/* ============================================
   PROMPT LIBRARY — STYLE.CSS
   Aesthetic: Dark Editorial / Literary
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;0,900;1,700&family=DM+Mono:wght@300;400;500&family=DM+Sans:wght@300;400;500&display=swap');

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #0e0e10;
  --bg-card:    #16161a;
  --bg-hover:   #1e1e24;
  --border:     #2a2a32;
  --accent:     #f0a500;
  --accent-dim: #a87300;
  --text:       #e8e6df;
  --muted:      #7a7880;
  --tag-bg:     #1f1e26;
  --radius:     12px;
  --radius-sm:  6px;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', 'Courier New', monospace;
  --transition:   0.2s ease;
  --max-w:        1160px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100vh;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }

/* ---- Selection ---- */
::selection { background: var(--accent); color: #000; }

/* ============================================
   NOISE TEXTURE OVERLAY
   ============================================ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* ============================================
   HEADER / NAV
   ============================================ */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14,14,16,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1.5rem;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}

.site-logo span {
  color: var(--accent);
}

.header-search {
  flex: 1;
  max-width: 380px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  padding: 5rem 2rem 3.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-eyebrow::after {
  content: '';
  display: block;
  height: 1px;
  width: 48px;
  background: var(--accent);
  opacity: 0.5;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text);
  max-width: 700px;
  margin-bottom: 1.2rem;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 2.5rem;
  font-weight: 300;
  line-height: 1.75;
}

/* ============================================
   SEARCH BAR
   ============================================ */
.search-wrap {
  position: relative;
  width: 100%;
}

.search-wrap svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
  flex-shrink: 0;
}

.search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.search-input::placeholder { color: var(--muted); }

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(240,165,0,0.12);
}

/* Hero search — larger */
.hero .search-wrap .search-input {
  padding: 1rem 1.25rem 1rem 3rem;
  font-size: 1rem;
  border-radius: var(--radius);
  max-width: 560px;
  background: var(--bg-card);
}

/* ============================================
   CATEGORY FILTERS
   ============================================ */
.filters {
  padding: 0 2rem 2rem;
  max-width: var(--max-w);
  margin: 0 auto;
}

.filter-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.85rem;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.82rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition);
  font-weight: 400;
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(240,165,0,0.06);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  font-weight: 500;
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  padding: 0 2rem 1.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.stats-count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.stats-count strong {
  color: var(--text);
  font-weight: 500;
}

/* ============================================
   PROMPT GRID
   ============================================ */
.prompt-grid {
  padding: 0 2rem 4rem;
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

/* ============================================
   PROMPT CARD
   ============================================ */
.prompt-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  /* Ensure <a> tags render as block flex */
  box-sizing: border-box;
  width: 100%;
}

.prompt-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.prompt-card:hover {
  border-color: rgba(240,165,0,0.35);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.prompt-card:hover::before { opacity: 1; }

.card-category {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(240,165,0,0.1);
  border: 1px solid rgba(240,165,0,0.2);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.65rem;
  width: fit-content;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  letter-spacing: -0.01em;
}

.card-preview {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
  flex: 1;
  font-weight: 300;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.25rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
}

.card-open-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-weight: 500;
  transition: gap var(--transition);
}

.prompt-card:hover .card-open-btn { gap: 0.75rem; }

.card-arrow {
  transition: transform var(--transition);
}

.prompt-card:hover .card-arrow { transform: translateX(3px); }

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.empty-state h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.empty-state p {
  color: var(--muted);
  font-size: 0.9rem;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
}

/* ============================================
   PROMPT PAGE STYLES
   ============================================ */
.prompt-page-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 2.5rem;
  transition: color var(--transition);
}

.back-link:hover { color: var(--accent); }

.prompt-page-category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(240,165,0,0.1);
  border: 1px solid rgba(240,165,0,0.25);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.8rem;
  display: inline-block;
  margin-bottom: 1.2rem;
}

.prompt-page-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.prompt-page-divider {
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin: 1.75rem 0;
}

/* Prompt text box */
.prompt-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
  margin-bottom: 1.25rem;
}

.prompt-box-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.prompt-text {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  font-weight: 300;
}

/* ---- Copy Button ---- */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.copy-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
}

.copy-btn:hover {
  background: #ffb520;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(240,165,0,0.35);
}

.copy-btn:active { transform: translateY(0); }

.copy-btn.copied {
  background: #22c55e;
}

/* ============================================
   RELATED PROMPTS SECTION
   ============================================ */
.related-section {
  margin-top: 3.5rem;
}

.related-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.related-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

/* ============================================
   LOADING SKELETON
   ============================================ */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  animation: fadeUp 0.45s ease both;
}

.prompt-card:nth-child(1) { animation-delay: 0.05s; }
.prompt-card:nth-child(2) { animation-delay: 0.10s; }
.prompt-card:nth-child(3) { animation-delay: 0.15s; }
.prompt-card:nth-child(4) { animation-delay: 0.20s; }
.prompt-card:nth-child(5) { animation-delay: 0.25s; }
.prompt-card:nth-child(6) { animation-delay: 0.30s; }
.prompt-card:nth-child(7) { animation-delay: 0.35s; }
.prompt-card:nth-child(8) { animation-delay: 0.40s; }
.prompt-card:nth-child(9) { animation-delay: 0.45s; }

/* ============================================
   404 / ERROR STATE
   ============================================ */
.error-page {
  max-width: 500px;
  margin: 6rem auto;
  text-align: center;
  padding: 2rem;
}

.error-code {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  margin-bottom: 1rem;
}

.error-page h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.error-page p {
  color: var(--muted);
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.btn-home {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: #000;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all var(--transition);
}

.btn-home:hover {
  background: #ffb520;
  transform: translateY(-1px);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .site-header { padding: 0 1.25rem; }
  .header-search { display: none; }

  .hero { padding: 3rem 1.25rem 2rem; }
  .hero h1 { font-size: 2.2rem; }

  .filters { padding: 0 1.25rem 1.5rem; }
  .stats-bar { padding: 0 1.25rem 1rem; }

  .prompt-grid {
    padding: 0 1.25rem 3rem;
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .prompt-page-wrap { padding: 2rem 1.25rem 4rem; }
  .prompt-page-title { font-size: 1.8rem; }
  .prompt-box { padding: 1.25rem; }

  .related-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.9rem; }
  .filter-row { gap: 0.4rem; }
  .filter-btn { font-size: 0.78rem; padding: 0.35rem 0.85rem; }
}