.sammi-preview-pay-prompt {
    position: fixed;
    bottom: calc(100px + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    z-index: 99;
    width: max-content;
    max-width: calc(100vw - 32px);
    text-align: center;
}

.sammi-preview-pay-prompt:not([hidden]) {
    animation: sammi-preview-slide-in 0.5s ease-out both;
}

.sammi-preview-pay-prompt .sammi-preview-membership-button {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
    min-width: min(200px, 100%);
    max-width: 100%;
    padding: 12px 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 40px;
    background: linear-gradient(45deg, #ff4d4d, #ff6b6b);
    color: #fff;
    box-shadow: 0 6px 20px rgba(255, 77, 77, 0.3);
    font-size: 16px;
    font-weight: 800;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sammi-preview-pay-prompt .sammi-preview-membership-button:hover {
    color: #fff;
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 12px 30px rgba(255, 77, 77, 0.4);
    background: linear-gradient(45deg, #ff3333, #ff5252);
}

.sammi-preview-pay-prompt .sammi-preview-membership-button:focus-visible {
    outline: 2px solid var(--focus-color, #ff6b6b);
    outline-offset: 4px;
}

.sammi-preview-pay-prompt .sammi-preview-button-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    min-width: 0;
}

.sammi-preview-pay-prompt .sammi-preview-button-text {
    max-width: 100%;
    overflow-wrap: anywhere;
}

.sammi-preview-pay-prompt .sammi-preview-price-tag {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    position: relative;
    gap: 10px;
    max-width: 100%;
    margin-top: 18px;
    padding: 3px 10px;
    border-radius: 16px;
    background: rgba(0, 0, 0, 0.2);
}

.sammi-preview-pay-prompt .sammi-preview-original-price {
    color: rgba(255, 255, 255, 0.9);
    opacity: 0.7;
    font-size: 13px;
    text-decoration: line-through;
}

.sammi-preview-pay-prompt .sammi-preview-discount-price {
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.sammi-preview-pay-prompt .sammi-preview-save-amount {
    position: absolute;
    top: -16px;
    right: -8px;
    padding: 1px 6px;
    border-radius: 10px;
    background: #ffd700;
    color: #f33;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    animation: sammi-preview-wiggle 2s infinite;
}

.sammi-preview-pay-prompt .sammi-preview-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.7);
    pointer-events: none;
    transform: scale(0);
    animation: sammi-preview-ripple 0.6s linear;
}

@keyframes sammi-preview-slide-in {
    from { opacity: 0; transform: translate(-50%, 20px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

@keyframes sammi-preview-wiggle {
    0%, 100% { transform: rotate(10deg); }
    50% { transform: rotate(-5deg); }
}

@keyframes sammi-preview-ripple {
    to { transform: scale(4); opacity: 0; }
}

@media (max-width: 768px) {
    .sammi-preview-pay-prompt .sammi-preview-membership-button {
        min-width: min(180px, 100%);
    }

    .sammi-preview-pay-prompt .sammi-preview-price-tag {
        margin-top: 22px;
    }

    .sammi-preview-pay-prompt .sammi-preview-membership-button:hover {
        transform: translateY(-2px) scale(1.01);
    }
}

@media (prefers-reduced-motion: reduce) {
    .sammi-preview-pay-prompt:not([hidden]),
    .sammi-preview-pay-prompt .sammi-preview-save-amount,
    .sammi-preview-pay-prompt .sammi-preview-ripple {
        animation: none;
    }

    .sammi-preview-pay-prompt .sammi-preview-membership-button {
        transition: none;
    }

    .sammi-preview-pay-prompt .sammi-preview-membership-button:hover {
        transform: none;
    }
}

.sammi-preview-pay-prompt[hidden] {
    display: none;
}