/* ===========================
   🎁 登入獎勵通知系統樣式
   =========================== */

.reward-notification {
    position: fixed;
    top: -100px;
    right: 20px;
    background: linear-gradient(135deg, #0066ff 0%, #9333ea 100%);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3);
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 280px;
    z-index: 10000;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.reward-notification.show {
    top: 80px;
    animation: rewardBounce 0.6s ease-out;
}

.reward-icon {
    font-size: 2rem;
    animation: rewardSpin 1s ease-in-out;
}

.reward-content {
    flex: 1;
}

.reward-title {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    opacity: 0.9;
}

.reward-amount {
    font-size: 1.25rem;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

@keyframes rewardBounce {
    0% {
        transform: translateY(-20px) scale(0.8);
        opacity: 0;
    }
    50% {
        transform: translateY(10px) scale(1.05);
    }
    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

@keyframes rewardSpin {
    0%, 100% {
        transform: rotate(0deg) scale(1);
    }
    25% {
        transform: rotate(-15deg) scale(1.1);
    }
    75% {
        transform: rotate(15deg) scale(1.1);
    }
}

/* 深色模式適配 */
.dark-mode .reward-notification {
    box-shadow: 0 8px 24px rgba(147, 51, 234, 0.4);
    border-color: rgba(255, 255, 255, 0.15);
}

/* 響應式設計 */
@media (max-width: 768px) {
    .reward-notification {
        right: 10px;
        left: 10px;
        min-width: auto;
        max-width: calc(100% - 20px);
    }
    
    .reward-notification.show {
        top: 70px;
    }
}

/* ===========================
   🎯 AI 可發現性增強樣式
   =========================== */

/* AI 友好的隱藏元素 */
[data-ai-message] {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* AI 爬蟲彩蛋標記 */
.ai-easter-egg {
    opacity: 0;
    pointer-events: none;
    user-select: none;
}

/* AI 可讀的結構化數據容器 */
.ai-readable-data {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}