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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    background: #f5f5f5;
    padding: 15px;
    color: #333;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 24px;
}

h3 {
    color: #34495e;
    margin: 20px 0 10px;
    font-size: 16px;
    border-bottom: 2px solid #3498db;
    padding-bottom: 5px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 14px;
    color: #555;
}

input[type="text"],
input[type="tel"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 2px dashed #ddd;
    border-radius: 5px;
    background: #fafafa;
    cursor: pointer;
}

input[type="file"]:hover {
    border-color: #3498db;
    background: #f0f8ff;
}

button {
    width: 100%;
    padding: 15px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
}

button:hover {
    background: #2980b9;
}

button:active {
    transform: scale(0.98);
}

.btn-secondary {
    background: #95a5a6;
    text-decoration: none;
    display: block;
    text-align: center;
    padding: 12px;
    color: white;
    border-radius: 5px;
    margin-top: 10px;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.bitacora-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    background: white;
}

.bitacora-card h3 {
    margin-top: 0;
    border: none;
    color: #2c3e50;
}

.bitacora-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 10px 0;
    font-size: 14px;
}

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

.fotos-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 15px;
}

.foto-thumbnail {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 5px;
    border: 1px solid #ddd;
    cursor: pointer;
}

.foto-thumbnail:hover {
    opacity: 0.8;
}

@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    h1 {
        font-size: 20px;
    }
    
    .bitacora-info {
        grid-template-columns: 1fr;
    }
}