/* ============================================================
   practicas.css — Estilos compartidos para páginas de prácticas
   Módulo: Sistemas Eléctricos en Centrales
   ============================================================ */

body {
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 900px;
    margin: 40px auto;
    padding: 20px;
    background-color: #f0f2f5;
}

.lab-card {
    background-color: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-left: 8px solid var(--accent, #3498db);
}

h1 {
    color: #2c3e50;
    text-align: center;
    border-bottom: 2px solid #eee;
    padding-bottom: 15px;
}

h2 {
    color: var(--accent, #2980b9);
    margin-top: 30px;
    border-left: 4px solid var(--accent, #2980b9);
    padding-left: 15px;
}

.instruction {
    background-color: #e8f4fd;
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
    border: 1px solid #3498db;
}

.challenge {
    background-color: #fff9db;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #f1c40f;
    margin: 20px 0;
}

.delivery-section {
    background-color: #fdf2f2;
    padding: 20px;
    border-radius: 8px;
    border: 2px solid #e74c3c;
    margin-top: 30px;
}

.step-num {
    background: var(--accent, #2980b9);
    color: white;
    border-radius: 50%;
    width: 25px;
    height: 25px;
    display: inline-block;
    text-align: center;
    line-height: 25px;
    margin-right: 10px;
    font-weight: bold;
}

.footer {
    text-align: center;
    margin-top: 30px;
    color: #7f8c8d;
    font-size: 0.9em;
}