/* ==========================================================================
   Prompt Genie — reusable components
   Layer 4 of 5. Phase 1 ships the global shell (header/nav/footer/buttons);
   Phase 2 adds cards, hero, badges, result panels, loading/empty states.
   All classes are pg- prefixed to avoid collisions with legacy styles.
   ========================================================================== */

/* ---------- Buttons ---------- */
.pg-btn {
  display: inline-block;
  white-space: nowrap;
  padding: 0.65rem 1.4rem;
  border-radius: var(--pico-border-radius);
  border: 1px solid transparent;
  font-family: var(--pg-font-body);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--pico-transition), color var(--pico-transition),
              border-color var(--pico-transition), box-shadow var(--pico-transition);
}

.pg-btn-primary {
  background: var(--pg-gold);
  color: var(--pg-gold-ink);
  border-color: var(--pg-gold);
}
.pg-btn-primary:hover,
.pg-btn-primary:focus-visible {
  background: var(--pico-primary-hover-background);
  border-color: var(--pico-primary-hover-border);
  color: var(--pg-gold-ink);
  box-shadow: 0 4px 18px rgb(201 164 92 / 0.25);
}

.pg-btn-outline {
  background: transparent;
  color: var(--pg-gold-bright);
  border-color: var(--pg-gold-deep);
}
.pg-btn-outline:hover,
.pg-btn-outline:focus-visible {
  border-color: var(--pg-gold);
  color: var(--pg-gold-bright);
  background: rgb(201 164 92 / 0.08);
}

/* ---------- Header / navigation ---------- */
.pg-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--pg-header-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--pg-border);
}

.pg-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.75rem;
}

/* Logo lockup */
.pg-lockup {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}
.pg-lockup .pg-mark {
  display: block;
  width: clamp(12rem, 18vw, 16rem);
  flex: none;
}
.pg-lockup .pg-mark-image {
  width: 100%;
  height: auto;
  display: block;
}
.pg-lockup .pg-mark-light { display: none; }
[data-theme="light"] .pg-lockup .pg-mark-light { display: block; }
[data-theme="light"] .pg-lockup .pg-mark-dark { display: none; }

/* Logo mark theming (inline SVG) */
.pg-mark .pg-mark-gold { stroke: var(--pg-gold); }
.pg-mark .pg-mark-gold-fill { fill: var(--pg-gold); }
.pg-mark .pg-mark-bright { fill: var(--pg-gold-bright); }
.pg-mark .pg-mark-wand { stroke: var(--pg-mark-contrast); }
.pg-mark .pg-mark-tip { stroke: var(--pg-gold-bright); }

.pg-nav-links {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.pg-nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  white-space: nowrap;
  color: var(--pg-ink-muted);
  text-decoration: none;
  transition: color var(--pico-transition);
}
.pg-nav-links a:hover,
.pg-nav-links a[aria-current="page"] { color: var(--pg-gold-bright); }

.pg-nav-actions { display: flex; align-items: center; gap: 0.75rem; }

/* Theme toggle: CSS shows the icon for the theme you'd switch TO */
.pg-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--pg-border);
  border-radius: 50%;
  color: var(--pg-ink-muted);
  cursor: pointer;
  transition: color var(--pico-transition), border-color var(--pico-transition);
}
.pg-theme-toggle:hover { color: var(--pg-gold-bright); border-color: var(--pg-gold-deep); }
.pg-theme-toggle svg { width: 18px; height: 18px; }
[data-theme="dark"] .pg-icon-moon { display: none; }
[data-theme="light"] .pg-icon-sun { display: none; }

/* Burger (mobile only) */
.pg-burger {
  display: none;
  width: 40px; height: 40px;
  padding: 0;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--pg-border);
  border-radius: var(--pico-border-radius);
  color: var(--pg-ink);
  cursor: pointer;
}
.pg-burger svg { width: 20px; height: 20px; }

