:root {
  --cream: #faf6ef;
  --ink: #3a2f28;
  --muted: #8a7a6b;
  --accent: #c2703d;
  --accent-dark: #a5572a;
  --card: #ffffff;
  --line: #eadfd2;
  --green: #5a7d4f;
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--cream);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}
.site-header {
  background: linear-gradient(135deg, #e8935a, #c2703d);
  color: #fff;
  padding: 1.4rem 1rem 1.2rem;
}
.header-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.site-header h1 { margin: 0; font-size: 1.5rem; letter-spacing: -0.01em; }
.tagline { margin: 0.25rem 0 0; font-size: 0.9rem; opacity: 0.92; }
.wrap { max-width: 720px; margin: 0 auto; padding: 1rem; }
.filters {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 0.4rem;
}
.filters select {
  flex: 1 1 150px;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font-size: 0.95rem;
  color: var(--ink);
}
.status-tabs { display: flex; gap: 0.4rem; }
.status-tabs button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  font-size: 0.85rem;
  cursor: pointer;
}
.status-tabs button.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.count-line { color: var(--muted); font-size: 0.85rem; margin: 0.6rem 0; }
.shelf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.8rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  background: #eee;
}
.card-body { padding: 0.7rem 0.75rem 0.8rem; display: flex; flex-direction: column; gap: 0.4rem; flex: 1; }
.card-title { margin: 0; font-size: 0.95rem; line-height: 1.3; }
.card-meta { display: flex; gap: 0.35rem; flex-wrap: wrap; align-items: center; }
.tag {
  font-size: 0.72rem;
  background: #f3e9db;
  color: #7a5a3a;
  border-radius: 999px;
  padding: 0.18rem 0.55rem;
  white-space: nowrap;
}
.owner { font-size: 0.78rem; color: var(--muted); }
.status {
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.18rem 0.55rem;
  white-space: nowrap;
}
.status.available { background: #e3efe0; color: var(--green); }
.status.claimed { background: #f3e2d3; color: var(--accent-dark); }
.claimed-by { font-size: 0.8rem; color: var(--accent-dark); }
.card-desc { font-size: 0.82rem; color: var(--muted); margin: 0; line-height: 1.4; }
.card-actions { margin-top: auto; padding-top: 0.4rem; display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary:active { background: var(--accent-dark); }
.btn-block { width: 100%; margin-top: 0.4rem; }
.btn-ghost {
  background: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  color: var(--ink);
  cursor: pointer;
  width: 100%;
}
.btn-ghost:active { background: #f3ece1; }
.btn-link {
  background: none;
  border: none;
  padding: 0.4rem 0 0;
  font-size: 0.75rem;
  color: var(--muted);
  cursor: pointer;
  text-decoration: underline;
}
.share-hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 1rem;
}
.share-hint .btn-link { font-size: 0.85rem; padding: 0; }
.btn-link.danger { color: #b3261e; }
.landing { max-width: 34rem; }
.landing h2 { font-size: 1.6rem; margin: 1.5rem 0 0.5rem; }
.lede { color: var(--muted); line-height: 1.6; }
.create-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-top: 1.5rem;
}
.create-card h3 { margin-top: 0; }
.empty-state { text-align: center; color: var(--muted); padding: 2rem 1rem; }
/* Modal */
.modal {
  position: fixed; inset: 0;
  background: rgba(58, 47, 40, 0.55);
  display: flex; align-items: flex-end; justify-content: center;
  z-index: 50;
}
.modal[hidden] { display: none; }
.modal-card {
  background: #fff;
  width: 100%; max-width: 520px;
  max-height: 92vh; overflow-y: auto;
  border-radius: 18px 18px 0 0;
  padding: 1.4rem 1.2rem calc(1.4rem + env(safe-area-inset-bottom));
  position: relative;
}
@media (min-width: 560px) {
  .modal { align-items: center; padding: 1rem; }
  .modal-card { border-radius: 18px; }
}
.modal-close {
  position: absolute; top: 0.7rem; right: 0.9rem;
  background: none; border: none; font-size: 1.8rem; color: var(--muted); cursor: pointer;
}
.modal-card h2 { margin: 0 0 1rem; font-size: 1.25rem; }
.modal-card label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.8rem; }
.modal-card input[type="text"],
.modal-card textarea,
.modal-card select {
  display: block; width: 100%; margin-top: 0.3rem;
  padding: 0.65rem 0.7rem;
  border: 1px solid var(--line); border-radius: 10px;
  font-size: 0.95rem; font-family: inherit; color: var(--ink);
  background: #fffdf9;
}
.modal-card input[type="file"] { display: block; margin-top: 0.3rem; font-size: 0.9rem; }
.hint { font-size: 0.78rem; color: var(--muted); margin: 0.2rem 0 0.6rem; }
.error { color: #b3402e; font-size: 0.85rem; }
.site-footer { text-align: center; color: var(--muted); font-size: 0.82rem; padding: 1.5rem 1rem 2.5rem; max-width: 720px; margin: 0 auto; }