* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva;
  background: #e0c7c7;
  color: #333;
  line-height: 1.6;
}

header {
  background: #bb97eb;
  color: white;
  padding: 1rem 0;
  text-align: center;
}

nav {
  background: #dd4dc5;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
}

nav li {
  margin: 0 .5rem;
}

nav a {
  display: block;
  padding: .75rem 1.25rem;
  color: white;
  text-decoration: none;
  transition: background .3s;
}

nav a:hover {
  background: #575757;
}

.container {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.pet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.pet-card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pet-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.image-container {
  position: relative;
  width: 100%;
  height: 200px;
}

.placeholder-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(128, 128, 128, 0.7);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
  letter-spacing: 2px;
}

.pet-card .info {
  padding: 1rem;
  flex: 1;
}

.card-footer {
  padding: 0.5rem 1rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-footer .credits {
  font-size: 0.8rem;
  color: #666;
  text-align: right;
  margin: 0;
  font-style: italic;
}

.pet-card h3 {
  margin-bottom: .5rem;
}

.pet-card p {
  font-size: .9rem;
  margin-bottom: 1rem;
}

.pet-card button {
  padding: .6rem;
  border: none;
  width: 100%;
  font-size: 1rem;
  cursor: pointer;
  background: #4CAF50;
  color: white;
  transition: background .2s;
  border-top: 1px solid #e5e5e5;
}

.pet-card button:disabled {
  background: #888;
  cursor: not-allowed;
}

.pet-card button:hover:not(:disabled) {
  background: #45a049;
}

footer {
  text-align: center;
  padding: 1rem 0;
  background: #dd4dc5;
  color: white;
  margin-top: 3rem;
  font-size: .9rem;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  background-color: white;
  margin: 5% auto;
  padding: 0;
  border-radius: 10px;
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  position: absolute;
  right: 20px;
  top: 15px;
  z-index: 1001;
  cursor: pointer;
}

.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
}

.modal-body {
  display: flex;
  flex-direction: column;
}

.modal-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  border-radius: 10px 10px 0 0;
}

.modal-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-info {
  padding: 20px;
}

.modal-info h2 {
  margin-bottom: 15px;
  color: #333;
}

.modal-info p {
  margin-bottom: 10px;
  line-height: 1.5;
}

.modal-info strong {
  color: #555;
}

.adopt-btn {
  width: 100%;
  padding: 12px;
  background: #4CAF50;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  margin-top: 15px;
  transition: background 0.3s;
}

.adopt-btn:hover:not(:disabled) {
  background: #45a049;
}

.adopt-btn:disabled {
  background: #888;
  cursor: not-allowed;
}

@media (min-width: 768px) {
  .modal-body {
    flex-direction: row;
  }
  
  .modal-image {
    width: 50%;
    height: 300px;
    border-radius: 10px 0 0 10px;
  }
  
  .modal-info {
    width: 50%;
    padding: 30px;
  }
}