body{background:#151515;color:#fff;font-family:Segoe UI,Arial,sans-serif;margin:0;min-height:100vh}.landing-container{max-width:500px;margin:2rem auto;text-align:center}.hero-img{width:100%;max-width:380px;border-radius:24px;margin:1rem auto}.mini-img{width:200px;border-radius:1rem;margin-top:1.5rem}.cta-btn{background:#4f9d69;color:#fff;padding:12px 32px;border-radius:30px;text-decoration:none;font-size:1.2em}.cta-btn.secondary{background:#fff;color:#333}.navbar{display:flex;justify-content:space-between;background:#181818;padding:12px 30px}.logo{font-weight:700;color:#fff;font-size:1.4em;text-decoration:none}.login-container,.register-container{max-width:340px;margin:3rem auto;background:#222;padding:2rem;border-radius:1.5rem}.card{background:#1f1f1f;border-radius:16px;padding:20px}.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.grid label{display:flex;flex-direction:column;gap:6px}.row{display:flex;gap:10px;align-items:center}.btn{background:#2c2c2c;color:#fff;border:none;padding:8px 14px;border-radius:10px;cursor:pointer}.btn.primary{background:#4f9d69}.btn.danger{background:#b6463a}.grid-cards{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));margin-top:12px}.pet-card{background:#1f1f1f;border-radius:16px;padding:12px}.pet-card img{width:100%;height:160px;object-fit:cover;border-radius:12px}.history-list{max-height:150px;overflow:auto;background:#222;padding:8px;border-radius:8px;margin-bottom:8px}.history-item{border-bottom:1px solid #2a2a2a;padding:6px 0}.history-item:last-child{border-bottom:none}input{width:90%;padding:.7em;margin:.7em 0;border-radius:6px;border:none}button{background:#4f9d69;color:#fff;border:none;padding:10px 30px;border-radius:30px;font-size:1em;cursor:pointer}ul{list-style:none;padding:0}:root{color-scheme:dark}body{background:#0c0c0c;color:#ddd;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:#8ab4ff}input,select,textarea,button{background:#161616;color:#eee;border:1px solid #333;border-radius:8px;padding:10px}button{cursor:pointer}