body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    max-width: 1000px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1, h2, h3 {
    color: #0056b3; /* Azul oscuro */
    margin-bottom: 0.7em;
}
h1 {
    text-align: center;
    border-bottom: 2px solid #0056b3;
    padding-bottom: 10px;
}

.info-note {
    background-color: #e7f3fe;
    border-left: 6px solid #2196F3;
    padding: 10px;
    margin-bottom: 20px;
    font-size: 0.9em;
}

.options-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.option-card {
    background: #f9f9f9;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.option-card h2 {
    font-size: 1.2em;
    color: #007bff; /* Azul primario */
    margin-top: 0;
}

label {
    display: block;
    margin-top: 10px;
    margin-bottom: 5px;
    font-weight: bold;
    font-size: 0.9em;
}

input[type="number"], select {
    width: calc(100% - 12px);
    padding: 8px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.qualitative-info {
    font-size: 0.85em;
    color: #555;
    margin-top: 5px;
    padding: 8px;
    background-color: #efefef;
    border-radius: 3px;
}

.actions {
    text-align: center;
    margin-bottom: 30px;
    margin-top: 20px;
}

button {
    background-color: #007bff;
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    margin: 5px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}

button#resetButton {
    background-color: #6c757d; /* Gris */
}
button#resetButton:hover {
    background-color: #545b62;
}
button#downloadResultsButton {
    background-color: #28a745; /* Verde */
}
button#downloadResultsButton:hover {
    background-color: #1e7e34;
}


.results-section {
    margin-top: 20px;
    padding: 15px;
    background: #e9ecef;
    border-radius: 5px;
}

.results-section h2, .results-section h3 {
    color: #343a40; /* Gris oscuro */
}

#costSummary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.cost-summary-item {
    background: #fff;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    text-align: center;
}
.cost-summary-item h4 {
    margin-top: 0;
    color: #007bff;
}
.cost-summary-item p {
    font-size: 1.5em;
    font-weight: bold;
    color: #28a745; /* Verde */
}
.cost-summary-item p.highest-cost {
    color: #dc3545; /* Rojo */
}


#detailedAnalysis .analysis-item {
    background: #fff;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 5px;
    border-left: 4px solid #007bff;
}

#detailedAnalysis .analysis-item h4 {
    margin-top: 0;
    color: #007bff;
}

#detailedAnalysis ul {
    padding-left: 20px;
    list-style: disc;
}
#detailedAnalysis ul li {
    margin-bottom: 5px;
}

strong {
    color: #333;
}

#finalConsiderations ul li {
    margin-bottom: 8px;
}