/* 认证弹窗 */
.auth-container {
    background: white;
    min-width: 400px;
    padding: 30px;
    border-radius: 8px;
    position: relative;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.auth-tabs {
    display: flex;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 20px;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: none;
    cursor: pointer;
    font-weight: 500;
    color: #6b7280;
    border-bottom: 2px solid transparent;
}

.tab-btn.active {
    color: #3b82f6;
    border-bottom-color: #3b82f6;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

/* 认证表单中的 form-group 额外的 input 样式 */
.auth-container .form-group input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    font-size: 14px;
}

.auth-container .form-group input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.auth-container .modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #9ca3af;
}