:root {
  --bg: #1a1a2e;
  --card-bg: #16213e;
  --accent: #e94560;
  --text: #eaeaea;
  --muted: #8a8a9a;
  --border: #2a2a4a;
  --gold: #f5c542;
  --font: 'Georgia', 'Noto Serif SC', serif;
  --mono: 'Courier New', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  min-height: 100vh;
}
.page { max-width: 640px; margin: 0 auto; padding: 16px; }
.hdr { display: flex; justify-content: flex-end; padding: 8px 0; }
.lang-swap a {
  color: var(--muted); text-decoration: none; font-size: 14px;
  padding: 4px 8px; border: 1px solid var(--border); border-radius: 4px;
}
.lang-swap a:hover { color: var(--accent); border-color: var(--accent); }
.lang-swap span { color: var(--muted); margin: 0 4px; }
.main { text-align: center; padding: 20px 0; }
.intro { padding: 40px 0; }
.title {
  font-size: 2.2rem; font-weight: 700; letter-spacing: -0.5px;
  color: var(--text); margin-bottom: 12px;
}
.subtitle { font-size: 1rem; color: var(--muted); margin-bottom: 32px; }
.btn-generate {
  background: var(--accent); color: #fff; border: none;
  padding: 14px 36px; font-size: 1.1rem; font-family: var(--font);
  border-radius: 8px; cursor: pointer; transition: transform .15s, box-shadow .15s;
  box-shadow: 0 4px 16px rgba(233,69,96,0.3); white-space: nowrap;
}
.input-row { display: flex; gap: 8px; justify-content: center; max-width: 420px; margin: 0 auto; }
.name-input {
  flex: 1; background: var(--card-bg); color: var(--text); border: 1px solid var(--border);
  padding: 14px 16px; font-size: 1rem; font-family: var(--font); border-radius: 8px; outline: none;
}
.name-input:focus { border-color: var(--accent); }
.name-input::placeholder { color: var(--muted); }
.btn-generate:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(233,69,96,0.4); }
.btn-generate:active { transform: translateY(0); }
.btn-generate:disabled { opacity: 0.5; cursor: not-allowed; }
.hidden { display: none !important; }
.loading { display: flex; align-items: center; justify-content: center; gap: 12px; color: var(--muted); padding: 30px 0; }
.spinner {
  width: 20px; height: 20px; border: 3px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.sample-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden; text-align: left;
  margin: 24px 0; box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  opacity: 0.75;
}
.sample-card .card-header { background: rgba(245,197,66,0.08); }
.sample-card .card-label { color: var(--gold); }
.result-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden; text-align: left;
  margin: 24px 0; box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.card-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; background: rgba(233,69,96,0.08);
  border-bottom: 1px solid var(--border);
}
.card-label { font-size: 0.75rem; letter-spacing: 2px; color: var(--accent); text-transform: uppercase; }
.card-year { font-size: 1.2rem; font-weight: 700; color: var(--gold); }
.card-body { padding: 20px; }
.card-section { margin-bottom: 18px; }
.card-section:last-child { margin-bottom: 0; }
.field-label {
  display: block; font-size: 0.7rem; letter-spacing: 1.5px;
  color: var(--muted); text-transform: uppercase; margin-bottom: 4px;
}
.field-value { font-size: 1.05rem; color: var(--text); }
.event-list { list-style: none; padding: 0; }
.event-list li {
  padding: 6px 0 6px 20px; position: relative; font-size: 0.95rem;
  border-bottom: 1px solid rgba(42,42,74,0.5);
}
.event-list li:last-child { border-bottom: none; }
.event-list li::before {
  content: "▸"; position: absolute; left: 0; color: var(--accent);
}
.vibe-section {
  padding-top: 16px; border-top: 1px dashed var(--border);
}
.vibe-text { font-style: italic; color: var(--gold); }
.card-footer {
  padding: 8px 20px; background: rgba(0,0,0,0.2); font-size: 0.7rem; color: var(--muted);
}
.source-tag { opacity: 0.6; }
.actions {
  display: flex; gap: 12px; justify-content: center; margin: 20px 0;
}
.share-row {
  display: flex; gap: 12px; justify-content: center; margin: 0 0 20px 0;
}
.btn-share {
  background: transparent; padding: 10px 20px; font-size: 0.85rem;
  font-family: var(--font); border-radius: 6px; cursor: pointer;
  transition: all .15s; border: 1px solid var(--border); color: var(--text);
}
.btn-x:hover { border-color: #1da1f2; color: #1da1f2; }
.btn-weibo:hover { border-color: #e6162d; color: #e6162d; }
.btn-secondary {
  background: transparent; color: var(--text); border: 1px solid var(--border);
  padding: 10px 24px; font-size: 0.9rem; font-family: var(--font);
  border-radius: 6px; cursor: pointer; transition: border-color .15s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.gallery-card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden; text-align: left;
  margin: 16px 0; box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.gallery-card .card-header { background: rgba(245,197,66,0.06); }
.gallery-card .card-label { color: var(--gold); }
.upgrade-section {
  margin: 32px 0; padding: 24px; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 12px; text-align: center;
}
.upgrade-section h2 { font-size: 1.3rem; margin-bottom: 8px; color: var(--gold); }
.upgrade-section p { color: var(--muted); font-size: 0.9rem; margin-bottom: 16px; }
.price-tag {
  display: inline-block; font-size: 1.5rem; font-weight: 700;
  color: var(--accent); margin-bottom: 16px;
}
.wallet-box {
  background: rgba(0,0,0,0.3); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px; margin-bottom: 8px;
}
.wallet-label { display: block; font-size: 0.75rem; color: var(--muted); margin-bottom: 6px; }
.wallet-addr {
  display: block; font-family: var(--mono); font-size: 0.8rem;
  color: var(--text); word-break: break-all; margin-bottom: 8px;
}
.btn-copy-wallet {
  background: var(--border); color: var(--text); border: none;
  padding: 6px 16px; font-size: 0.8rem; border-radius: 4px; cursor: pointer;
}
.btn-copy-wallet:hover { background: var(--accent); }
.payment-note { font-size: 0.75rem; color: var(--muted); }
.ftr { text-align: center; padding: 20px 0; color: var(--muted); font-size: 0.8rem; }