/* Estilos generales */
:root {
    --primary-color: #005f73;
    --secondary-color: #28a745; /* Verde */
    --download-btn-color: #17a2b8; /* Azul verdoso para descargar */
    --download-btn-hover: #138496;
    --light-bg: #f8f9fa;
    --light-border: #dee2e6;
    --text-color: #343a40;
    --success-color: #155724;
    --success-bg: #d4edda;
    --warning-color: #856404;
    --warning-bg: #fff3cd;
    --danger-color: #dc3545;
    --calc-detail-bg: #f8f9fa;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6; margin: 0; padding: 0;
    background-color: var(--light-bg); color: var(--text-color);
}

/* Added container styles */
.container {
    max-width: 900px; /* Adjust max-width as needed */
    margin: 0 auto;
    padding: 0 1rem; /* Add some horizontal padding */
}

/* Updated header styles */
/* Updated header styles - Centered text */
.tool-header {
    background-color: var(--primary-color);
    color: white;
    padding: 1.5rem 1rem; /* Increased padding slightly */
    margin-bottom: 2rem;
    text-align: center; /* Center align the h1/h2 */
    border-radius: 6px 6px 0 0;
}
/* Modern styles for the back button */
/* Styles for the back button in its new location (moved outside header) */
.header-back-button {
    /* position: absolute; Removed */
    /* top: 0; Removed */
    /* left: 0; Removed */
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem; /* Slightly smaller padding */
    color: white; /* Use primary color for text */
    background-color: #d32626; /* Light grey background */
    border: 1px solid var(--light-border); /* Subtle border */
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9em;
    transition: background-color 0.2s ease, border-color 0.2s ease;
    margin-bottom: 1.5rem; /* Add space below the button */
}
.header-back-button i {
    font-size: 1.1em;
    color: white;
}
.header-back-button:hover {
    background-color: #dee2e6; /* Darker grey on hover */
    border-color: #adb5bd;
    color: var(--primary-color);
}
/* Remove .header-titles rule as the div was removed */
/* Adjust title styles */
/* Adjust header title margins if needed for centering */
.tool-header h1 {
    margin: 0 auto; /* Center if text-align isn't enough */
    font-size: 1.8em;
    color: white;
    font-weight: 600;
}
.tool-header h2 {
    margin: 0.1em auto 0 auto; /* Center subtitle */
    font-size: 1em;
    color: white;
    opacity: 0.85;
    font-weight: 300;
}

/* Adjust main section margin as header margin changed */
main {
    /* max-width: 800px; */ /* Controlled by container now */
    /* margin: 2rem auto; */ /* Controlled by container now */
    padding: 1.5rem 2.5rem;
    background-color: #fff; box-shadow: 0 5px 15px rgba(0,0,0,0.1); /* Slightly adjusted shadow */
    border-radius: 0 0 8px 8px; /* Match header top corners if rounded */
    margin-bottom: 2rem;
}

section { margin-bottom: 2.5rem; padding-bottom: 0; }
section h2 { /* Título "Resultados" */
    color: var(--primary-color); border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem; margin-top: 0; margin-bottom: 1.5rem;
    font-size: 1.8em; text-align: center;
}
/* Removed .input-section-header styles */

/* Styles for the input section h3 (now direct child) */
#input-section h3 {
     color: var(--primary-color);
     margin-bottom: 1.5rem; /* Space below title */
     font-size: 1.5em;
     font-weight: 500;
     text-align: center; /* Center the title */
}
section h4 { /* Título del Resumen */
     color: var(--secondary-color); margin-top: 0; margin-bottom: 0.8rem;
     font-size: 1.2em; border-bottom: 1px dashed var(--secondary-color);
     padding-bottom: 0.3rem;
}

/* Formularios y Entradas */
#calc-form {
    border: 1px solid var(--light-border); padding: 1.5rem 2rem;
    border-radius: 6px; background-color: #fdfdfd; margin-bottom: 2rem;
}
.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 18px 25px; margin-bottom: 1.5rem;
}
.input-group { display: flex; flex-direction: column; }
.input-group.full-width { grid-column: 1 / -1; }
.input-group label { margin-bottom: 5px; font-weight: bold; font-size: 0.85em; color: var(--text-color); }
label.inline-label { margin: 0 0 0 3px; font-weight: normal; font-size: 0.85em; white-space: nowrap; align-self: center; margin-right: 10px; }
.age-inputs-flex { display: flex; align-items: center; flex-wrap: nowrap; gap: 3px; margin-top: 3px; }
.input-small { width: 55px !important; flex: 0 1 55px !important; text-align: right; padding: 8px 5px !important; font-size: 0.9em !important; }
.input-group input[type=number], .input-group select { padding: 8px; border: 1px solid #ced4da; border-radius: 4px; font-size: 0.95em; box-sizing: border-box; width: 100%; }
.input-group select { width: 100%; }
.input-group input:focus, .input-group select:focus { border-color: #80bdff; outline: 0; box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); }
.input-group small { font-size: 0.75em; color: #6c757d; margin-top: 3px; }

