:root{
  --bg:#f7f9fc;
  --card:#ffffff;
  --muted:#6b7280;
  --accent:#ff7a7a;
  --shadow: 0 6px 18px rgba(20,20,40,0.08);
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, Arial;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:#111;min-height:100vh}
.header{padding:28px 20px;text-align:center}
.header h1{margin:0;font-size:28px}
.subtitle{margin:6px 0 0;color:var(--muted)}

.container{max-width:1100px;margin:20px auto;padding:0 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}

.card{background:var(--card);border-radius:12px;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.pet-img{width:100%;height:160px;object-fit:cover;background:#eee}
.card-body{padding:12px 14px}
.pet-name{margin:0 0 6px;font-size:18px}
.pet-type,.pet-age{margin:0;color:var(--muted);font-size:13px}
.btn{display:inline-block;margin-top:10px;padding:8px 12px;border-radius:10px;border:0;background:var(--accent);color:white;cursor:pointer}

.modal{position:fixed;inset:0;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;padding:20px}
.hidden{display:none}
.modal-card{background:var(--card);border-radius:12px;padding:20px;max-width:520px;width:100%;position:relative;box-shadow:var(--shadow)}
.modal-close{position:absolute;right:12px;top:12px;border:0;background:none;font-size:22px;cursor:pointer}
.modal img{width:100%;height:220px;object-fit:cover;border-radius:10px;margin-bottom:12px}