/* Series Round Completion Notification Banner */
.series-round-completion-banner {
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 420px;
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(30, 64, 175, 0.3);
    z-index: 1000;
    transform: translateX(450px);
    opacity: 0;
    transition: all 0.3s ease-out;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.series-round-completion-banner.show {
    transform: translateX(0);
    opacity: 1;
}

.series-round-completion-banner .banner-content {
    display: flex;
    align-items: flex-start;
    padding: 16px;
    gap: 12px;
}

.series-round-completion-banner .banner-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fbbf24;
}

.series-round-completion-banner .banner-text {
    flex: 1;
    min-width: 0;
}

.series-round-completion-banner .banner-text h4 {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.series-round-completion-banner .banner-text h4 i {
    color: #fbbf24;
    font-size: 16px;
}

.series-round-completion-banner .banner-text p,
.series-round-completion-banner .banner-text div {
    margin: 0;
    font-size: 14px;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.9);
}

.series-round-completion-banner .completed-rounds-list {
    margin: 8px 0 0 0;
    padding-left: 16px;
    list-style-type: disc;
}

.series-round-completion-banner .completed-rounds-list li {
    margin: 4px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.series-round-completion-banner .completed-rounds-list strong {
    color: #ffffff;
}

.series-round-completion-banner .banner-actions {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.series-round-completion-banner .btn-banner-dismiss {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: rgba(255, 255, 255, 0.7);
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 12px;
}

.series-round-completion-banner .btn-banner-dismiss:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

.series-round-completion-banner #series-round-banner-links {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 8px;
}

.series-round-completion-banner .btn-banner-primary,
.series-round-completion-banner .btn-banner-secondary {
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    transition: all 0.2s ease;
    white-space: nowrap;
    display: inline-block;
}

.series-round-completion-banner .btn-banner-primary {
    background: #ffffff;
    color: #1e40af;
    border: 1px solid transparent;
}

.series-round-completion-banner .btn-banner-primary:hover {
    background: #f8fafc;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.series-round-completion-banner .btn-banner-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.series-round-completion-banner .btn-banner-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .series-round-completion-banner {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
        transform: translateY(-100px);
    }
    
    .series-round-completion-banner.show {
        transform: translateY(0);
    }
    
    .series-round-completion-banner .banner-content {
        padding: 14px;
        gap: 10px;
    }
    
    .series-round-completion-banner .banner-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
    
    .series-round-completion-banner .banner-text h4 {
        font-size: 15px;
    }
    
    .series-round-completion-banner .banner-text p,
    .series-round-completion-banner .banner-text div {
        font-size: 13px;
    }
    
    .series-round-completion-banner .completed-rounds-list li {
        font-size: 13px;
    }
    
    .series-round-completion-banner #series-round-banner-links {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 4px;
    }
    
    .series-round-completion-banner .btn-banner-primary,
    .series-round-completion-banner .btn-banner-secondary {
        padding: 6px 12px;
        font-size: 12px;
    }
}

/* Animation for multiple banners (if both challenge and series notifications show) */
.challenge-completion-banner.show ~ .series-round-completion-banner {
    top: 140px; /* Position below challenge banner */
}

@media (max-width: 768px) {
    .challenge-completion-banner.show ~ .series-round-completion-banner {
        top: 120px; /* Adjust for mobile */
    }
}

/* Dark mode temporarily disabled to keep a consistent light theme site-wide */