/* Mobile drawer */
.pg-drawer {
  border-top: 1px solid var(--pg-border);
  background: var(--pg-bg);
  padding: 0.5rem 0 1rem;
}
.pg-drawer a {
  display: block;
  padding: 0.7rem 1.5rem;
  color: var(--pg-ink-muted);
  font-weight: 500;
  text-decoration: none;
}
.pg-drawer a:hover { color: var(--pg-gold-bright); }
.pg-drawer .pg-btn { display: block; margin: 0.75rem 1.5rem 0; text-align: center; }
.pg-drawer a.pg-btn-primary,
.pg-drawer a.pg-btn-primary:hover { color: var(--pg-gold-ink); }

@media (max-width: 992px) {
  .pg-nav-links, .pg-nav-cta { display: none; }
  .pg-burger { display: inline-flex; }
}
@media (max-width: 768px) {
  .pg-lockup .pg-mark { width: min(12rem, 52vw); }
}
@media (min-width: 993px) {
  .pg-drawer { display: none; }
}

/* ---------- Footer ---------- */
.pg-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--pg-border);
  background: var(--pg-surface);
  padding: 3rem 0 2rem;
}
.pg-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
}
.pg-footer .pg-lockup .pg-mark { width: clamp(10rem, 15vw, 13rem); }
.pg-footer-blurb {
  margin-top: 0.75rem;
  max-width: 34ch;
  font-size: 0.9rem;
  color: var(--pg-ink-muted);
}
.pg-footer-heading {
  font-family: var(--pg-font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pg-ink-muted);
  margin-bottom: 0.9rem;
}
.pg-footer-links { list-style: none; margin: 0; padding: 0; }
.pg-footer-links li { list-style: none; margin-bottom: 0.5rem; }
.pg-footer-links a {
  color: var(--pg-ink-muted);
  font-size: 0.92rem;
  text-decoration: none;
}
.pg-footer-links a:hover { color: var(--pg-gold-bright); }
.pg-footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--pg-border);
  font-size: 0.85rem;
  color: var(--pg-ink-muted);
}
.pg-footer-bottom a { color: var(--pg-ink-muted); text-decoration: none; }
.pg-footer-bottom a:hover { color: var(--pg-gold-bright); }

@media (max-width: 768px) {
  .pg-footer-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Phase 2 — content components (built against home + tool page needs)
   ========================================================================== */

/* ---------- Hero ---------- */
.pg-hero {
  position: relative;
  text-align: center;
  padding-block: clamp(2.25rem, 1.75rem + 2.5vw, 4rem) clamp(2rem, 1.5rem + 2vw, 3.5rem);
  overflow: hidden;
}
.pg-hero::before {
  /* faint gold aurora behind the headline — the one permitted glow */
  content: "";
  position: absolute;
  inset: -40% -20% auto;
  height: 130%;
  background: radial-gradient(ellipse 55% 45% at 50% 30%, rgb(201 164 92 / 0.13), transparent 70%);
  pointer-events: none;
}
.pg-hero > * { position: relative; }
.pg-hero h1 { max-width: 22ch; margin-inline: auto; }
.pg-hero-lede {
  max-width: 58ch;
  margin: 1.25rem auto 2rem;
  font-size: 1.1rem;
  color: var(--pg-ink-muted);
}
.pg-hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- Grids ---------- */
.pg-grid { display: grid; gap: 1.25rem; }
.pg-grid-2 { grid-template-columns: repeat(2, 1fr); }
.pg-grid-3 { grid-template-columns: repeat(3, 1fr); }
.pg-grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 992px) {
  .pg-grid-3, .pg-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .pg-grid-2, .pg-grid-3, .pg-grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Cards ---------- */
.pg-card {
  display: block;
  padding: 1.5rem;
  background: var(--pg-surface);
  border: 1px solid var(--pg-border);
  border-radius: 14px;
  color: inherit;
  text-decoration: none;
  transition: border-color var(--pico-transition), transform var(--pico-transition),
              box-shadow var(--pico-transition);
}
.pg-card h3 { font-size: 1.15rem; margin: 0 0 0.4rem; }
.pg-card p { margin: 0; font-size: 0.95rem; color: var(--pg-ink-muted); }

a.pg-card:hover,
a.pg-card:focus-visible {
  border-color: var(--pg-gold-deep);
  transform: translateY(-3px);
  box-shadow: var(--pg-shadow);
}

