/* =====================================================
   PLF · UNIDAD 1 · TEMA 1.1
   Diferentes estilos de programación
===================================================== */

.plf11-titulo-selector {
    margin: 1.35rem 0 0.7rem;
    color: #a5f3fc;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.plf11-selector {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.35rem;
}

.plf11-selector button {
    min-height: 68px;
    padding: 0.85rem;
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.78);
    color: #dbeafe;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    transition:
        transform 0.2s ease,
        background 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.plf11-selector button:hover {
    transform: translateY(-2px);
    border-color: #38bdf8;
}

.plf11-selector button.activo {
    border-color: #a7f3d0;
    background: linear-gradient(135deg, #22d3ee, #34d399);
    color: #03131b;
    box-shadow:
        0 0 0 3px rgba(34, 211, 238, 0.3),
        0 10px 24px rgba(6, 182, 212, 0.24);
    transform: translateY(-2px);
}

.plf11-paneles {
    display: grid;
    grid-template-columns:
        minmax(0, 0.9fr)
        minmax(0, 1.1fr);
    gap: 1rem;
}

.plf11-panel {
    padding: 1.25rem;
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 18px;
    background: rgba(15, 23, 42, 0.7);
}

.plf11-panel h2,
.plf11-panel h3 {
    margin-top: 0;
}

.plf11-dato {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.14);
}

.plf11-dato:last-child {
    border-bottom: 0;
}

.plf11-dato span {
    display: block;
    margin-bottom: 0.3rem;
    color: #67e8f9;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.plf11-codigo {
    min-height: 220px;
    padding: 1rem;
    overflow-x: auto;
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 14px;
    background: #050b14;
    color: #bbf7d0;
    white-space: pre-wrap;
}

.plf11-salida {
    min-height: 78px;
    margin: 1rem 0;
    padding: 1rem;
    border-left: 4px solid #38bdf8;
    border-radius: 0 12px 12px 0;
    background: rgba(8, 47, 73, 0.5);
}

.plf11-nota {
    margin-top: 1.25rem;
    padding: 1rem;
    border-left: 4px solid #8b5cf6;
    border-radius: 0 12px 12px 0;
    background: rgba(76, 29, 149, 0.2);
}

.plf11-boton-abrir {
    width: 100%;
    margin-top: 1rem;
}

@media (max-width: 850px) {
    .plf11-selector {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .plf11-paneles {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .plf11-selector {
        grid-template-columns: 1fr;
    }
}