#calculate-button {
    padding: 12px 25px; font-size: 1.1em; font-weight: bold; color: #fff; background-color: var(--secondary-color);
    border: none; border-radius: 5px; cursor: pointer; transition: background-color 0.2s ease-in-out;
    margin-top: 15px; display: block; width: 100%;
}
#calculate-button:hover { background-color: #218838; }

/* Botón Descargar */
#download-button {
    display: block; margin: 0 auto 1.5rem auto; padding: 8px 18px; font-size: 0.95em;
    background-color: var(--download-btn-color); color: white; border: none;
    border-radius: 4px; cursor: pointer; transition: background-color 0.2s ease-in-out;
}
#download-button:disabled { background-color: #adb5bd; cursor: not-allowed; }
#download-button:hover:not(:disabled) { background-color: var(--download-btn-hover); }

/* Área de Resultados */
#results-section { margin-top: 2rem; padding: 1.5rem; background-color: #ffffff; border: 1px solid var(--light-border); border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); }
#results-summary { background-color: #e9ecef; padding: 0.8rem 1.2rem; border-radius: 4px; margin-bottom: 1rem; font-size: 0.95em; }
#results-summary h4 { margin-top: 0; margin-bottom: 0.5rem; color: var(--primary-color); border: none; }
hr.results-divider { border: 0; height: 1px; background-color: #e9ecef; margin: 1.5rem 0; }
hr.results-divider.thick { border: 0; height: 2px; background-color: var(--primary-color); margin: 1.5rem 0; opacity: 0.5; }

/* Estilos resultados Incrementos */
#inc-results-content .step-container { margin-bottom: 1.8rem; padding-bottom: 1.2rem; border-bottom: 1px dashed var(--light-border); }
#inc-results-content .step-container:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
#inc-results-content .step-title { font-size: 1.2em; font-weight: bold; color: var(--primary-color); margin-top: 0; margin-bottom: 1rem; padding-bottom: 4px; border-bottom: 1px solid #cfe2ff; }
#inc-results-content .sub-header { font-size: 1.05em; font-weight: bold; color: #444; margin-top: 1rem; margin-bottom: 0.6rem; }
#inc-results-content .calc-steps { font-family: 'Courier New', Courier, monospace; font-size: 0.9em; color: #555; background-color: var(--calc-detail-bg); padding: 12px 15px; border-radius: 4px; border: 1px solid #eee; margin-bottom: 10px; line-height: 1.6; white-space: pre-wrap; }
#inc-results-content .final-calc-line { font-weight: bold; margin-top: 0.8rem; font-size: 1.05em; color: var(--secondary-color); }
#inc-results-content p { margin: 0.6rem 0; font-size: 1em; line-height: 1.6; }
#inc-results-content p.final-index-result { margin: 1rem 0 0.5rem 0; font-size: 1.05em; line-height: 1.7; padding: 5px 0; border: none; background: none; }
#inc-results-content span.value { font-weight: bold; font-family: monospace; font-size: 1.1em; color: var(--text-color); }
#inc-results-content span.unit { font-size: 0.9em; color: #555; margin-left: 3px; }
#inc-results-content .indicator-label { display: inline-block; min-width: 200px; font-weight: bold; }
#inc-results-content .value-perc { display: inline-block; min-width: 55px; text-align: right; font-weight: bold; font-family: monospace; font-size: 1.1em; }
#inc-results-content .diagnosis { font-weight: bold; color: var(--success-color); background-color: var(--success-bg); padding: 3px 8px; border-radius: 4px; border: 1px solid #c3e6cb; display: inline-block; margin-left: 10px; font-size: 0.95em; }
.warning { color: var(--warning-color); background-color: var(--warning-bg); border: 1px solid #ffeeba; padding: 0.75rem 1.25rem; border-radius: 0.25rem; margin: 1rem 0; font-size: 0.9em; }
.error { color: var(--danger-color); font-weight: bold; background-color: #f8d7da; padding: 0.75rem; border: 1px solid #f5c6cb; border-radius: 4px; margin-top: 1rem; font-size: 0.95em; }
#inc-results-content small { font-size: 0.85em; color: #6c757d; display: block; margin-top: 0.5rem;}

