:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --success: #2ecc71;
    --warning: #f39c12;
    --info: #3498db;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #1a2a3a, #2c3e50);
    color: var(--light);
    min-height: 100vh;
    padding: 20px;
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    header,
    .card,
    .explicacion-section,
    .footer {
        padding: 15px !important;
    }

    .container {
        padding: 0 5px;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(to right, var(--secondary), var(--success));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.header-logo {    
    margin-bottom: 15px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.8;
}

.dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: 1fr;
    }
}

.card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-title {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.help-icon {
    background: transparent;
    width: auto;
    height: auto;
    border-radius: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: help;
    margin-left: 5px;
}

input,
select {
    width: 100%;
    padding: 12px 15px;
    border-radius: 10px;
    border: 2px solid rgb(44, 44, 44);
    background: rgb(230, 230, 230);
    color: rgba(0, 0, 0);
    font-size: 1rem;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--secondary);
}

.info-consumo {
    background: rgba(52, 152, 219, 0.2);
    padding: 15px;
    border-radius: 10px;
    margin: 15px 0;
    font-size: 0.95rem;
    border-left: 4px solid var(--info);
}

.info-consumo h4 {
    color: var(--info);
    margin-bottom: 8px;
}

.info-consumo ul {
    margin-left: 20px;
    margin-top: 8px;
}

.info-consumo li {
    margin-bottom: 5px;
}

.ejemplos-consumo {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

@media (max-width: 480px) {
    .ejemplos-consumo {
        grid-template-columns: repeat(2, 1fr);
    }
}

.ejemplo-item {
    background: rgba(46, 204, 113, 0.15);
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    font-size: 0.75rem;
}

.ejemplo-valor {
    font-weight: bold;
    color: var(--success);
    font-size: 1rem;
}

.btn-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .btn-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .btn-container {
        grid-template-columns: 1fr;
    }
}

button {
    padding: 12px 25px;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    flex: 1;
    min-width: 120px;
}

.btn-calculate {
    background: linear-gradient(to right, var(--success), #27ae60);
    color: white;
    grid-column: 1 / -1;
    padding: 16px 25px;
    /* Taller button */
    font-size: 1.1rem;
}

.btn-calculate:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.4);
}

.btn-demo {
    background: linear-gradient(to right, var(--warning), #d35400);
    color: white;
}

.btn-pdf {
    background: linear-gradient(to right, var(--info), #2980b9);
    color: white;
    grid-column: 1 / -1;
    width: 100%;
}

.btn-pdf:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
}

.btn-demo:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(243, 156, 18, 0.4);
}

.results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

@media (max-width: 480px) {
    .results {
        grid-template-columns: repeat(2, 1fr);
    }
}

.result-card {
    background: rgba(46, 204, 113, 0.15);
    border-radius: 15px;
    padding: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

.result-card:hover {
    transform: translateY(-5px);
}

.result-value {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 8px 0;
    color: var(--success);
}

.result-label {
    font-size: 0.8rem;
    opacity: 0.8;
}

.impacto-card {
    background: rgba(155, 89, 182, 0.15);
    border-radius: 15px;
    padding: 15px;
    text-align: center;
    transition: transform 0.3s ease;
    margin-top: 15px;
}

.impacto-value {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 8px 0;
    color: #9b59b6;
}

.impacto-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.impacto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
}

.eco-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 12px;
    text-align: center;
}

.eco-icon {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.eco-value {
    font-size: 1.2rem;
    font-weight: bold;
    color: white;
}

.eco-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

.roi-card {
    background: rgba(241, 196, 15, 0.15);
    border-radius: 15px;
    padding: 15px;
    margin-top: 15px;
    text-align: center;
}

.roi-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: #f39c12;
}

.charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

@media (max-width: 900px) {
    .charts {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .charts {
        gap: 15px;
    }

    .chart-container {
        height: 250px;
    }

    .card-title {
        font-size: 1.2rem;
    }
}

.chart-container {
    height: 300px;
    position: relative;
    width: 100%;
    min-width: 0;
}

.charts .card {
    min-width: 0;
}

.card.full-width {
    grid-column: 1 / -1;
}

.info-section {
    margin-top: 30px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    padding: 25px;
}

.info-section h3 {
    color: var(--secondary);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

@media (max-width: 600px) {
    .info-grid {
        grid-template-columns: 1fr;
    }
}

