.upo-dialog-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.38);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 13000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease;
}

.upo-dialog-backdrop.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.upo-dialog {
    width: min(100%, 480px);
    background: #ffffff;
    color: #18191c;
    border: 1px solid rgba(24, 25, 28, 0.08);
    border-radius: 20px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
    padding: 22px;
    transform: translateY(10px) scale(0.98);
    transition: transform 0.18s ease;
}

.upo-dialog-backdrop.is-visible .upo-dialog {
    transform: translateY(0) scale(1);
}

.upo-dialog__header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.upo-dialog__icon {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    font-size: 1.15rem;
}

.upo-dialog__icon--warning {
    background: #fff7e8;
    color: #b26a00;
}

.upo-dialog__icon--danger {
    background: #fef2f2;
    color: #dc2626;
}

.upo-dialog__icon--info {
    background: #eef4ff;
    color: #1d4ed8;
}

.upo-dialog__copy {
    display: grid;
    gap: 6px;
    min-width: 0;
}

.upo-dialog__title {
    font-size: 1.02rem;
    font-weight: 700;
    line-height: 1.35;
    color: #18191c;
}

.upo-dialog__message {
    font-size: 0.95rem;
    line-height: 1.55;
    color: #4b5563;
}

.upo-dialog__actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 22px;
    flex-wrap: wrap;
}

.upo-dialog__button {
    min-width: 112px;
    min-height: 44px;
    border-radius: 999px;
    border: 1px solid #d9dde3;
    background: #ffffff;
    color: #18191c;
    padding: 0 18px;
    font-weight: 700;
    cursor: pointer;
}

.upo-dialog__button:hover {
    background: #f8fafc;
}

.upo-dialog__button--ghost {
    min-width: 48px;
    padding: 0 16px;
}

.upo-dialog__button--primary {
    background: #18191c;
    border-color: #18191c;
    color: #ffffff;
}

.upo-dialog__button--primary:hover {
    background: #000000;
    border-color: #000000;
}

@media (max-width: 640px) {
    .upo-dialog-backdrop {
        padding: 16px;
        align-items: flex-end;
    }

    .upo-dialog {
        width: 100%;
        border-radius: 18px;
    }

    .upo-dialog__actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .upo-dialog__button {
        width: 100%;
    }
}