.pg-icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px; height: 46px;
  margin-bottom: 1rem;
  border-radius: 12px;
  background: rgb(201 164 92 / 0.12);
  border: 1px solid rgb(201 164 92 / 0.25);
  color: var(--pg-gold-bright);
}
.pg-icon-chip svg { width: 22px; height: 22px; }

/* Tool card link line ("Open tool →") */
.pg-card-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--pg-gold-bright);
}
.pg-card-link::after {
  content: " \2192";
  display: inline-block;
  transition: transform var(--pico-transition);
}
a.pg-card:hover .pg-card-link::after { transform: translateX(4px); }

/* ---------- Badges ---------- */
.pg-badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--pg-gold-deep);
  color: var(--pg-gold-bright);
  background: rgb(201 164 92 / 0.08);
}
.pg-badge-solid {
  background: var(--pg-gold);
  border-color: var(--pg-gold);
  color: var(--pg-gold-ink);
}
.pg-badge-muted {
  border-color: var(--pg-border);
  color: var(--pg-ink-muted);
  background: transparent;
}

/* ---------- Gold check list ---------- */
.pg-check-list { list-style: none; margin: 0; padding: 0; }
.pg-check-list li {
  list-style: none;   /* Pico marks nested li directly */
  position: relative;
  padding-left: 1.9rem;
  margin-bottom: 0.65rem;
}
.pg-check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.18em;
  width: 1.1em; height: 1.1em;
  background: currentColor;
  color: var(--pg-gold);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6L9 17l-5-5"/></svg>') center / contain no-repeat;
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="3" stroke-linecap="round" stroke-linejoin="round"><path d="M20 6L9 17l-5-5"/></svg>') center / contain no-repeat;
}

/* ---------- CTA panel ---------- */
.pg-cta-panel {
  text-align: center;
  padding: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
  background: var(--pg-surface);
  border: 1px solid var(--pg-gold-deep);
  border-radius: 16px;
}
.pg-cta-panel h2 { margin-top: 0; }
.pg-cta-panel .pg-note { margin-top: 1rem; }

/* ---------- Tool result panel ---------- */
.pg-panel {
  background: var(--pg-surface);
  border: 1px solid var(--pg-border);
  border-radius: 14px;
  overflow: hidden;
}
.pg-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  background: var(--pg-surface-2);
  border-bottom: 1px solid var(--pg-border);
}
.pg-panel-title {
  margin: 0;
  font-family: var(--pg-font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pg-ink-muted);
}
.pg-panel-body { padding: 1.25rem; }
.pg-panel-body > :last-child { margin-bottom: 0; }

/* Action bar (e.g. under results: copy all, download) */
.pg-result-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 1.25rem;
  background: var(--pg-surface);
  border: 1px solid var(--pg-border);
  border-radius: 14px;
}

/* Small copy button */
.pg-btn-sm { padding: 0.4rem 0.9rem; font-size: 0.85rem; }

/* ---------- Loading ---------- */
.pg-spinner {
  display: inline-block;
  width: 2.2rem; height: 2.2rem;
  border: 3px solid rgb(201 164 92 / 0.25);
  border-top-color: var(--pg-gold);
  border-radius: 50%;
  animation: pg-spin 0.9s linear infinite;
}
@keyframes pg-spin { to { transform: rotate(360deg); } }

.pg-loading {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--pg-surface);
  border: 1px solid var(--pg-border);
  border-radius: 14px;
}
.pg-loading p { margin: 1rem 0 0; color: var(--pg-ink-muted); }

@media (prefers-reduced-motion: reduce) {
  .pg-spinner { animation-duration: 2.5s; }
  a.pg-card:hover { transform: none; }
}

/* ---------- Empty state ---------- */
.pg-empty {
  text-align: center;
  padding: 3rem 1.5rem;
  border: 1px dashed var(--pg-border);
  border-radius: 14px;
  color: var(--pg-ink-muted);
}
.pg-empty .pg-mark { width: 44px; height: 44px; opacity: 0.45; margin-bottom: 0.75rem; }
.pg-empty p { margin: 0; }
.pg-empty .pg-empty-hint { font-size: 0.85rem; margin-top: 0.4rem; }

/* ---------- Fine print ---------- */
.pg-note {
  font-size: 0.82rem;
  color: var(--pg-ink-muted);
}