.info-item {
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 10px;
}

.info-item h4 {
    color: var(--warning);
    margin-bottom: 8px;
}

.metodologia-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 10px;
}

.metodologia-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 12px;
    border-radius: 8px;
    border-left: 3px solid var(--accent);
}

.metodologia-item strong {
    display: block;
    color: var(--accent);
    margin-bottom: 4px;
    font-size: 0.9rem;
}

.metodologia-item span {
    font-size: 0.85rem;
    opacity: 0.8;
}

.subvenciones-section {
    background: rgba(46, 204, 113, 0.05);
    padding: 15px;
    border-radius: 12px;
    margin: 20px 0;
    border: 1px dashed rgba(46, 204, 113, 0.3);
}

.section-subtitle {
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.btn-share {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-share:hover {
    background: var(--accent);
    color: white;
}

.critical-day-box {
    background: rgba(255, 255, 255, 0.03);
    padding: 15px;
    border-radius: 12px;
    margin-top: 20px;
}

.critical-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.critical-header h4 {
    margin: 0;
}

.critical-bar-container {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    margin-top: 10px;
    overflow: hidden;
}

.critical-bar {
    height: 100%;
    background: linear-gradient(90deg, #e74c3c, #f1c40f);
    transition: width 0.5s ease;
}

.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: opacity 0.3s ease;
}

.hidden {
    display: none;
}

.highlight {
    color: var(--success);
    font-weight: bold;
}

.solar-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--warning);
}

@media (max-width: 480px) {
    .solar-icon {
        font-size: 1.8rem;
    }
}

.explicacion-section {
    margin-top: 40px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    padding: 25px;
}

.explicacion-section h2 {
    color: var(--secondary);
    margin-bottom: 20px;
    font-size: 1.6rem;
    text-align: center;
}

.explicacion-content {
    line-height: 1.6;
    font-size: 1rem;
}

.explicacion-content p {
    margin-bottom: 12px;
}

.explicacion-content ul {
    margin-left: 20px;
    margin-bottom: 12px;
}

.explicacion-content li {
    margin-bottom: 6px;
}

.explicacion-highlight {
    background: rgba(52, 152, 219, 0.15);
    padding: 18px;
    border-radius: 10px;
    margin: 18px 0;
    border-left: 4px solid var(--secondary);
}

.explicacion-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.stat-box {
    background: rgba(46, 204, 113, 0.1);
    padding: 12px;
    border-radius: 10px;
    min-width: 150px;
    flex: 1;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--success);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.error-msg {
    background: rgba(231, 76, 60, 0.2);
    color: #e74c3c;
    padding: 12px;
    border-radius: 8px;
    margin: 10px 0;
    display: none;
}

.toggle-section {
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 10px;
    margin-top: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.toggle-section:hover {
    background: rgba(0, 0, 0, 0.3);
}

.region-hint {
    font-size: 0.9rem;
    opacity: 0.85;
    margin-bottom: 8px;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 5px;
}

.slider-container input[type="range"] {
    flex: 1;
}

/* Radio Group Styles */
.radio-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.radio-option {
    flex: 1;
    min-width: 200px;
    background: rgba(255, 255, 255, 0.05);
    padding: 12px 15px;
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.radio-option:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--secondary);
}

.radio-option input[type="radio"] {
    width: auto;
    margin: 0;
    cursor: pointer;
}

.radio-option input[type="radio"]:checked+span {
    color: var(--secondary);
    font-weight: 600;
}

.radio-option span {
    flex: 1;
}

/* Consumption Estimation Box */
.consumo-estimado-box {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.2), rgba(46, 204, 113, 0.2));
    border: 2px solid rgba(52, 152, 219, 0.3);
    border-radius: 12px;
    padding: 15px;
    margin-top: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.consumo-estimado-icon {
    font-size: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.consumo-estimado-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 4px;
}

.consumo-estimado-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--success);
}

/* Advanced Settings */
.advanced-settings {
    margin-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 15px;
}

.advanced-toggle {
    background: rgba(0, 0, 0, 0.2);
    padding: 12px 15px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.advanced-toggle:hover {
    background: rgba(0, 0, 0, 0.3);
}

.advanced-content {
    margin-top: 15px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 8px;
}

.advanced-item {
    margin-bottom: 15px;
}

.advanced-item:last-child {
    margin-bottom: 0;
}

.advanced-item label {
    font-size: 0.9rem;
}

.advanced-item input[type="number"] {
    margin-top: 5px;
}

/* Responsive adjustments */
@media (max-width: 600px) {
    .radio-group {
        flex-direction: column;
    }

