/* =========================================
   ESTILOS UNIFICADOS PARA MÓDULOS DIDÁCTICOS
   (Aplicaciones de Semejanza & Simulador Ns)
========================================= */
:root {
    --mod-dark: #112A46;
    --mod-teal: #48B5B4;
    --mod-orange: #F39C12;
    --mod-bg: #F4F7F6;
    --mod-card: #FFFFFF;
}

.modulo-body {
    background-color: var(--mod-bg);
    color: var(--mod-dark);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.modulo-main {
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-grow: 1;
}

.modulo-main h1 {
    text-align: center;
    color: var(--mod-dark);
    margin-bottom: 30px;
    font-size: 28px;
    width: 100%;
}

/* --- ESTILOS: APLICACIONES DE SEMEJANZA --- */
.mod-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    max-width: 1000px;
    width: 100%;
}

.mod-card {
    background: var(--mod-card);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border-top: 5px solid var(--mod-teal);
    display: flex;
    flex-direction: column;
}

.mod-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.mod-icon-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: white;
    font-weight: bold;
    font-size: 20px;
}

.icon-teal { background-color: var(--mod-dark); }
.icon-green { background-color: var(--mod-teal); }
.icon-orange { background-color: var(--mod-orange); }
.icon-blue { background-color: #2980B9; }

.mod-card h2 { font-size: 18px; margin: 0; color: var(--mod-dark); }

.mod-description {
    font-size: 14px;
    color: #555;
    margin-bottom: 20px;
    min-height: 40px;
}

.mod-interactive-area {
    background: var(--mod-bg);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.mod-interactive-area input[type="range"],
.simulador-controls input[type="range"] {
    width: 100%;
    margin: 15px 0;
    accent-color: var(--mod-teal);
    cursor: pointer;
}

.mod-result-text { font-size: 16px; font-weight: bold; color: var(--mod-dark); margin-top: 10px; }
.mod-highlight { color: var(--mod-orange); font-size: 24px; }

.mod-svg-box {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

/* Animaciones Generales */
@keyframes spin { 100% { transform: rotate(360deg); } }
@keyframes shake { 
    0%, 100% { transform: translateX(0); }
    25%, 75% { transform: translateX(-3px); }
    50% { transform: translateX(3px); }
}
@keyframes rotateZ { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes rotateY { from { transform: rotateY(0deg); } to { transform: rotateY(360deg); } }

.rotating { animation: spin linear infinite; transform-origin: center; }
.shaking { animation: shake 0.3s linear infinite; }
.spin-z { transform-origin: 50px 50px; }
.spin-y { transform-origin: 50px 50px; }

/* --- ESTILOS: SIMULADOR NS --- */
.simulador-container {
    background-color: var(--mod-card);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    max-width: 800px;
    width: 100%;
    padding: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.simulador-formula {
    grid-column: 1 / -1;
    text-align: center;
    font-family: 'Courier New', Courier, monospace;
    background: var(--mod-dark);
    color: white;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.simulador-controls {
    background-color: var(--mod-bg);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #E0E0E0;
}

.sim-control-group { margin-bottom: 20px; }
.sim-control-group label {
    display: flex;
    justify-content: space-between;
    font-weight: bold;
    margin-bottom: 8px;
}

.simulador-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.sim-nq-box {
    background-color: #E8F4F4;
    border: 2px solid var(--mod-teal);
    border-radius: 8px;
    padding: 15px 30px;
    text-align: center;
    margin-bottom: 20px;
    width: 80%;
}

.sim-nq-value { font-size: 36px; font-weight: bold; color: var(--mod-dark); }
.sim-pump-type { font-size: 18px; font-weight: bold; text-align: center; min-height: 50px; color: var(--mod-orange); }

.sim-svg-container {
    width: 200px;
    height: 200px;
    margin: 20px auto;
    position: relative;
}

.sim-svg-container svg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: none;
}

.sim-scale-container {
    grid-column: 1 / -1;
    margin-top: 20px;
    padding: 20px 0;
    position: relative;
}

.sim-scale-line {
    height: 4px;
    background: linear-gradient(to right, var(--mod-dark), var(--mod-teal), var(--mod-orange));
    border-radius: 2px;
    position: relative;
}

.sim-scale-marker {
    position: absolute;
    top: -10px;
    width: 24px;
    height: 24px;
    background-color: var(--mod-card);
    border: 4px solid var(--mod-dark);
    border-radius: 50%;
    transform: translateX(-50%);
    transition: left 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.sim-scale-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 12px;
    font-weight: bold;
}

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