.gift-shirt-choice {
    margin: 22px 0;
    padding: 18px;
    border: 1px solid rgba(20, 154, 118, .3);
    border-radius: 18px;
    background: rgba(20, 154, 118, .08);
    text-align: left;
}
.gift-shirt-choice__heading { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.gift-shirt-choice__icon {
    display: inline-flex; flex: 0 0 38px; width: 38px; height: 38px; align-items: center; justify-content: center;
    border-radius: 12px; background: #168b70; color: #fff; font-size: 18px;
}
.gift-shirt-choice__heading h5 { margin: 0; color: #183b45; font-size: 16px; font-weight: 800; }
.gift-shirt-choice__heading p { margin: 4px 0 0; color: #718096; font-size: 13px; }
.gift-shirt-choice__sizes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.gift-shirt-size { margin: 0; cursor: pointer; }
.gift-shirt-size input { position: absolute; opacity: 0; pointer-events: none; }
.gift-shirt-size span {
    display: flex; min-height: 70px; flex-direction: column; align-items: center; justify-content: center;
    padding: 10px; border: 1px solid rgba(113, 128, 150, .35); border-radius: 14px;
    background: rgba(255,255,255,.92); color: #183b45; text-align: center; transition: .18s ease;
}
.gift-shirt-size strong { font-size: 17px; }
.gift-shirt-size small { margin-top: 3px; color: #718096; font-size: 11px; }
.gift-shirt-size input:checked + span { border-color: #168b70; background: #e5f7f1; box-shadow: 0 0 0 3px rgba(22,139,112,.13); }
.gift-shirt-size input:focus-visible + span { outline: 3px solid rgba(22,139,112,.25); outline-offset: 2px; }
.gift-shirt-choice__hint { display: block; margin-top: 10px; color: #718096; }

/* Javni online upis koristi tamnu, crveno naglasenu temu. */
.registration-card .gift-shirt-choice {
    border-color: rgba(255, 255, 255, .16);
    background: linear-gradient(145deg, rgba(255, 255, 255, .065), rgba(227, 0, 28, .075));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04);
}
.registration-card .gift-shirt-choice__icon {
    background: linear-gradient(135deg, #f21f3d, #c90018);
    box-shadow: 0 8px 20px rgba(227, 0, 28, .24);
}
.registration-card .gift-shirt-choice__heading h5 {
    color: #fff;
}
.registration-card .gift-shirt-choice__heading p {
    color: #dbe2ec;
}
.registration-card .gift-shirt-choice__hint {
    color: #d1d9e5;
}
.registration-card .gift-shirt-size span {
    border-color: rgba(255, 255, 255, .18);
    background: rgba(14, 16, 21, .88);
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .035);
}
.registration-card .gift-shirt-size small {
    color: #c8d1dd;
}
.registration-card .gift-shirt-size:hover span {
    border-color: rgba(242, 31, 61, .68);
    background: #1b1d24;
    transform: translateY(-1px);
}
.registration-card .gift-shirt-size input:checked + span {
    border-color: #f21f3d;
    background: linear-gradient(145deg, rgba(242, 31, 61, .22), rgba(14, 16, 21, .96));
    box-shadow: 0 0 0 3px rgba(242, 31, 61, .18), 0 10px 24px rgba(0, 0, 0, .18);
}
.registration-card .gift-shirt-size input:focus-visible + span {
    outline-color: rgba(242, 31, 61, .42);
}

.tkd-app-shell .gift-shirt-choice { color: #fff; background: rgba(25,195,125,.1); }
.tkd-app-shell .gift-shirt-choice__heading h5 { color: #fff; }
.tkd-app-shell .gift-shirt-choice__heading p,
.tkd-app-shell .gift-shirt-choice__hint { color: #d2d8df; }
.tkd-app-shell .gift-shirt-size span { border-color: #3b4450; background: #12151b; color: #fff; }
.tkd-app-shell .gift-shirt-size small { color: #bac2cb; }
.tkd-app-shell .gift-shirt-size input:checked + span { border-color: #19c37d; background: rgba(25,195,125,.16); }
@media (max-width: 575px) { .gift-shirt-choice__sizes { grid-template-columns: 1fr; } }