:root {
  --bg: #0d0d0f;
  --bg2: #131316;
  --bg3: #1a1a1f;
  --surface: #1e1e24;
  --surface2: #26262e;
  --border: #2e2e38;
  --border2: #3a3a48;
  --text: #f0ede8;
  --text2: #a09a92;
  --text3: #5e5a55;
  --accent: #e8c547;
  --accent2: #c9a82c;
  --accent3: #f5dfa0;
  --red: #d45a47;
  --blue: #5aa4d4;
  --green: #6ab47a;
  --radius: 4px;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-mono: 'DM Mono', 'Courier New', monospace;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  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)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0 24px;
  position: relative;
}
.landing::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(232,197,71,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 20px; }
.logo-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.header-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 0 60px;
  width: 100%;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0.9;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 88px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 28px;
}
.hero-title em { font-style: italic; color: var(--accent); }
.hero-sub {
  font-size: 17px;
  color: var(--text2);
  max-width: 520px;
  line-height: 1.65;
  margin-bottom: 48px;
  font-weight: 300;
}
.search-form { display: flex; flex-direction: column; gap: 16px; }
.input-group {
  display: flex;
  gap: 0;
  max-width: 560px;
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
  background: var(--bg2);
}
.input-group:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,197,71,0.12);
}
.username-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text);
  caret-color: var(--accent);
  min-width: 0;
}
.username-input::placeholder { color: var(--text3); }
.generate-btn {
  background: var(--accent);
  color: #0d0d0f;
  border: none;
  padding: 16px 24px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s, transform 0.1s;
  white-space: nowrap;
}
.generate-btn:hover { background: var(--accent3); }
.generate-btn:active { transform: scale(0.98); }
.generate-btn:disabled { background: var(--border); color: var(--text3); cursor: not-allowed; }
.btn-arrow { font-size: 18px; transition: transform 0.2s; }
.generate-btn:hover .btn-arrow { transform: translateX(4px); }
.form-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text3);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.demo-btn {
  background: none;
  border: 1px solid var(--border2);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.demo-btn:hover { border-color: var(--accent); color: var(--accent3); }
.how-it-works {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  padding: 40px 0 60px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
}
.step { display: flex; align-items: baseline; gap: 12px; }
.step-num { font-family: var(--font-mono); font-size: 11px; color: var(--accent); font-weight: 400; }
.step-label { font-size: 13px; color: var(--text2); font-weight: 300; }
.step-divider { color: var(--border2); font-size: 18px; flex-shrink: 0; }
.loading-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}
.loading-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  max-width: 400px;
  text-align: center;
}
.vinyl-spinner {
  width: 120px;
  height: 120px;
  animation: spinVinyl 2.5s linear infinite;
}
@keyframes spinVinyl {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.vinyl-record {
  width: 100%;
  height: 100%;
  background: repeating-radial-gradient(circle, #1a1a1a 0px, #111 2px, #222 3px, #111 4px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 4px #333, 0 0 40px rgba(232,197,71,0.15);
}
.vinyl-label {
  width: 44px;
  height: 44px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.vinyl-text {
  font-family: var(--font-display);
  font-size: 6px;
  font-weight: 700;
  color: #0d0d0f;
  text-align: center;
  line-height: 1.2;
}
.loading-steps { display: flex; flex-direction: column; gap: 12px; width: 100%; }
.loading-step {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text3);
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.3s;
  text-align: left;
}
.loading-step.active { color: var(--accent); border-color: var(--accent); background: rgba(232,197,71,0.06); }
.loading-step.done { color: var(--green); border-color: var(--border); }
.error-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
}
.error-inner {
  text-align: center;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.error-icon { font-size: 48px; color: var(--red); }
.error-title { font-family: var(--font-display); font-size: 28px; font-weight: 700; }
.error-msg { color: var(--text2); font-size: 15px; line-height: 1.6; }
.results-section {
  min-height: 100vh;
  padding: 0 24px 80px;
  max-width: 940px;
  margin: 0 auto;
}
.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  gap: 16px;
}
.results-username {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text2);
  flex: 1;
  text-align: center;
}
.back-btn {
  background: none;
  border: 1px solid var(--border2);
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.back-btn:hover { border-color: var(--text); color: var(--text); }
.share-btn {
