/* Feishu Modal Styles */
.feishu-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.feishu-modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.feishu-modal {
    background: #fff;
    width: 90%;
    max-width: 400px;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(20px);
    transition: transform 0.3s ease;
    text-align: center;
}

.feishu-modal-overlay.show .feishu-modal {
    transform: translateY(0);
}

.feishu-modal-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.feishu-modal-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 12px;
}

.feishu-modal-message {
    font-size: 15px;
    color: #666;
    margin-bottom: 24px;
    line-height: 1.5;
}

.feishu-modal-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.feishu-modal-btn {
    padding: 10px 24px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    border: none;
    transition: background 0.2s;
    flex: 1;
    max-width: 120px;
}

.feishu-modal-btn.cancel {
    background: #f5f5f5;
    color: #666;
}

.feishu-modal-btn.cancel:hover {
    background: #e0e0e0;
}

.feishu-modal-btn.confirm {
    background: #ff5e52;
    color: #fff;
}

.feishu-modal-btn.confirm:hover {
    background: #ff4639;
}