.coins-topup-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000000;
    padding: 20px;
}

.coins-topup-overlay.active {
    display: flex;
}

body.coins-topup-open {
    overflow: hidden !important;
}

.coins-topup-modal {
    width: 100%;
    max-width: 420px;
    background: #0c1016;
    color: #f5f7ff;
    border: 1px solid rgba(var(--accent-rgb), 0.15);
    border-radius: 16px;
    padding: 18px 18px 16px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
    position: relative;
}

.coins-topup-modal--cabinet {
    max-height: min(720px, calc(100vh - 40px));
    overflow-y: auto;
}

.coins-topup-modal__close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid rgba(var(--accent-rgb), 0.12);
    background: rgba(12, 16, 22, 0.9);
    color: #f5f7ff;
    cursor: pointer;
}

.coins-topup-modal__close:hover {
    border-color: rgba(var(--accent-rgb), 0.35);
}

.coins-topup-modal__title {
    margin: 0 0 6px;
    font-size: 18px;
    font-weight: 700;
}

.coins-topup-modal__subtitle {
    margin: 0 0 14px;
    color: rgba(245, 247, 255, 0.7);
    font-size: 14px;
}

.coins-topup-modal__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.coins-topup-amount {
    display: flex;
    flex-direction: column;
    gap: 2px;
    align-items: center;
    justify-content: center;
    padding: 12px 10px;
    border-radius: 14px;
    border: 1px solid rgba(var(--accent-rgb), 0.15);
    background: rgba(12, 16, 22, 0.9);
    color: #f5f7ff;
    cursor: pointer;
    transition: transform 0.18s ease-out, box-shadow 0.18s ease-out, border-color 0.18s ease-out;
}

.coins-topup-amount:hover:not(:disabled) {
    transform: translateY(-2px);
    border-color: rgba(var(--accent-rgb), 0.45);
    box-shadow: 0 0 18px rgba(var(--accent-rgb), 0.12);
}

.coins-topup-amount:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.coins-topup-amount__value {
    font-size: 18px;
    font-weight: 800;
    color: #b4ff3b;
    line-height: 1.1;
}

.coins-topup-amount__hint {
    font-size: 12px;
    color: rgba(245, 247, 255, 0.65);
}

.coins-topup-modal__message {
    margin-top: 12px;
    font-size: 13px;
    color: rgba(245, 247, 255, 0.75);
    min-height: 18px;
}

.coins-topup-modal__message.is-error {
    color: #ff6b6b;
}