  background: var(--accent);
  color: #0d0d0f;
  border: none;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.share-btn:hover { background: var(--accent3); }
.shelf-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 36px 40px;
  margin: 40px 0;
  position: relative;
  overflow: hidden;
}
.shelf-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(232,197,71,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.shelf-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.shelf-card-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.shelf-card-date { font-family: var(--font-mono); font-size: 11px; color: var(--text3); }
.shelf-blurb {
  font-family: var(--font-display);
  font-size: clamp(16px, 2.2vw, 20px);
  font-style: italic;
  line-height: 1.7;
  color: var(--text);
  border: none;
  white-space: pre-line;
}
.section-block { margin-bottom: 60px; }
.section-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.section-sub { font-family: var(--font-mono); font-size: 12px; color: var(--text3); margin-bottom: 28px; }
.artists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 24px;
}
.artist-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
  overflow: hidden;
}
.artist-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  height: 2px; width: 0;
  background: var(--accent);
  transition: width 0.3s;
}
.artist-card:hover { border-color: var(--border2); background: var(--bg3); }
.artist-card:hover::before { width: 100%; }
.artist-rank { font-family: var(--font-mono); font-size: 10px; color: var(--text3); margin-bottom: 8px; }
.artist-name { font-family: var(--font-display); font-size: 17px; font-weight: 700; margin-bottom: 6px; line-height: 1.2; }
.artist-meta { font-family: var(--font-mono); font-size: 11px; color: var(--text3); margin-bottom: 10px; }
.artist-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text2);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 2px;
}
.artist-plays { margin-top: 12px; font-family: var(--font-mono); font-size: 11px; color: var(--accent); }
.books-shelf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.book-spine {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}
.book-spine::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--book-color, var(--accent));
}
.book-spine:hover {
  transform: translateY(-3px);
  border-color: var(--border2);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.book-type { font-family: var(--font-mono); font-size: 9px; color: var(--text3); text-transform: uppercase; letter-spacing: 0.1em; }
.book-title { font-family: var(--font-display); font-size: 14px; font-weight: 700; line-height: 1.3; color: var(--text); }
.book-query { font-family: var(--font-mono); font-size: 10px; color: var(--text3); margin-top: auto; line-height: 1.4; }
.book-link { font-family: var(--font-mono); font-size: 10px; color: var(--accent); margin-top: 4px; }
.results-footer { border-top: 1px solid var(--border); padding-top: 32px; margin-top: 20px; }
.powered-by { font-family: var(--font-mono); font-size: 12px; color: var(--text3); line-height: 1.8; }
.powered-by a { color: var(--accent); text-decoration: none; transition: color 0.15s; }
.powered-by a:hover { color: var(--accent3); }
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface2);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 12px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  opacity: 0;
  transition: all 0.3s;
  z-index: 100;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (max-width: 600px) {
  .landing { padding: 0 16px; }
  .hero { padding: 48px 0 40px; }
  .results-section { padding: 0 16px 60px; }
  .how-it-works { flex-direction: column; align-items: flex-start; gap: 12px; }
  .step-divider { display: none; }
  .results-header { flex-wrap: wrap; }
  .results-username { order: -1; flex: 100%; text-align: left; }
  .shelf-card { padding: 24px 20px; }
  .artists-grid { grid-template-columns: 1fr 1fr; }
  .books-shelf { grid-template-columns: 1fr 1fr; }
  .input-group { flex-direction: column; }
  .generate-btn { justify-content: center; }
}
@media (max-width: 380px) {
  .artists-grid { grid-template-columns: 1fr; }
  .books-shelf { grid-template-columns: 1fr; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.5s ease both; }
.fade-up-1 { animation-delay: 0.05s; }
.fade-up-2 { animation-delay: 0.12s; }
.fade-up-3 { animation-delay: 0.2s; }
.fade-up-4 { animation-delay: 0.28s; }

.book-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
  padding-top: 10px;
}

.book-link-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 4px 8px;
  border-radius: 2px;
  text-decoration: none;
  text-align: center;
  transition: opacity 0.15s;
}

.book-link-btn:hover { opacity: 0.8; }

.book-link-btn.bb {
  background: #ba478f22;
  color: #e87ac8;
  border: 1px solid #ba478f55;
}

.book-link-btn.gb {
  background: #4285f422;
  color: #7ab4f5;
  border: 1px solid #4285f455;
}

.book-link-btn.ol {
  background: #e8c54722;
  color: var(--accent);
  border: 1px solid #e8c54755;
}

.hint-link {
  color: var(--accent);
  text-decoration: none;
}
.hint-link:hover { color: var(--accent3); text-decoration: underline; }