* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', sans-serif; background: #f4f6f8; color: #222; }

.navbar {
    background: #1ba0d7;
    color: white;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.navbar h1 { font-size: 1.5rem; }
.search-form { flex: 1; display: flex; gap: 0.5rem; }
.search-form input {
    flex: 1; padding: 0.6rem 1rem; border: none;
    border-radius: 4px; font-size: 1rem;
}
.search-form button {
    padding: 0.6rem 1.5rem; background: #0d5c8a; color: white;
    border: none; border-radius: 4px; cursor: pointer;
}
.navbar nav a { color: white; text-decoration: none; margin-left: 1rem; }

.container { max-width: 1200px; margin: 2rem auto; padding: 0 2rem; }
.container h2 { margin-bottom: 1.5rem; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}
.card {
    background: white; border-radius: 8px; padding: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    display: flex; flex-direction: column;
}
.card img { width: 100%; border-radius: 4px; margin-bottom: 0.75rem; }
.card h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.card .cat { font-size: 0.8rem; color: #888; text-transform: uppercase; }
.card .precio { font-size: 1.3rem; color: #1ba0d7; font-weight: bold; margin: 0.5rem 0; }
.card .stock { font-size: 0.85rem; color: #666; margin-bottom: 0.75rem; }
.card button {
    margin-top: auto; padding: 0.6rem; background: #1ba0d7;
    color: white; border: none; border-radius: 4px; cursor: pointer;
}
.card button:hover { background: #0d5c8a; }
.empty { background: white; padding: 2rem; text-align: center; border-radius: 8px; }