/* Tunnel (chantier 541) : contraste des cartes de choix (RAM, système)
   et des périodes de facturation. Chargé après basket.css, qui reste la copie du panel.
   Couleurs du panel : gray-800 #1f2937, gray-600 #4b5563, gray-500 #6b7280, red-400 #f87171. */

.tunnel-choice {
    position: relative;
    background: #1f2937;
    border: 1px solid #4b5563;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}
.tunnel-choice:hover {
    background: #263244;
    border-color: #9ca3af;
}
.tunnel-choice.is-selected {
    background: rgba(248, 113, 113, 0.14);
    border-color: #f87171;
    box-shadow: inset 0 0 0 1px #f87171, 0 0 0 3px rgba(248, 113, 113, 0.15);
}
.tunnel-choice.is-selected:hover {
    background: rgba(248, 113, 113, 0.18);
}
.tunnel-choice-check {
    position: absolute;
    top: -7px;
    right: -7px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #f87171;
    color: #111827;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.tunnel-choice-check.hidden { display: none !important; }

/* Périodes de facturation */
.billing-radio {
    background: #1f2937;
    border-color: #4b5563;
    gap: 12px;
}
.billing-radio:hover {
    background: #263244;
    border-color: #9ca3af;
}
.billing-radio.active {
    background: rgba(248, 113, 113, 0.14);
    border-color: #f87171;
    box-shadow: inset 0 0 0 1px #f87171, 0 0 0 3px rgba(248, 113, 113, 0.15);
}
.billing-radio.active:hover {
    background: rgba(248, 113, 113, 0.18);
}
.billing-radio-dot {
    width: 18px;
    height: 18px;
    border-color: #9ca3af;
}
.billing-radio.active .billing-radio-dot::after {
    top: 2px;
    left: 2px;
    width: 10px;
    height: 10px;
}
.billing-radio .billing-radio-label {
    color: #f3f4f6;
}