45rem;
}

.ph-wow-field {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.55rem;
  background: var(--surface2);
}

.ph-wow-field label {
  font-size: 0.76rem;
  color: var(--muted);
  display: block;
  margin-bottom: 0.25rem;
}

.ph-wow-field input,
.ph-wow-field textarea {
  width: 100%;
  font-size: 0.82rem;
}

.ph-consent {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  margin: 0.65rem 0 0;
  font-size: 0.8rem;
}

@media (min-width: 900px) {
  .ph-studio-tabs {
    display: none;
  }

  .ph-studio-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .ph-studio-grid.ph-tab-request .ph-studio-result,
  .ph-studio-grid.ph-tab-result .ph-studio-request {
    display: block;
  }
}

@media (max-width: 899px) {
  .ph-studio-grid.ph-tab-request .ph-studio-result {
    display: none;
  }

  .ph-studio-grid.ph-tab-result .ph-studio-request {
    display: none;
  }
}

.ph-diagnostics {
  margin-bottom: 1rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.ph-diagnostics summary {
  cursor: pointer;
  user-select: none;
  margin-bottom: 0.35rem;
}

.ph-diagnostics-body {
  margin: 0;
  padding: 0.65rem 0.75rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
  font-size: 0.72rem;
  line-height: 1.45;
  max-height: 12rem;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 768px) {
  .ph-nav {
    margin-left: 0;
    width: 100%;
  }

  .site-header-brand-row {
    flex-direction: column;
  }
}