:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --light-bg: #ecf0f1;
    --dark-bg: #34495e;
    --white: #ffffff;
    --text-color: #333;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    background-color: var(--light-bg);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--box-shadow);
}

header h1 {
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

main {
    display: flex;
    flex-direction: column;
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 1rem;
    gap: 1.5rem;
}

/* Panel Principal de Controles - Parámetros y Uso del Suelo lado a lado */
.main-controls-panel {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
}

.controls-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.control-group {
    display: flex;
    flex-direction: column;
}

.control-group h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light-bg);
}

/* Parámetros Urbanísticos */
.parameters-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.parameter {
    background-color: var(--light-bg);
    padding: 1rem;
    border-radius: var(--border-radius);
    transition: transform 0.2s ease;
}

.parameter:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.parameter label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.parameter-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.parameter input[type="range"] {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(to right, var(--secondary-color) 0%, var(--light-bg) 0%);
    outline: none;
}

.parameter input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--secondary-color);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.parameter input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--secondary-color);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.value-display {
    min-width: 50px;
    text-align: center;
    font-weight: bold;
    color: var(--secondary-color);
    font-size: 1.1rem;
    background-color: var(--white);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.explanation {
    font-size: 0.8rem;
    color: var(--dark-bg);
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem;
    background-color: rgba(52, 152, 219, 0.1);
    border-radius: 4px;
}

.explanation i {
    color: var(--secondary-color);
}

/* Uso del Suelo */
.land-use-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.land-use-btn {
    padding: 1rem;
    border: 2px solid var(--light-bg);
    border-radius: var(--border-radius);
    background-color: var(--white);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.land-use-btn i {
    font-size: 1.5rem;
}

.land-use-btn span {
    font-size: 0.9rem;
}

.land-use-btn:hover {
    background-color: var(--secondary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    border-color: var(--secondary-color);
}

.land-use-btn.active {
    background-color: var(--secondary-color);
    color: var(--white);
    border-color: var(--secondary-color);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
}

.land-use-hint {
    background-color: rgba(52, 152, 219, 0.1);
    padding: 0.8rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--primary-color);
}

.land-use-hint i {
    color: var(--warning-color);
}

/* Panel Secundario - Mecanismos y Acciones (horizontal) */
.secondary-controls-panel {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.mechanisms-container,
.actions-container {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
}

.mechanisms-list {
    display: flex;
    gap: 2rem;
}

.mechanism {
    flex: 1;
    background-color: var(--light-bg);
    padding: 1rem;
    border-radius: var(--border-radius);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.mechanism-benefit,
.mechanism-value {
    display: block;
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.actions {
    display: flex;
    gap: 1rem;
}

.action-btn {
    flex: 1;
    padding: 0.8rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    color: var(--white);
}

.action-btn i {
    font-size: 1.2rem;
}

.action-btn span {
    font-size: 0.9rem;
}

#reset-btn {
    background-color: var(--accent-color);
}

#reset-btn:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#save-btn {
    background-color: var(--success-color);
}

#save-btn:hover {
    background-color: #27ae60;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#load-example-btn {
    background-color: var(--warning-color);
}

#load-example-btn:hover {
    background-color: #e67e22;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Panel de desarrollo */
.development-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.grid-container,
.model-3d-container {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
}

.grid-container h2,
.model-3d-container h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
    font-size: 1.2rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 12px;
    background-color: var(--dark-bg);
    border-radius: var(--border-radius);
    padding: 12px;
    height: 500px;
}

.block {
    background-color: var(--white);
    border-radius: 6px;
    padding: 5px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 2px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.lot {
    background-color: var(--light-bg);
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
}

.lot:hover {
    transform: scale(1.15);
    z-index: 10;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
}

.lot i {
    font-size: 0.8rem;
}

.lot.residencial {
    background-color: rgba(52, 152, 219, 0.3);
    border: 1px solid #3498db;
}

.lot.comercial {
    background-color: rgba(231, 76, 60, 0.3);
    border: 1px solid #e74c3c;
}

.lot.industrial {
    background-color: rgba(243, 156, 18, 0.3);
    border: 1px solid #f39c12;
}

.lot.equipamientos {
    background-color: rgba(155, 89, 182, 0.3);
    border: 1px solid #9b59b6;
}

.lot.espacio-publico {
    background-color: rgba(46, 204, 113, 0.3);
    border: 1px solid #2ecc71;
}

.lot.protegida {
    background-color: rgba(26, 188, 156, 0.3);
    border: 1px solid #1abc9c;
}

.lot-info {
    position: absolute;
    bottom: 1px;
    right: 1px;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 0.45rem;
    padding: 1px 2px;
    border-radius: 2px;
}

.grid-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
    padding: 0.8rem;
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.85rem;
    color: var(--text-color);
}

#model-3d {
    width: 100%;
    height: 470px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
}

.model-controls {
    display: flex;
    gap: 0.8rem;
    margin-top: 1rem;
}

.model-controls button {
    flex: 1;
    padding: 0.6rem 1rem;
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.model-controls button:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Panel de indicadores */
.indicators-panel {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
}

.indicators-panel h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
    font-size: 1.2rem;
}

.indicator-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.indicator-card {
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
    transition: transform 0.2s ease;
    position: relative;
}

.indicator-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.indicator-icon {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.indicator-card h3 {
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.info-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 1rem;
}

.info-btn:hover {
    color: var(--primary-color);
}

/* Modal para explicación del balance fiscal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 2rem;
    border-radius: var(--border-radius);
    width: 80%;
    max-width: 800px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: modalopen 0.4s;
}

@keyframes modalopen {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    color: var(--dark-bg);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 15px;
    top: 10px;
}

.close:hover,
.close:focus {
    color: var(--accent-color);
}

.modal-body h3 {
    color: var(--secondary-color);
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
}

.modal-body h4 {
    color: var(--primary-color);
    margin-top: 1.2rem;
    margin-bottom: 0.5rem;
}

.modal-body ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.modal-body li {
    margin-bottom: 0.5rem;
}

.modal-body p {
    margin-bottom: 1rem;
    text-align: justify;
}

footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
}

footer p {
    margin-bottom: 0.5rem;
}

footer p:last-child {
    margin-bottom: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}