    .radio-option {
        min-width: 100%;
    }

    .consumo-estimado-box {
        flex-direction: column;
        text-align: center;
    }
}

/* Footer Styles */
.footer {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 40px;
    padding: 30px 20px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--light);
}

.footer-brand a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.footer-brand a:hover {
    color: var(--success);
    text-decoration: underline;
}

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 10px;
}

.footer-links {
    font-size: 0.85rem;
    opacity: 0.7;
}

.footer-links a {
    color: var(--light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.footer-separator {
    margin: 0 10px;
    opacity: 0.5;
}

.footer-version {
    font-weight: 600;
    color: var(--warning);
}

/* Footer Logo */
.footer-logo-link {
    display: inline-block;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.footer-logo-link:hover {
    transform: scale(1.05);
}

.footer-logo {
    max-height: 60px;
    width: auto;
    display: block;
    margin: 0 auto;
}

/* New Button Styles */
.btn-reset {
    background: linear-gradient(to right, #e74c3c, #c0392b);
    color: white;
}

.btn-reset:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}

.btn-save {
    background: linear-gradient(to right, #9b59b6, #8e44ad);
    color: white;
}


.btn-save:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(155, 89, 182, 0.4);
}

.btn-load {
    background: linear-gradient(to right, #16a085, #1abc9c);
    color: white;
}

.btn-load:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(26, 188, 156, 0.4);
}

/* Updated Info Section Styles */
.metodo-explicacion {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 15px 0;
}

.metodo-opcion {
    background: rgba(52, 152, 219, 0.1);
    padding: 12px;
    border-radius: 8px;
    border-left: 3px solid var(--secondary);
}

.metodo-opcion strong {
    display: block;
    color: var(--secondary);
    margin-bottom: 6px;
    font-size: 0.95rem;
}

.metodo-opcion p {
    font-size: 0.85rem;
    margin: 4px 0;
    opacity: 0.9;
}

.ejemplo-metodo {
    color: var(--success);
    font-weight: 600;
    margin-top: 8px !important;
}

.ejemplo-euros {
    font-size: 0.75rem;
    color: var(--warning);
    margin-top: 2px;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .metodo-explicacion {
        grid-template-columns: 1fr;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .footer-separator {
        display: none;
    }
}

/* Custom Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    display: none;
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: linear-gradient(135deg, #2c3e50, #1a2a3a);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    max-width: 400px;
    width: 90%;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: modalSlideIn 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px) scale(0.9);
        opacity: 0;
    }

    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.modal-content h3 {
    color: var(--warning);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.modal-content p {
    color: var(--light);
    margin-bottom: 25px;
    line-height: 1.5;
    opacity: 0.9;
}

.modal-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn-confirm {
    background: linear-gradient(to right, #e74c3c, #c0392b);
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    flex: 1;
}

.btn-confirm:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}

.btn-cancel {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    flex: 1;
}

.btn-cancel:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Estilos para el Formulario de Contacto */
.row-container {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

.row-container>.card {
    flex: 1;
    min-width: 300px;
}

@media (max-width: 768px) {
    .row-container {
        flex-direction: column;
    }

    .row-container>.card {
        width: 100%;
    }
}

.contact-section {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.contact-form .input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.contact-form .input-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #e0e0e0;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.2);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.contact-form input:focus {
    outline: none;
    border-color: var(--success);
    box-shadow: 0 0 8px rgba(46, 204, 113, 0.3);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.checkbox-label {
    display: flex !important;
    align-items: flex-start;
    gap: 8px;
    cursor: pointer;
    font-size: 0.85rem !important;
}

.checkbox-label input {
    margin-top: 3px;
    width: 16px;
    height: 16px;
}

.checkbox-label a {
    color: var(--secondary);
    text-decoration: underline;
}

.form-response {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-size: 0.95rem;
}

.form-response.success {
    background: rgba(46, 204, 113, 0.2);
    border: 1px solid var(--success);
    color: #81c784;
}

.form-response.error {
    background: rgba(231, 76, 60, 0.2);
    border: 1px solid #e74c3c;
    color: #e57373;
}

@media (max-width: 768px) {
    .contact-form .input-row {
        grid-template-columns: 1fr;
    }
}