/* Footer */
/* Adjust footer styles */
footer {
    text-align: center;
    margin-top: 2rem; /* Adjusted margin */
    padding: 1.5rem 0; /* Adjusted padding */
    font-size: 0.9em;
    color: #6c757d;
    border-top: 1px solid var(--light-border); /* Use variable */
    background-color: transparent; /* Remove background */
}
footer p { margin: 0.4rem 0; }

/* --- Estilos para la generación de PDF --- */
.report-only { display: none; } /* Oculto en pantalla normal */
.no-print, .no-pdf { /* Clase para ocultar elementos (aunque se usa más la clase temporal) */ }

body.generating-pdf { padding: 0; margin: 0; font-size: 10pt; color: #000; background-color: #fff;}
#pdf-content-area.generating-pdf {
    position: relative; padding: 18mm 15mm 18mm 15mm; /* Márgenes PDF: T R B L */
    border: none !important; box-shadow: none !important; margin: 0 !important;
    width: 210mm; box-sizing: border-box;
}
.generating-pdf .no-pdf { display: none !important; }
.generating-pdf #report-header { display: block !important; text-align: center; margin-bottom: 12mm; border-bottom: 1px solid #ccc; padding-bottom: 5mm; }
.generating-pdf #report-header h1 { font-size: 16pt; color: var(--primary-color); margin: 0; font-weight: bold;}
.generating-pdf #report-header p { font-size: 9pt; color: #555; margin-top: 5px; }
.generating-pdf #results-title { display: block; font-size: 14pt; text-align: center; margin-bottom: 10mm; color: var(--primary-color); border: none;}
.generating-pdf #results-summary { font-size: 9.5pt; background-color: #f0f0f0 !important; border: 1px solid #ddd !important; padding: 3mm 5mm; margin-bottom: 8mm; }
.generating-pdf #results-summary h4 { font-size: 10pt; border: none; margin-bottom: 4px;}
.generating-pdf hr.results-divider { display: block; height: 1px; background-color: #ccc !important; margin: 8mm 0; opacity: 1; }
.generating-pdf #inc-warning { border: 1px dashed #aaa !important; background-color: #f9f9f9 !important; color: #333 !important; font-size: 8pt; margin: 8mm 0; padding: 3mm 5mm; }
.generating-pdf #inc-results-content .step-container { margin-bottom: 8mm; padding-bottom: 5mm; border-bottom: 1px dashed #ccc; }
.generating-pdf #inc-results-content .step-container:last-child { border-bottom: none; }
.generating-pdf #inc-results-content .step-title { font-size: 11pt; color: #000 !important; border-bottom: 1px solid #ddd; margin-top: 0; margin-bottom: 5mm; }
.generating-pdf #inc-results-content .sub-header { font-size: 10pt; color: #333 !important; margin-top: 5mm; }
.generating-pdf #inc-results-content .calc-steps { font-size: 8.5pt; background-color: #fff !important; border: none !important; padding: 0 0 0 5mm; margin-bottom: 3mm; font-family: monospace !important; line-height: 1.5; }
.generating-pdf #inc-results-content .final-calc-line { font-size: 10pt; color: #000 !important; border-top: 1px solid #eee; padding-top: 2mm; }
.generating-pdf #inc-results-content p { font-size: 9.5pt; margin: 2mm 0; }
.generating-pdf #inc-results-content p.final-index-result { font-size: 10pt; background: none !important; border: none !important; padding: 2mm 0;}
.generating-pdf #inc-results-content span.value { font-size: 10pt; }
.generating-pdf #inc-results-content span.unit { font-size: 8.5pt; }
.generating-pdf #inc-results-content .indicator-label { min-width: 150px;}
.generating-pdf #inc-results-content .value-perc { font-size: 10pt;}
.generating-pdf #inc-results-content .diagnosis { border: 1px solid #aaa !important; background-color: #eee !important; color: #000 !important; -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; padding: 1mm 2mm; font-size: 9pt; margin-left: 5mm; }
.generating-pdf #inc-results-content small { display: block; font-size: 7.5pt; margin-top: 5mm; }
/* Footer para PDF - Al final del contenido, sin fijar */
.generating-pdf .pdf-footer {
    display: none !important; /* Oculta el párrafo footer del HTML */
     text-align: center; font-size: 8pt; color: #666;
     border-top: 1px solid #ccc; padding-top: 2mm; width: 100%;
     
     /* position: static; */ /* Asegurar que no sea fixed */
}
/* --- FIN Estilos PDF --- */